Academic literature on the topic 'PNML Framework'

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Journal articles on the topic "PNML Framework"

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Reza, Hassan, and Amrita Chatterjee. "Mapping AADL to Petri Net Tool-Sets Using PNML Framework." Journal of Software Engineering and Applications 07, no. 11 (2014): 920–33. http://dx.doi.org/10.4236/jsea.2014.711082.

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Gasevic, Dragan. "Petri nets on the semantic web guidelines and infrastructure." Computer Science and Information Systems 1, no. 2 (2004): 127–51. http://dx.doi.org/10.2298/csis0402127g.

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This paper gives the Petri net ontology as the most important element in providing Petri net support for the Semantic Web. Available Petri net formal descriptions are: metamodels, UML profiles, ontologies and syntax. Metamodels are useful, but their main purpose is for Petri net tools. Although the current Petri-net community effort Petri Net Markup Language (PNML) is XML-based, it lacks a precise definition of semantics. Existing Petri net ontologies are partial solutions specialized for a specific problem. In order to show current Petri net model sharing features we use P3 tool that uses PNML/XSLT-based approach for model sharing. This paper suggests developing the Petri net ontology to represent semantics appropriately. This Petri net ontology is described using UML, Resource Description Framework (Schema) RDF(S) and the Web Ontology Language-OWL.
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Fang, Kwoting, and Shuoche Lin. "An Integrated Approach for Modeling Ontology-Based Task Knowledge on an Incident Command System." Sustainability 11, no. 12 (2019): 3484. http://dx.doi.org/10.3390/su11123484.

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This paper presents the TTIPP methodology, an integration of task analysis, task ontology, integration definition function modeling (IDEF0), Petri net, and Petri net mark language (PNML), to organize and model the task knowledge in the form of natural language expressions acquired during the knowledge-acquisition process. The goal of the methodology is to make the tasks more useful, accessible, and sharable through the web for a variety of stakeholders interested in solving a problem which is expressed mostly in linguistic form, and to shed light on the nature of problem-solving knowledge. This study provides a core epistemology for the knowledge engineer while developing the task ontology for a generic task. The proposed model overcomes the drawbacks of IDEF0, which are its static nature and Petri net which has no concept of hierarchy. A good number of countries lie on the typhoon and earthquake belts, which make them vulnerable to natural calamities. However, a practical incident command system (ICS) that provides a common framework to allow emergency responders of different backgrounds to work together effectively for standardized, on-the-scene, incident management has yet to be developed. There is a strong need to explicitly share, copy, and reuse the existing problem-solving knowledge in a complex ICS. As an example, the TTIPP model is applied to the task of emergency response for debris-flow during a typhoon as a part of an ICS.
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WANG, YUAN, YUNDE JIA, CHANGBO HU, and MATTHEW TURK. "NON-NEGATIVE MATRIX FACTORIZATION FRAMEWORK FOR FACE RECOGNITION." International Journal of Pattern Recognition and Artificial Intelligence 19, no. 04 (2005): 495–511. http://dx.doi.org/10.1142/s0218001405004198.

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Non-negative Matrix Factorization (NMF) is a part-based image representation method which adds a non-negativity constraint to matrix factorization. NMF is compatible with the intuitive notion of combining parts to form a whole face. In this paper, we propose a framework of face recognition by adding NMF constraint and classifier constraints to matrix factorization to get both intuitive features and good recognition results. Based on the framework, we present two novel subspace methods: Fisher Non-negative Matrix Factorization (FNMF) and PCA Non-negative Matrix Factorization (PNMF). FNMF adds both the non-negative constraint and the Fisher constraint to matrix factorization. The Fisher constraint maximizes the between-class scatter and minimizes the within-class scatter of face samples. Subsequently, FNMF improves the capability of face recognition. PNMF adds the non-negative constraint and characteristics of PCA, such as maximizing the variance of output coordinates, orthogonal bases, etc. to matrix factorization. Therefore, we can get intuitive features and desirable PCA characteristics. Our experiments show that FNMF and PNMF achieve better face recognition performance than NMF and Local NMF.
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Dawson, Daniel M., Charlotte E. F. Sansome, Lauren N. McHugh, et al. "13C pNMR of “crumple zone” Cu(II) isophthalate metal-organic frameworks." Solid State Nuclear Magnetic Resonance 101 (September 2019): 44–50. http://dx.doi.org/10.1016/j.ssnmr.2019.05.005.

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BAYAR, BELHASSEN, NIDHAL BOUAYNAYA, and ROMAN SHTERENBERG. "PROBABILISTIC NON-NEGATIVE MATRIX FACTORIZATION: THEORY AND APPLICATION TO MICROARRAY DATA ANALYSIS." Journal of Bioinformatics and Computational Biology 12, no. 01 (2014): 1450001. http://dx.doi.org/10.1142/s0219720014500012.

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Non-negative matrix factorization (NMF) has proven to be a useful decomposition technique for multivariate data, where the non-negativity constraint is necessary to have a meaningful physical interpretation. NMF reduces the dimensionality of non-negative data by decomposing it into two smaller non-negative factors with physical interpretation for class discovery. The NMF algorithm, however, assumes a deterministic framework. In particular, the effect of the data noise on the stability of the factorization and the convergence of the algorithm are unknown. Collected data, on the other hand, is stochastic in nature due to measurement noise and sometimes inherent variability in the physical process. This paper presents new theoretical and applied developments to the problem of non-negative matrix factorization (NMF). First, we generalize the deterministic NMF algorithm to include a general class of update rules that converges towards an optimal non-negative factorization. Second, