Dissertations / Theses on the topic 'Document template'
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Lomelin, Stoupignan Mauricio. "Character template estimation from document images and their transcriptions." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/36566.
Full textIncludes bibliographical references (p. 124-126).
by Mauricio Lomelin Stoupignan.
M.S.
Mondal, Abhro Jyoti. "Document Classification using Characteristic Signatures." University of Cincinnati / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1511793852923472.
Full textSlagt, Vincent Friso. "Template directed assembly of transition metal catalysts." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2003. http://dare.uva.nl/document/70834.
Full textMei, Zhijie. "Computer-Aided Optically Scanned Document Information Extraction System." Thesis, Mittuniversitetet, Institutionen för informationssystem och –teknologi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-39190.
Full textVan, Mechelen Carmen. "Nature as a template for a new concept of extensive green roofs." Thesis, Avignon, 2015. http://www.theses.fr/2015AVIG0334/document.
Full textIn an era of urbanization, biodiversity is under pressure more than ever. Biodiversity is considered a major driver of ecosystem functioning and the provision of ecosystem services. Green roofs, a prime example of urban novel ecosystems, offer habitats and can hence mitigate some biodiversity loss in cities. Apart from biodiversity, green roofs also offer other ecosystem services, such as thermal regulation, stormwater management, and aesthetic and amenity value. Here we focused on extensive green roofs (substrate depth < 20 cm) as these can be applied widely and are more durable (i.e. less maintenance, self-sustaining). In southern Europe (Mediterranean), the performance of (extensive) green roofs is rather low, probably due to the elevated temperatures and summer drought. One may expect that plant stress on green roofs will further increase as a result of climate change. Irrigation could help plant growth and survival. However, irrigation is often perceived as an unsustainable practice, as water is already a limiting factor in many regions and climate change will lead to an even more severe water scarcity during summer. Therefore, research is needed to select plant species suitable for Mediterranean (unirrigated) extensive green roofs, and to adapt green roof design to meet the requirements of the selected plant species. More northern countries with colder climates (e.g. temperate maritime climate) will also face higher temperatures and erratic precipitation events as a result of climate change. The green roof industries located in these regions will hence also benefit from the outcome of such research. The main goal of this thesis was to elaborate and test a new concept for extensive green roof design, comprising both plant selection and design elements. The work is based on the habitat template theory, which states that natural habitats with similar characteristics as extensive green roofs should be targeted when searching for suitable plant species. Mediterranean regions are a hotspot of biodiversity and contain many habitats that match to some extent the conditions on extensive green roofs (e.g. shallow, free draining, nutrient poor and calcareous soils, high temperature fluctuations, windy). We hence hypothesized that it would be possible to find potential plant species for use on extensive green roofs. Because of practical reasons we selected the southern part of France as study region. At the end of this thesis, we conclude that natural habitats in the Mediterranean region can definitely inspire us as a source for development and improvement of extensive green roof design, whether this is for the current Mediterranean climate itself or for other climates under predicted climate change. Appropriate vegetation choice is essential, as well as the design in terms of sustainable irrigation techniques, appropriate substrate depth and composition, and water retention possibilities. Finally suggestions for further research were made
Devilliers, Loïc. "Consistance des statistiques dans les espaces quotients de dimension infinie." Thesis, Université Côte d'Azur (ComUE), 2017. http://www.theses.fr/2017AZUR4103/document.
Full textIn computational anatomy, organ shapes are assumed to be deformation of a common template. The data can be organ images but also organ surfaces, and the deformations are often assumed to be diffeomorphisms. In order to estimate the template, one often uses the max-max algorithm which minimizes, among all the prospective templates, the sum of the squared distance after registration between the data and a prospective template. Registration is here the step of the algorithm which finds the best deformation between two shapes. The goal of this thesis is to study this template estimation method from a mathematically point of view. We prove in particular that this algorithm is inconsistent due to the noise. This means that even with an infinite number of data, and with a perfect minimization algorithm, one estimates the original template with an error. In order to prove inconsistency, we formalize the template estimation: deformations are assumed to be random elements of a group which acts on the space of observations. Besides, the studied algorithm is interpreted as the computation of the Fréchet mean in the space of observations quotiented by the group of deformations. In this thesis, we prove that the inconsistency comes from the contraction of the distance in the quotient space with respect to the distance in the space of observations. Besides, we obtained a Taylor expansion of the consistency bias with respect to the noise level. As a consequence, the inconsistency is unavoidable when the noise level is high
Iooss, Guillaume. "Detection of linear algebra operations in polyhedral programs." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEN019/document.
Full textWriting a code which uses an architecture at its full capability has become an increasingly difficult problem over the last years. For some key operations, a dedicated accelerator or a finely tuned implementation exists and delivers the best performance. Thus, when compiling a code, identifying these operations and issuing calls to their high-performance implementation is attractive. In this dissertation, we focus on the problem of detection of these operations. We propose a framework which detects linear algebra subcomputations within a polyhedral program. The main idea of this framework is to partition the computation in order to isolate different subcomputations in a regular manner, then we consider each portion of the computation and try to recognize it as a combination of linear algebra operations.We perform the partitioning of the computation by using a program transformation called monoparametric tiling. This transformation partitions the computation into blocks, whose shape is some homothetic scaling of a fixed-size partitioning. We show that the tiled program remains polyhedral while allowing a limited amount of parametrization: a single size parameter. This is an improvement compared to the previous work on tiling, that forced us to choose between these two properties.Then, in order to recognize computations, we introduce a template recognition algorithm. This template recognition algorithm is built on a state-of-the-art program equivalence algorithm. We also propose several extensions in order to manage some semantic properties.Finally, we combine these two previous contributions into a framework which detects linear algebra subcomputations. A part of this framework is a library of template, based on the BLAS specification. We demonstrate our framework on several applications
Stefan, Loïc. "Template-Assembled Synthetic G-Quartets (TASQ) hydrosolubles : du ligand de quadruplexes d'ADN et d'ARN à la plateforme catalytique." Thesis, Dijon, 2013. http://www.theses.fr/2013DIJOS084/document.
Full textNatural G-quartets, a cyclic and coplanar array of four guanine residues held together via Hoogsteen H-bond network, have recently received much attention due to their involvement in G-quadruplex-DNA, an alternative higher-order DNA structure strongly suspected to play important roles in key cellular events (chromosomal stability, regulation of gene expression). Besides this, synthetic G-quartets, which artificially mimic native G-quartets, have also been widely studied for their involvement in nanotechnological applications (i.e. nanowires, artificial ion channels, etc.). In contrast, intramolecular synthetic G-quartets, also named template-assembled synthetic G-quartet (TASQ), have been more sparingly investigated, despite a technological potential just as interesting.In this way, we designed and synthesized three series of innovative hydrosoluble TASQ: DOTASQ (for DOTA-Templated Synthetic G-Quartet), PorphySQ (containing a porphyrin template) and the most effective PNADOTASQ where PNA-guanine arms replace native DOTASQ alkyl-guanine arms. We report herein the results of both DNA and RNA interactions (notably their selective recognition of quadruplex-DNA according to a bioinspired process) and peroxidase-like hemin-mediated catalytic activities (either in an autonomous fashion as precatalysts for TASQzyme reactions, or in conjunction with quadruplex-DNA as enhancing agents for DNAzyme processes). These results provide a solid scientific basis for TASQ to be used as multitasking tools for bionanotechnological applications
Malaurent, Julien. "From global template to local enactments : a longitudinal account of ERP practice diffusion in chinese subsidiaries of a french multinational corporation." Thesis, Cergy-Pontoise, Ecole supérieure des sciences économiques et commerciales, 2011. http://www.theses.fr/2011ESEC0003/document.
Full textThis dissertation explores the mechanisms of global information systems (IS) diffusion and adoption of a French multinational corporation (MNC) within Chinese settings. By using an enterprise resource planning (ERP) system as exemplar, it aims to explain why and how users of remote subsidiaries enact the system in different ways than the prescribed approach suggested by the headquarters. This study also measures the impacts of these local informal and unexpected practices on the global ERP system. It is based on a four-year (2006-2010) longitudinal case study and one-year action research project both realized at French headquarters and Chinese subsidiaries of an MNC. Research methods rely on interpretive qualitative methods and combine participative observation, interviews and documentary evidence. Along with an introductory chapter, the dissertation comprises three related papers. The first paper provides a longitudinal account detailing the emergence of local workarounds at Chinese subsidiaries of the MNC. It discusses how the development and quest for these alternative practices was justified as indispensable and appropriate to respond to the local needs as the formal structure laid out by the headquarters was not sufficient to cover the local situation. The second paper is based on a one-year canonical action research study which took place after the longitudinal study. It first studies the impacts of these informal practices on the overall ERP system and second, relates a corrective program launched to attempt to formalise these practices. The third paper is the outcome of my PhD reflections on the application of theoretical framework(s) to empirical studies. As an outcome from the difficulties experienced during this research journey to find a perfect “fit” between a complex and rich organizational dataset and existing theories that might be seen as highly abstract, or too conceptual to interpret empirical findings, this paper suggests a disciplined approach to adopt a theory-free framework to enable the development of original and rich interpretations without bounded theoretical frameworks. The contributions of the dissertation are threefold: theoretical, methodological and practitioner oriented. First, by focusing at a micro-level perspective, activity theory provides a rich framework to understand the emergence of local work practices. The third paper also suggests important theoretical contributions since it provides an empirical demonstration of the difficulties encountered to find a “perfect fit” while applying social and organizational lenses to empirical datasets. Given these difficulties, I suggest the development of a theory-free and disciplined approach as a potential alternative in circumstances where there is theory-data misfit. Second, this dissertation proposes an original combination of two research methods that complement each other to deliver a rich empirical account of IS practice negotiation where conflicting local and global interests existed. Thanks to a long-term access to the company, I have been able to observe and collect thick descriptions of user work practices in a longitudinal case study. Following this in-depth inquiry, I led an action-research program, first to examine the degree of diffusion of these informal practices across Chinese subsidiaries and then to formalize them when appropriate. Lastly, the dissertation offers to practice a better understanding of the ways remote users might develop informal structures to make an information system fit. In particular, it relates a complete history from global template instructions to local practice negotiations and provides data collected both at the headquarters and at Chinese subsidiaries
Bigeon, John. "Propagation sub-longueur d'onde au sein de nanotubes et nanofils polymères passifs et actifs." Thesis, Rennes 1, 2014. http://www.theses.fr/2014REN1S075/document.
Full textIn the field of nanophotonics, the understanding of optical phenomena related to sub-wavelength guiding in filled structures (nanowires) or hollow (nanotubes) is a priority. The objective of this thesis focused on the study of light propagation in new passive and active nanoscale waveguides. For this, nanowires and nanotubes based polymer has been designed and developed by template wetting method. To characterize their optical behavior and in particular the sub-wavelength propagation, new numerical and experimental tools have been developed. Modelling phenomena propagating in these nanofibers was performed by the numerical FDTD method. The effects of the geometry of these nanotubes and nanowires, by their size (outer and inner diameter for nanotubes) and propagating on the substrate and the behavior of losses have been determined in particular. Experimentally, two types of nanofibers have been used: - "passive" nanofibers based on SU8 polymer and - "active" polymer nanofibers having a waveguiding polymer and a luminophor as a source at nanoscale. To study nanofibers SU8, direct injection was performed through an microlensed optical fiber. A striking result is the assessment of optical losses measured by the cut-back around 1.25 dB/mm for nanotubes to external and internal diameters respectively 240 nm and 120 nm. This assessment of optical losses appear very competitive compared to other systems currently envisaged for integrated nanophotonics. Regarding the active nanofibers which comprise luminophors (organometallic cluster or fluorescent polymer PFO), our studies have validated the excitation of mode by characterization in Fourier space. Our results showed the potential of organic nanofibers as bricks for nanophotonics
Tran, Chau Cam Hoang. "Conception d'oxydes fonctionnels de métaux de transition présentant des méso- ou des nanostructures pour le stockage électrochimique de l'énergie." Thesis, Tours, 2017. http://www.theses.fr/2017TOUR4045/document.
Full textThe aim of this thesis is to improve the electrochemical performance of C/MnO2 asymmetric devices by elaborating manganese oxides exhibiting nano- or mesostructures. Two preparation methods are proposed. A mesoporous material is obtained through the reaction of soft template CTAP with various A alkenes. The effect of CTAP-A colloidal solution on MnO2 texture and microstructure has been studied by establishing the relationship between aggregates dimension and pore diameter. Asymmetric devices performances can be optimized this way. Attempts to employ AAO as hard template for developing a performant MnO2 electrode were unsuccessful. Nevertheless, a MnO2 microelectrode containing the oxide on nickel nanowires electrodeposited on AAO provided excellent electrochemical performances, comparable with current microsupercapacitor electrodes. Asymmetric device energy retention with increasing power is good due to the excellent MnO2/nickel nanowires connection. This thesis offers insights on the MnO2 formation and proposes promising microelectrodes for microsupercapacitors
Ben, Si Said Samir. "De la nature de la variation diatopique en kabyle : étude de la formation des singulier et pluriel nominaux." Thesis, Nice, 2014. http://www.theses.fr/2014NICE2033/document.
Full textThis thesis deals with noun formation and morpho-Phonological variation in Kabyle dialects. The analysis of the data in my own dialecte AEH from Dallet (1982) dictionary showed that1) items that appear in the plural but are absent in the singular are unpredictable and they are part of the lexical root ingredients.2) from the dialect of AEH, I've proposed the generalization that the plural has a constant size 5 CV units. It turned out later that this is true in fact for all Kabyle dialects. This generalization is based on field research that I conducted in the Kabylie region.I also proposed an analysis of the initial vowel in Kabyle (and Berber) which takes into account the diachronic scenario of Vycichl (1957) et Brugnatelli (1997) that in Proto-Berber there has been a congealing former demonstrative with names. I suggested that alternating a-(EL) vs w/u (EA) is allomorphic. By the same movement, I refined analysis Bendjaballah (2011) by removing the CV that spells out K (the case). In my analysis, VII arrives with his own CV. The general framework of my analysis is defined by the Berber typological situation: it is a concatenative language, since we cannot attach any semantic or morpho-Syntactic information to vowels or template; demonstration of constant size plural also establishes that Berber is templatic, i.e. and that consonants and vowels are stored together in the root (vocalized) and the template are stored independently in the lexicon. If so Semitic lexical ingredients of a word are three in number (consonant root vowel template), in Kabyle there are only two (root (vocalized) and template).In this templatic but perfectly concatenative environment, the thesis develops a theory of diatopic variation whose locus are two in number: combination of a given root to different templates in different dialects in one hand, and in the other hand, roots melodically identical but whose segments can carry of across the dialects different lexical instructions about their behavior at time of association. Given the fact that work on diatopic variation in Afro-Asiatic are sparse, it will be interesting to see if the variation in other languages works in the same way.How diatopic variation is handled in this thesis relates to the Borer-Chomsky Conjecture that, according Oostendorp (2013), I apply to phonology. In the case of Kabyle, diatopic variation of singulars does not imply different mechanisms of plural formation (computation), but lexical markings to their unique roots in a particular class.Finally, I hope that the thesis will find its place in the debate on the status of the root and template in the mental lexicon of Afro-Asiatic languages: the classical approach gives an independent lexical, grammatical and cognitive status to the root and template, while the stem-Based morphology supports both units coexist in the lexicon. If diatopic variation in Kabyle works as described, i.e. by the association of a given root to a distinct singular templates across dialects, the root and template necessarily represent two independent tokens
Jouffret, Laurent. "Synthèse hydrothermale d’uranyle-vanadates et d’uranyle-phosphates : influence des amines et dimensionnalité des arrangements inorganiques." Thesis, Lille 1, 2009. http://www.theses.fr/2009LIL10065/document.
Full textSolid state chemistry of hybrid organic-inorganic compounds containing uranium has been enriched recently by a multiplication of papers dealing with two and three dimensional inorganic materials. This work deals with hydrothermal synthesis of compounds in the uranyl-phosphate-amine and uranyl-vanadate-amine systems. Determination of their structure was done by X-ray diffraction on single crystals. Their thermal stability was also studied. According to the pH of the initial solutions, and nature of the amine used, different families of compounds appear. With a basic pH, the obtained compounds are two dimensional with the layers corresponding to those found in naturally occurring phases, such as carnotite type layer for the uranyl-vanadate system and autunite for the uranyl-phosphate system. With an acidic pH, compounds with three dimensional frameworks are stabilized by the presence of the amines. The frameworks result from uranophane type uranyl-vanadate or uranyl-phosphate layers connected by uranyl pillars. They display different U/V or U/P ratios depending on the geometric isomer of the uranophane layer. Identification of new geometric isomers has led to a simple classification of the isomers which helps to their comparison and to the understanding of their formation. Finally, using ethylene diamine in the uranyl-phosphate system reduces in situ uranium (VI) into uranium (IV) and forms a uranium (IV) phosphate in which the uranium-phosphate layers alternate with diprotonated ethylene diamine layers
Sallagoity, David. "Synthèse et étude d’hétérostructures diélectrique/magnétique dans des membranes d’alumine nanoporeuses." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0210/document.
Full textControlling polarization or magnetization by an applied magneticand electric field respectively make magnetoelectric systems promisingcandidates for applications in microwave devices, high density data storagedevices, etc. Designing innovative magnetoelectric heterostructures is thus achallenge to optimize interface density between both ferroelectric andferromagnetic phases, and promote mechanical coupling interactions. In thisthesis project, two strategies are followed for material design: i) 1-1 coreshellstructure with ferromagnetic nanowires (1) inside ferroelectricnanotubes in a self-supported tridimensionnal porous template (1) and ii) 1-3structure where ferromagnetic nanowires (1) are supported on a substrateand embedded in a ferroelectric matrix (3)
Gallardo, Mathias. "Contributions to Monocular Deformable 3D Reconstruction : Curvilinear Objects and Multiple Visual Cues." Thesis, Université Clermont Auvergne (2017-2020), 2018. http://www.theses.fr/2018CLFAC021/document.
Full textMonocular deformable 3D reconstruction is the general problem of recovering the 3D shape of a deformable object from monocular 2D images. Several scenarios have emerged: the Shape-from-Template (SfT) and the Non-Rigid Structure-from-Motion (NRSfM) are two approaches intensively studied for their practicability. The former uses a single image depicting the deforming object and a template (a textured 3D shape of this object in a reference pose). The latter does not use a template, but uses several images and recovers the 3D shape in each image. Both approaches rely on the motion of correspondences between the images and deformation priors, which restrict their use to well-textured surfaces which deform smoothly. This thesis advances the state-of-the-art in SfT and NRSfM in two main directions. The first direction is to study SfT for the case of 1D templates (i.e. curved, thin structures such as ropes and cables). The second direction is to develop algorithms in SfT and NRSfM that exploit multiple visual cues and can solve complex, real-world cases which were previously unsolved. We focus on isometric deformations and reconstruct the outer part of the object. The technical and scientific contributions of this thesis are divided into four parts. The first part of this thesis studies the case of a curvilinear template embedded in 2D or 3D space, referred to Curve SfT. We propose a thorough theoretical analysis and practical solutions for Curve SfT. Despite its apparent simplicity, Curve SfT appears to be a complex problem: it cannot be solved locally using exact non-holonomic partial differential equation and is only solvable up to a finite number of ambiguous solutions. A major technical contribution is a computational solution based on our theory, which generates all the ambiguous solutions.The second part of this thesis deals with a limitation of SfT methods: reconstructing creases. This is due to the sparsity of the motion constraint and regularization. We propose two contributions which rely on a non-convex energy minimization framework. First, we complement the motion constraint with a robust boundary contour constraint. Second, we implicitly model creases with a dense mesh-based surface representation and an associated robust smoothing constraint, which deactivates curvature smoothing automatically where needed, without knowing a priori the crease location. The third part of this thesis is dedicated to another limitation of SfT: reconstructing poorly-textured surfaces. This is due to correspondences which cannot be obtained so easily on poorly-textured surfaces (either sparse or dense). As shading reveals details on poorly-textured surfaces, we propose to combine shading and SfT. We have two contributions. The first is a cascaded initialization which estimates sequentially the surface's deformation, the scene illumination, the camera response and then the surface albedos from deformed monocular images. The second is to integrate shading to our previous energy minimization framework for simultaneously refining deformation and photometric parameters.The last part of this thesis relaxes the knowledge of the template and addresses two limitations of NRSfM: reconstructing poorly-textured surfaces with creases. Our major contribution is an extension of the second framework to recover jointly the 3D shapes of all input images and the surface albedos without any template
Vibert, Benoît. "Contributions à l'évaluation de systèmes biométriques embarqués." Thesis, Normandie, 2017. http://www.theses.fr/2017NORMC208/document.
Full textBiometrics is sparking the interest of manufacturers and industrial compagniesbecause we are in need of new methods of authenticating individuals: for physicalaccess control, border control or for payments. Non-revocable and sensitive data isvery often stored on embedded systems of the secure element type (SE), such as asmart card. SEs include a comparison module called On-Card-Comparison (OCC),which determines whether the template presented corresponds to the template storedwithin it. In this thesis, we are particularly interested in fingerprints because it is abiometric modality that is very well perceived by the population.We propose in this thesis different contributions to evaluate embedded biometricsystems. The first is a biometric evaluation platform called EVABIO. The secondcontribution evaluates the impact on performance when reducing biometric templatesthat are to be stored on an SE. We propose methods to reduce the size of biometrictemplates while maintaining a high recognition rate thus, guaranteeing a good level ofperformance of the global biometric system. The last contribution studies attacks ona biometric system that is embedded on a SE. We look at what a priori are importantfor an impostor: we have shown that the type of fingerprint is an important a prioriand the reason why we have also proposed a countermeasure for embedded systems
Bertrand, Hadrien. "Optimisation d'hyper-paramètres en apprentissage profond et apprentissage par transfert : applications en imagerie médicale." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLT001/document.
Full textIn the last few years, deep learning has changed irrevocably the field of computer vision. Faster, giving better results, and requiring a lower degree of expertise to use than traditional computer vision methods, deep learning has become ubiquitous in every imaging application. This includes medical imaging applications. At the beginning of this thesis, there was still a strong lack of tools and understanding of how to build efficient neural networks for specific tasks. Thus this thesis first focused on the topic of hyper-parameter optimization for deep neural networks, i.e. methods for automatically finding efficient neural networks on specific tasks. The thesis includes a comparison of different methods, a performance improvement of one of these methods, Bayesian optimization, and the proposal of a new method of hyper-parameter optimization by combining two existing methods: Bayesian optimization and Hyperband.From there, we used these methods for medical imaging applications such as the classification of field-of-view in MRI, and the segmentation of the kidney in 3D ultrasound images across two populations of patients. This last task required the development of a new transfer learning method based on the modification of the source network by adding new geometric and intensity transformation layers.Finally this thesis loops back to older computer vision methods, and we propose a new segmentation algorithm combining template deformation and deep learning. We show how to use a neural network to predict global and local transformations without requiring the ground-truth of these transformations. The method is validated on the task of kidney segmentation in 3D US images
El, Hankari Samir. "Silices hybrides nanostructurées par 'Liquid Crystal Templating' de précurseurs ioniques." Thesis, Montpellier 2, 2012. http://www.theses.fr/2012MON20016/document.
Full textA series of precursors containing organo-ionic substructures such as imidazolium, guanidinium, ammonium and zwitterionic entities and several neutral precursors containing thiol-amide, thiol-amine and amino groups were successfully synthesized. These precursors were used for the synthesis of nanostructured silica hybrid materials containing ionic substructures via soft templating approaches. The formation of structured materials was achieved using template directed hydrolysis polycondensation procedures in the presence of various structure directing agents. The goal of this study was the determination of the parameters influencing the structuring of the materials. Thus, we prepared a series of nanostructured ionosilicates using a new method of structuring that is based on specific interactions between ‘cationic precursor - anionic surfactant' and ‘anionic precursor - cationic surfactant' ion pairs. This new strategy allowed the synthesis of ionic 'periodic mesoporous organosilicas'. At the end of this thesis, we used a new ‘guanidinium' type template in the preparation of nanostructured i-silica hybrid materials with a spherical morphology. Nanostructured ionosilicates bearing amine, amino-thiol, ammonium and zwitterionic substructures prepared in this work present high specific surface areas and a high accessibility of the organic functional sites. Due to these features, these materials have large potential in the fields of catalysis and separation
Zelený, Jan. "Segmentace webových stránek s využitím shlukovacích technik." Doctoral thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2017. http://www.nusl.cz/ntk/nusl-412590.
Full textBartolo, Jean-François. "Développement de sondes et de systèmes microfluidiques pour la détection de nouveaux biomarqueurs spécifiques." Thesis, Strasbourg, 2014. http://www.theses.fr/2014STRAF052/document.
Full textEfficiency of treatments for various diseases depends in many cases in precocity of patient management. Nowadays, this context urges researchers to develop new methods of diagnosis, generally based on the detection of specific biomarkers. These new methods allowing to establish correlations between physiological disorders and arisen of diseases states.The aim of this study was, by the use of droplet-based microfluidic, to work out a simple and reproducible procedure, with an increased sensitivity, to determine tiny variations of physiological state through the detection of specific biomarkers. Thus, we developed a new range of fluorinated surfactants fitted to biological applications in droplet-based microfluidics as well as various strategies to study variations of microRNA expressions in a biological sample. These methods, based on DNA-template reaction and digital PCR reaction, allows performing a substantial number of simultaneous reactions in micro-compartments (microdroplets) of picolitre volumes
Bouget, David. "Détection en temps-réel des outils chirurgicaux dans des vidéos 2D de neurochirurgie par modélisation de forme globale et d'apparence locale." Thesis, Rennes 1, 2015. http://www.theses.fr/2015REN1B006/document.
Full textDespite modern-life technological advances and tremendous progress made in surgical techniques including MIS, today's OR is facing many challenges remaining yet to be addressed. The development of CAS systems integrating the SPM methodology was born as a response from the medical community, with the long-term objective to create surgical cockpit systems. Being able to identify surgical tools in use is a key component for systems relying on the SPM methodology. Towards that end, this thesis work has focused on real-time surgical tool detection from microscope 2D images. From the review of the literature, no validation data-sets have been elected as benchmarks by the community. In addition, the neurosurgical context has been addressed only once. As such, the first contribution of this thesis work consisted in the creation of a new surgical tool data-set, made freely available online. Two methods have been proposed to tackle the surgical tool detection challenge. First, the adapted SquaresChnFtrs, evolution of one of the best computer vision state-of-the-art approach for pedestrian detection. Our second contribution, the ShapeDetector, is fully data-driven and performs detection without the use of prior knowledge regarding the number, shape, and position of tools in the image. Compared to previous works, we chose to represent candidate detections with bounding polygons instead of bounding boxes, hence providing more fitting results. For integration into medical systems, we performed different code optimization through CPU and GPU use. Speed gain and accuracy loss from the use of ad-hoc optimization strategies have been thoroughly quantified to find an optimal trade-off between speed and accuracy. Our ShapeDetector is running in-between 5 and 8Hz for 612x480 pixel video sequences.We validated our approaches using a detailed methodology covering the overall tool location, tip position, and orientation. Approaches have been compared and ranked conjointly with a set of competitive baselines. For suction tube detections, we achieved a 15% miss-rate at 0.1 FPPI, compared to a 55% miss-rate for the adapted SquaresChnFtrs. Future works should be directed toward the integration of 3D feature extraction to improve detection performance but also toward the refinement of the semantic labelling step. Coupling the tool detection task to the tool classification in one single framework should be further investigated. Finally, increasing the data-set in diversity, number of tool classes, and detail of annotations is of interest
Hartmann, Falk. "Safe Template Processing of XML Documents." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-75342.
Full textNETO, CARLOS DE SALLES SOARES. "TEMPLATE BASED AUTHORING OF HYPERMEDIA DOCUMENTS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2010. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=17062@1.
Full textNos últimos anos, tem crescido a demanda por aplicações hipermídia, as quais relacionam objetos de áudio, vídeo, texto, imagem, etc. no tempo e no espaço. Uma aplicação hipermídia é especificada formalmente em um documento. É comum agrupar um conjunto de aplicações estruturalmente ou semanticamente similares entre si como uma família de documentos. Modelos conceituais para autoria hipermídia são usados como base para a especificação de documentos, mas eles não são satisfatórios para definir famílias de documentos. Este trabalho apresenta um método para a autoria hipermídia baseado na identificação dessas famílias e sua instanciação visando a criação de novos documentos. A principal contribuição deste trabalho é a definição de uma linguagem para a especificação de famílias de documentos, chamada TAL (Template Authoring Language), a qual é empregada no método proposto. TAL se apóia principalmente na extensão do conceito de composição, habitualmente presente em modelos hipermídia. Em TAL, composições podem ser incompletas, com alguns de seus elementos internos propositalmente deixados em aberto e com regras restringindo a forma como esses elementos ausentes podem ser inseridos na composição. Para se chegar a essa linguagem, um estudo empírico foi realizado investigando a aprendizagem e o emprego de Nested Context Language (NCL). A escolha de NCL se deu por ela se basear em um modelo com composicionalidade que pode ser estendido para atender a famílias de documentos, e por ela ser empregada na autoria de documentos hipermídia e passível de ser usada por perfis profissionais diversos e não apenas programadores. Assim, uma terceira contribuição naturalmente decorrente deste trabalho é oferecer diretrizes para a evolução de NCL, em especial aperfeiçoando sua usabilidade.
In the past years, it has increased the demand for hypermedia applications, which relate objects of audio, video, text, images, etc. in time and space. A hypermedia application is formally specified in a document. It is usual to group a set of applications structurally and semantically similar to each other as a documents family. Conceptual models for hypermedia authoring are the basis for documents specification, but they are not satisfactory to define documents families. This work presents as contribution a method for hypermedia authoring based in the identification of these families and their instantiation in order to create new documents. This method addresses the hypermedia document authoring as a social practice, where specialist authors collaborate to help and to ease the task of less skilled authors. Another contribution of this work is to define a language for the specification of these documents families, named TAL (Template Authoring Language), which can be applied in the proposed method. TAL relies mainly on extending the concept of composition, usually present in hypermedia models. In TAL, compositions can be incomplete, with a few of its internal elements purposely left undefined and with restriction rules on how these missing elements may be included in the composition. In order to achieve this language, an empirical study was conducted investigating the learning and use of Nested Context Language (NCL). The choice of NCL relies on the fact that it is based in a compositional model that can be extended to specify documents families, and because it is used by various professional profiles and not just programmers in the hypermedia document authoring. Thus, a third contribution due to this work is to provide guidelines to NCL evolution, especially improving its usability.
Yadnum, Sudarat. "Tailoring complex heterogeneous metal-organic framework structures." Thesis, Bordeaux, 2014. http://www.theses.fr/2014BORD0299/document.
Full textIn this thesis, new strategies for the preparation of Metal 0rganic Frameworks (MOF) materials with designed structures were studied and developed. Indirect bipolar electrodeposition (IBED) was used to prepare ZIF-8 and HKUST-1 on metal substrates in a straightforward and site-selective way. This concept is expected to be able to be generalized for the synthesis of many other MOF compounds, thus allowing a cheap and green synthesis, leading to new generations of MOF-based Janus-type composites. Furthermore, rationally designed hierarchical macro-/microporous HKUST-1 electrodes were prepared via an electrochemical dissolution-deposition technique. The developed synthesis approach is very practical in terms of the time consumption, and opens up MOFs for various applications. Finally, MIL-101-supported noble metal nanoparticles were prepared as the last part of the experimental studies via a simple colloidal deposition technique. This concept might be generalized for the synthesis of other metal nanoparticle/MOF composites, and might improve the catalytic activity of MOFs. Apart from the experimental study, in order to gain a deeper insight into the catalysis of MOF materials, the catalytic behavior of Cu(II) in the paddle-wheel unit of MOF-505 was theoretically investigated for the Mukaiyama aldol reaction via the density functional theory and compared to that of another catalyst, Cu-ZSM-5 zeolite. Besides, the catalytic behavior of homo-metallic clusters and hetero-bimetallic clusters, that are the metal complexes representing the metal clusters in MOFs, were also theoretically investigated for the cycloaddition reaction of carbon dioxide and ethylene oxides
Nardin, Thibaud. "Elaboration de carbure de silicium poreux et mésoporeux par voie moléculaire." Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS120/document.
Full textDue to its excellent thermal resistance, mechanical and chemical stability both at room and elevated temperature, silicon carbide (SiC) is an attractive material for nuclear fuel cladding or catalyst substrates. Pore size control and high porosity are the key factors for such applications. Two approaches are studied during this PhD thesis:(1) The Soft Templating Approach. The porosity and the structure of the final materials are defined by the supramolecular self-assembly of a structure directing agent (SDA) into a molecular SiC precursor. Low molecular-mass organic gelators and a commercial tri-block copolymer are considered as SDA for the synthesis of mesoporous SiC materials.(2) The Hard Templating Approach. SiC materials are synthesized by preceramic polymer nanocasting into mesoporous silica. This process preserves the nanoscale structure of the solid template and leads to mesostructured SiC materials with a high specific surface area.The hard templating approach allows a good replication of the solid template but the difficulty of this method lies in the elimination step of this template. Meanwhile, soft templating approach does not have this drawback and may lead to porous ceramics with more varied structures depending on the SDA used. The complexity of this approach is the template replication step
Savulis, Raimondas. "Projektų dokumentavimo sistema „MagicDraw“ CASE įrankio pagrindu." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2011. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2011~D_20110901_123547-70643.
Full textCreation of documentation usually is inefficient - documents are being created slowly, the methodology of documentation is usually redundant, there is no common strategy for this. The paper proposes a way to boost the process of creating documentation by using documentation templates that give an opportunity to generate documentation directly from a CASE tool. The created template implements additional functionality - the estimation of a size of programming and testing tasks of a project and tracing the dependencies between project's elements. The implemented template of a document may be applied in more than one project.
Toth, Kalman. "(Endo)fullerene functionalization : from material science to biomedical applications." Thesis, Strasbourg, 2012. http://www.theses.fr/2012STRAE021/document.
Full textWe have synthesized different π-conjugated system-fullerene dyads for photovoltaic applications, where the donor units were either oligophenylenevinylene (OPV) or oligophenyleneethynylene (OPE) derivatives and for the acceptor, C60 or Y3N@C80 was used. There was an additional requirement for our materials: liquid crystallinity. All the donor units contained a mesogenic promoter in order to induce mesomorphism in the D-A dyad and to control the morphology of the prepared film through supramolecular organization. Apart from that, we investigated the effect of the chemical nature of the donor moiety (ie. lyophilic or amphiphilic), the oligomeric length and multiaddition on the photophysical properties and on the self-assembly. We have synthesized an OPE-Y3N@C80 dyad which is the first trimetallic nitride template endohedral metallofullerene derivative with mesomorphic and photoactive properties
Madiouni, Riadh. "Contribution à la synthèse et l’optimisation multi-objectif par essaims particulaires de lois de commande robuste RST de systèmes dynamiques." Thesis, Paris Est, 2016. http://www.theses.fr/2016PESC1053/document.
Full textThis research focuses on the systematic synthesis and optimization of digital RST structure based controllers thanks to global metaheuristics approaches. The classic and hard problems of closed-loop poles placement and sensitivity functions shaping of RST control are well formulated as constrained multi-objective problems to be solved with proposed metaheuristics algorithms NSGA-II, MODE, MOPSO and especially epsilon-MOPSO. Two formulations of the metaheuristics-tuned RST problem have been proposed. The first one, which is given in the time domain, deals with the minimization of several performance criteria like the Integral Square Error (ISE) and the Maximum Overshoot (MO) indices. These optimal criteria, related primarily to the step response of the controlled plant, are optimized under non-analytical constraints defined by temporal templates on the closed-loop dynamics. In the second approach, a formulation in the frequency domain is retained. The proposed strategy aims to optimize a desired output sensitivity function satisfying H∞ robustness constraints. The use of a suitable fixed part of the optimized output sensitivity function will provide partial pole placement of the closed-loop dynamics of the digital RST controller. The opposite of such desired sensitivity function will define the associated H∞ weighting filter. The Multi-Objective Particle Swarm Optimization (MOPSO) technique is particularly retained for the resolution of all formulated multi-objective RST control problems. An adaptive grid based MOPSO algorithm is firstly proposed and then improved based on the epsilon-dominance concepts. Such proposed epsilon-MOPSO algorithm, with a good diversity of the provided Pareto solutions and fast convergence time, showed a remarkable superiority compared to the standard MOPSO, NSGA-II and MODE algorithms. Performance metrics, such as generational distance, error rate and spacing, are presented for the statistical analysis of the achieved multi-optimization results. An application to the variable speed RST control of an electrical DC drive is performed, also for the RST position control of a flexible transmission plant with varying loads. Demonstrative simulations and comparisons are carried out in order to show the validity and the effectiveness of the proposed metaheuristics-based tuned RST control approach, which is formulated in the multi-objective optimization framework
Bacon, Philippe. "Graphes d'ondelettes pour la recherche d'ondes gravitationnelles : application aux binaires excentriques de trous noirs." Thesis, Sorbonne Paris Cité, 2018. http://www.theses.fr/2018USPCC113/document.
Full textIn december 2015 the LIGO detectors have first detected a gravitational wave emitted by a pair of coalescing black holes 1.3 billion years ago. Many more observations have been realised since then and heralded gravitational waves as a new messenger in astronomy. The latest detection is the merge of two neutron stars whose electromagnetic counterpart has been followed up by many observatories around the globe. These direct observations have been made possible by the developpement of advanced data analysis techniques. With them the weak gravitational wave inprint in detectors may be recovered. The realised work during this thesis aims at developping an existing gravitational wave detection method which relies on minimal assumptions of the targeted signal. It more precisely consists in introducing an information on the signal phase depending on the astrophysical context. The first part is dedicated to a presentation of the method. The second one presents the results obtained when applying the method to the search of stellar mass binary black holes in simulated Gaussian noise data. The study is repeated in real instrumental data collected during the first run of LIGO. Finally, the third part presents the method applied in the search for eccentric binary black holes. Their orbit exhibits a deviation from the quasi-circular orbit case considered so far and thus complicates the signal morphology. This third analysis establishes first results with the proposed method in the case of a poorly modeled signal
Ferris, Anaïs. "Structuration de collecteurs de courant d'or pour la réalisation de micro-supercondensateurs à base d'oxyde de ruthénium." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30022/document.
Full textThe increasing importance of portable and wearable electronics as well as embedded wireless sensor networks has made energy autonomy a critical issue. Micro-energy autonomy solutions based on the combination of energy harvesting and storage may play a decisive role. However, the short lifetime of micro-batteries is problematic. Micro-supercapacitors are a promising solution in terms of energy storage for embedded systems on the account of their important lifetime. In this work we have focused on the optimization of the performances of micro-supercapacitors in terms of energy and power density. As the capacitance is directly related to the accessible surface area of the electrodes, we have investigated the structuration of the current collectors in order to improve the performances of ruthenium oxide-based micro-supercapacitors. Two mains technics have been studied to obtain three dimensional structures. In a first phase, the oblique angle physical vapor deposition (OAD) has been investigated to fabricate a columnar gold structure, subsequently covered by an electrochemical ruthenium oxide. In a second phase, a highly porous gold architecture has been studied using electrodeposition via a hydrogen bubbles dynamic template. The ruthenium oxide electrodeposited on the resulting mesoporous gold structure shows good compatibility, in terms of homogeneous deposition, with a significant capacitance at slow rate (> 3F.cm-2) and an important cyclability. As proof of concept, a device has been designed in a stack configuration with good performances. Moreover, the technology finalized for electrodes fabrication has been transferred to the micro-scale on planar interdigitated devices using a suitable photolithography process
Li, Jing. "Design of mechatronic products based on user-customized configuration : an application for industrial robots." Thesis, Compiègne, 2015. http://www.theses.fr/2015COMP2211/document.
Full textIn today's market, obtaining a variety of products through configuration design has become increasingly common. However, with the development of the market, customers have not only satisfied the company offering a variety of products, and more demands on participating in the process of configuration design by themselves, so that they can obtain fully personalized products. Customer participation leads to the changes of design process, company's management model, etc. Based on the above problem, this thesis takes industrial robot as an example, and studies the management issues related to the customer involved in the design, in order to address the contradiction between product diversification, personalized requirements and the long design cycle and high manufacturing costs. Firstly, Auser-customized configuration design pattern is presented. The theory source of user-customized configuration design pattern is introduced, and then the related concepts are expounded. The corresponding business mode of user-customized configuration design pattern is given, and the key technologies to realize business mode is studied. System dynamics models were established for user-customized configuration design business mode and for traditional business mode of industrial robots by Anylogic simulation software. Secondly, the component-based theory and method are studied, including the formal description of things, ontology representation, componentization and servitization. On this basis, the componentization description model is established for the product parts. And the model is represented as service-component. Next, the formation process and extension method of service-component are introduced. An example of industrial robot components modeling is analyzed, includingestablishing industrial robot domain ontology by protégé, describing, instantiating and extensing components. Thirdly, the industrial robot user-customized configuration design template is constructed, and users can obtain the industrial robot meeting constraints through parameters setting; The kinematics and dynamics analysis on template is taken by Simscape model, and the dynamic parameters is analyzed, and the finite element analysis on template is taken by ANSYS, including statics analysis and modal analysis. The parameters flow process in template is analyzed. Then taking industrial robot user-customized configuration design using configuration template as an example, the configuration template is analyzed in application. Fourthly, the internal algorithm of user-customized configuration design is researched. Platform-based and user-leading user-customized configuration design process is constructed, and then the internal algorithm to keep the design running smoothly is studied, including the degree of freedom determination, fuzzy demand calculation, and service-component configuration and the configuration program evaluation. A case analysis is also taken for the internal algorithm Finally, on the basis of the previous section, the prototype system design of the open design platform is taken. Based on system requirements analysis and system design, the main pages of the platform are designed, and the key functions are introduced
Karajić, Aleksandar. "Development of electrode architectures for miniaturized biofuel cells." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0305/document.
Full textThe increasing demand for miniaturized and eventually implantable electrochemicaltools such as biosensors, biofuel cells and batteries has led to the development of newtechnologies to overcome existing problems related to large dimensions, low current densities,and insufficient power output of such devices. In the present work we describe new approachesfor the fabrication of miniaturized, macroporous and coaxial electrode architectures that couldfind their practical application for the fabrication of the systems mentioned above.Furthermore, we have demonstrated the functionality of macroporous electrodes with respectto the design of miniaturized glucose/oxygen biofuel cells. Preliminary results regarding thedesign of a new type of whole-cell based glucose biosensors are also presented.The first part of this work is focusing on different strategies for the fabrication of colloidalcrystals (Chapter 1) that can be used for the synthesis of macroporous electrodes (Chapter2) byfollowing the so-called hard template approach. The synthesis of macroporous electrodes isbased on the potentiostatic electrodeposition of conductive materials (such as metals in thepresent work) into a silica based colloidal template that has been synthesized by the Langmuir-Blodgett procedure. This method has been used for the design and fabrication of miniaturizedcoaxial and macroporous two electrode-electrochemical cells by following two different andcomplementary procedures: 1. The first fabrication procedure is based on the electrodepositionof alternating gold-nickel-gold metal layers, subsequent etching of the intermediate nickel layerand a structural stabilization; 2. The second alternative and complementary strategy for thefabrication of coaxial and macroporous double electrochemical cells relies on assembling thefinal architecture from two independently prepared and electrochemically addressablecylindrical macroporous electrodes. The main difference between these two approaches is therange of inter-electrode distances (from tens of micrometers (first approach) to hundreds ofmicrometers that can be achieved by second fabrication procedure). Also, we demonstrate theelectrochemical functionality of both electrode architectures by cyclo-voltammetricinvestigation of the oxygen reduction reaction that takes place at the surface of bothelectrodes.The biggest advantage of the presented strategies is the possibility to fine tune the electrodethickness (and therefore active surface areas), the spatial separation between inner and outerelectrode (the volume of electrolyte that can be stored between them) and the pore size (bychanging the diameter of silica colloidal particles).In the following segment (Chapter 3), we demonstrate the possibility to use macroporouselectrodes for the fabrication of an enzymatic biocathode. The macroporous gold substrateswere chosen as promising candidates to improve the electrochemical performances (currentand power output) of an enzymatic glucose/oxygen biofuel cells due to their high active surface area. [...] Finally, our contribution to the development of a new type of whole cell based biosensor isdescribed in Chapter 4. [...]
Pairault, Noël. "Synthèse de [1]rotaxanes par la méthode de reconnaissance active pour le développement d'une polymérase artificielle autonome et adaptative." Thesis, Poitiers, 2016. http://www.theses.fr/2016POIT2321/document.
Full textThis thesis is devoted to the development of an artificial molecular machine in the form of [1]rotaxane, designed to synthesize different kind of polymers autonomously. During this study, we accomplished the first highly diastereoselective synthesis of [1]rotaxanes by the copper(I)-catalysed active template method. We showed that a molecular brake was necessary to ensure the stability of the interlocked architecture. Moreover, the use of a short lateral chain of the macrocycle is essential to promote the synthesis of molecular lassos. Finally, the asymmetric center of the molecular brake induces the stereoselectivity of the reaction. This allows us to accomplish the stereodivergent synthesis of [1]rotaxanes from enantiomerically pure macrocycles. The second part of this project concerns the study of the potential processivity of this kind of molecular architecture. In this context, we built a [2]rotaxane which has a labile stopper and a protected thiol moiety on the lateral chain of the macrocycle. The controlled release of the thiol leads to the formation of a [1]rotaxane trapped in situ by a nucleophile, showing the potential of this approach for the design of molecular machines working processively
Tavares, Maria Luciano. "Contribuição para o estudo das tipologias documentais na administração municipal portuguesa: a Câmara Municipal de Portalegre." Master's thesis, Universidade de Évora, 2011. http://hdl.handle.net/10174/17989.
Full textMaire, Florian. "Détection et classification de cibles multispectrales dans l'infrarouge." Thesis, Evry, Institut national des télécommunications, 2014. http://www.theses.fr/2014TELE0007/document.
Full textSurveillance systems should be able to detect potential threats far ahead in order to put forward a defence strategy. In this context, detection and recognition methods making use of multispectral infrared images should cope with low resolution signals and handle both spectral and spatial variability of the targets. We introduce in this PhD thesis a novel statistical methodology to perform aircraft detection and classification which take into account these constraints. We first propose an anomaly detection method designed for multispectral images, which combines a spectral likelihood measure and a level set study of the image Mahalanobis transform. This technique allows to identify images which feature an anomaly without any prior knowledge on the target. In a second time, these images are used as realizations of a statistical model in which the observations are described as random spectral and spatial deformation of prototype shapes. The model inference, and in particular the prototype shape estimation, is achieved through a novel unsupervised sequential learning algorithm designed for missing data models. This model allows to propose a classification algorithm based on maximum a posteriori probability Promising results in detection as well as in classification, justify the growing interest surrounding the development of multispectral imaging devices. These methods have also allowed us to identify the optimal infrared spectral band regroupments regarding the low resolution aircraft IRS detection and classification
Mull, Randall Franklin. "Teaching web design at the higher education level." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=1954.
Full textTitle from document title page. Document formatted into pages; contains iii, 47 p. Vita. Includes abstract. Includes bibliographical references (p. 36-37).
Gatta, Andrea. "Towards the Harmonisation of Civil Procedure: Translation in Italian Civil Court Proceedings and the Role of Multilingual Document Templates." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/17167/.
Full textHartmann, Falk [Verfasser], Uwe [Akademischer Betreuer] Aßmann, and Welf [Akademischer Betreuer] Löwe. "Safe Template Processing of XML Documents / Falk Hartmann. Gutachter: Uwe Aßmann ; Welf Löwe. Betreuer: Uwe Aßmann." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://d-nb.info/1067190805/34.
Full textPoltorak, Lukasz. "Modification électrochimique de l'interface liquide - liquide avec de la silice mésoporeuse." Thesis, Université de Lorraine, 2015. http://www.theses.fr/2015LORR0105/document.
Full textThis work combines the electrochemistry at the interface between two immiscible electrolyte solutions (ITIES) with the Sol – Gel process of silica leading to an interfacial modification with mesoporous silica using soft template. In the first part of this work the macroscopic liquid – liquid interface was employed to separate the aqueous solution of the hydrolyzed silica precursor species (tetraethoxysilane (TEOS)) from the cationic surfactant (cethyltrimethylammonium (CTA+)) dissolved in the dichloroethane. The silica material deposition was controlled by the electrochemical CTA+ transfer from the organic to the aqueous phase. Template transferred to the aqueous phase catalyzed the condensation reaction and self-assembly resulting in silica deposition at the interface. Silica deposition at the miniaturized ITIES (membranes supporting array of micrometer in diameter pores were used in this regard) was the second part of this work. Silica interfacial synthesis performed in situ resulted in stable deposits growing on the aqueous side of the interface. Mechanical stability of the supported silica deposits allowed further processing – silica material was cured. Based on imaginary techniques (e.g. SEM) it was found that deposits forms hemispheres for longer experimental time scales. Interfacial reaction was also followed with in situ confocal Raman spectroscopy. Molecular characteristics of the interface were changed dramatically once CTA+ species were transferred to the aqueous phase. Array of microITIES modified with silica was also assessed by ion transfer voltammetry
Lahtinen, Joakim. "Dokumenthantering i Microsoft SharePoint 2010 :." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-98876.
Full textSharePoint is a large content and management system that is used by a vast number of businesses. Templates can be specified for different types of documents (called content types), which simplifies the creating of new documents for the end user. However, the system by which this is done today quickly becomes cumbersome and unmanageable when the number of templates that a business uses increases. In this thesis a solution to the problem is examined which is available on the Microsoft Codeplex site, a site for hosting open source projects. During the project the solution was examined in greater detail, and further developed into a prototype that HOW Solutions could use in future projects. The final result was a prototype that builds on the earlier solution which allows the user to specify a template hub, which is a site collection with libraries that supplies other libraries with templates. During the project another solution, which builds on the same solution, was found. It shows great promise and requires further investigation.
Massaccesi, Simone. "IDACardOCR: App Android per la gestione di template di documenti di identità e l'acquisizione di dati anagrafici." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/7800/.
Full textAllon, Matthieu. "Ingénierie dirigée par les modèles basée sur les templates." Thesis, Lille 1, 2018. http://www.theses.fr/2018LIL1I051/document.
Full textAgainst the growing complexity of systems, model reuse is often used in the analysis and design steps of software development. In this thesis, we explore this kind of reuse by focusing on templates which are parameterized models. Templates capture general knowledge that can be adapted to various application contexts. On the basis of ‘aspectual templates’ which have a model as parameter, we propose a dedicated engineering. This one is structured around a model repository and two design spaces : one for templates one and another for application models, each space supporting specific modeling activities. We contribute to this engineering by studying three topics First, through the analysis of the UML ‘bind’ relationship, we isolate instantiation as a first-class operation to build a model based on the template structure. Questions about partial instantiation and instantiation sequences are further examined. Then, in order to ease model understanding and evolution, we provide operators for detecting and deleting templates inside models. Finally, we study the application of templates on model hierarchies which occurs in model versioning and team modeling. To facilitate these uses, rules defining the validity of such application and their effects on the relations between resulting models are given. We apply this engineering by presenting corresponding operators, their implementation in a reusable technology and their experimentation to model a REST server of data curation
Di, Pasquale Elia. "CardManager: applicazione per la gestione di documenti e carte, e l'acquisizione di dati tramite OCR." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/12244/.
Full textConteduca, Antonio. "Pakkery: progettazione e sviluppo di un sistema di authoring basato su templating." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/12300/.
Full textSawan, Ismail. "Le temple en Syrie d'après les documents paleo-babyloniens : étude comparée de quelques aspects." Paris 1, 2010. http://www.theses.fr/2010PA010675.
Full textSacco, Leandro Nicolas. "Synthesis of carbon nanotubes within porous anodic alumina templates for electronic applications." Palaiseau, Ecole polytechnique, 2015. https://theses.hal.science/tel-01312414/document.
Full textThe present work is devoted to synthesis of carbon nanotubes (CNTs) within porous anodic alumina (PAA) templates for their device application. The template-based approach using PAA structures provides a versatile organized platform that can be easily controlled adjusting the parameters involved in their fabrication. Two different approaches have been adopted for the device fabrication: the conventional vertical-PAA which is obtained by the simply anodization of an aluminum foil and on the other hand lateral-PAA templates have been fabricated requiring lithography steps. The main characteristics of the PAA templates have been deeply studied, in particular the oxide barrier layer at the bottom of the pores. After catalyst deposition hot-filament assisted chemical vapor deposition (HF-CVD) has been implemented for the synthesis of CNTs. The carbon nanotube structure grown within the PAA template has been extensively analyzed by several techniques as SEM, TEM, Raman spectroscopy and electron energy loss spectroscopy. The impact of the PAA geometry on the synthesis of the CNT has been studied analyzing the evolution of the CNTs within the PAA structure at different times. Fabricated devices based on CNTs grown inside lateral-PAA devices have been electrical and optoelectronically characterized. The devices are based on asymmetrical contacted arrays of nanotubes leading to Schoktty photodiodes. A rectifying behavior can be achieved controlling the metal work functions which contact the counter electrode. These devices present a strong photonic response under light illumination, exhibiting potential application in the photovoltaic and photosensing fields. The vertical-PAA devices have been fabricated exploiting the easier fabrication procedure. Humidity measurements have been performed showing promising results for a further gas sensor fabrication in spite of the active element of the sensing device is inside of the vertical-PAA structure. The present work introduces fundamental results of the growth of nanostructures PAA template and above all exhibits two different templates approach fabrication that opens the frontiers of devises based on nanomaterials
Gruson, François. "Pratique rituelle et forme de l'espace : le temple maçonnique : forme, type et signification." Thesis, Lille 3, 2016. http://www.theses.fr/2016LIL30040/document.
Full textThe architecture of the Masonic temples is a living heritage, but little studied, particularly in the context of academic research. Yet it has two advantages. As an object of study, first of all, it offers formal, spatial and sufficiently significant stylistic characteristics that we may wish to describe, seeking both to define the limits and invariants and also to identify different variations across tropisms related to history, geography or the culture in which it develops. This architecture offers also an interest as a subject of research: it is strictlydictated by specific rituals that define both form, organization and use. From this perspective, this study provides first revisit the concepts of type and model, as they were defined within the framework of the typo-morphological analysis developed by the Italian criticism in the 1970s. It establishes also a link between the use, here codifiedrituals, and architectural form, and suggest the outlines of a theory of concretion, within the form of architectural spaces would be understood as the result of ritualized practices of space. The thesis is developed in three parts. The first part, which opens a state ofknowledge, is devoted to the methodological approach and research developments, thanks to the means of digital technology and computers, which enabled the developmentof the corpus of research. The second part is devoted to the analysis of this corpus, based on the social, architectural and symbolic aspects of the Masonic Temple. The third part provides an extract of the of the corpus. This excerpt covers Europe and North America
De, Michele Patrick. "Le centre monumental de la ville d'Apt à l'époque gallo-romaine." Thesis, Aix-Marseille, 2012. http://www.theses.fr/2012AIXM3096/document.
Full textThis dissertation presents the results of research carried out on the architecture of the monumental municipal and religious center of the ancient city of Apta Iulia (Apt). A Latin colony created apparently by the initiative of Julius Caesar and finalized by Octavian-Augustus during the first century B.C., its remains are scattered inside the cellars of the old center of the city of Apt. We have committed ourselves to defining the chronology covering the periods corresponding to its creation up to its presence within modern constructions in the city center. The principal buildings studied are the ancient theatre, its porticus post scaenam, the possible presence of a basilica and the main components of its forum (temple and senate). The results are presented in the form of maps of the group of discovered structures and by a significant collection of photographs of the principal edifices of this monumental urban Gallo-Roman ensemble
Soutif, Dominique. "Organisation religieuse et profane du temple khmer du VIIème au XIIIème siècle." Thesis, Paris 3, 2009. http://www.theses.fr/2009PA030074/document.
Full textAs from the 19th century, Khmer temples have raised a number of questions that are still of interest today, and how they functioned is not the least fascinating of them all. The monumental features and sizes of these foundations suggest that they housed continuous and diverse activities, similar to those of their Indian equivalents that are still active today. This study is especially concerned with the daily activities that went on from preangkorian to angkorian times. This thesis is based on an archaeological approach that aims at identifying the activities and celebrations conducted in these temples from the implements that they required. Nevertheless, the precious, recyclable or perishable nature of what belonged to the gods makes their discovery extremely rare. As a consequence, the sources of this study are essentially epigraphic Khmer documents that list long records of items. These lists are considered from two complementary angles. They first consist in a heritage that was carefully described not only to make it easier to use but also to protect it. How they are numbered, what they are composed of and how much they weigh are therefore a number of means to estimate how much they are worth and how to identify them. Furthermore, the objects used during the celebrations give an insight into the rites that were conducted in these temples. This study aims at putting them together as well as organizing them in the light of Indian ritual directions since their influence on Khmer religious celebrations are well-known. Finally, this research has lead to studying yet unpublished inscriptions which are not limited to listing manufactured goods. They give an insight into all that belonged to the gods and to tackle different ways in which these sanctuaries functioned
Ezzeddine, Diala. "A contribution to topological learning and its application in Social Networks." Thesis, Lyon 2, 2014. http://www.theses.fr/2014LYO22011/document.
Full textSupervised Learning is a popular field of Machine Learning that has made recent progress. In particular, many methods and procedures have been developed to solve the classification problem. Most classical methods in Supervised Learning use the density estimation of data to construct their classifiers.In this dissertation, we show that the topology of data can be a good alternative in constructing classifiers. We propose using topological graphs like Gabriel graphs (GG) and Relative Neighborhood Graphs (RNG) that can build the topology of data based on its neighborhood structure. To apply this concept, we create a new method called Random Neighborhood Classification (RNC).In this method, we use topological graphs to construct classifiers and then apply Ensemble Methods (EM) to get all relevant information from the data. EM is well known in Machine Learning, generates many classifiers from data and then aggregates these classifiers into one. Aggregate classifiers have been shown to be very efficient in many studies, because it leverages relevant and effective information from each generated classifier. We first compare RNC to other known classification methods using data from the UCI Irvine repository. We find that RNC works very well compared to very efficient methods such as Random Forests and Support Vector Machines. Most of the time, it ranks in the top three methods in efficiency. This result has encouraged us to study the efficiency of RNC on real data like tweets. Twitter, a microblogging Social Network, is especially useful to mine opinion on current affairs and topics that span the range of human interest, including politics. Mining political opinion from Twitter poses peculiar challenges such as the versatility of the authors when they express their political view, that motivate this study. We define a new attribute, called couple, that will be very helpful in the process to study the tweets opinion. A couple is an author that talk about a politician. We propose a new procedure that focuses on identifying the opinion on tweet using couples. We think that focusing on the couples's opinion expressed by several tweets can overcome the problems of analysing each single tweet. This approach can be useful to avoid the versatility, language ambiguity and many other artifacts that are easy to understand for a human being but not automatically for a machine.We use classical Machine Learning techniques like KNN, Random Forests (RF) and also our method RNC. We proceed in two steps : First, we build a reference set of classified couples using Naive Bayes. We also apply a second alternative method to Naive method, sampling plan procedure, to compare and evaluate the results of Naive method. Second, we evaluate the performance of this approach using proximity measures in order to use RNC, RF and KNN. The expirements used are based on real data of tweets from the French presidential election in 2012. The results show that this approach works well and that RNC performs very good in order to classify opinion in tweets.Topological Learning seems to be very intersting field to study, in particular to address the classification problem. Many concepts to get informations from topological graphs need to analyse like the ones described by Aupetit, M. in his work (2005). Our work show that Topological Learning can be an effective way to perform classification problem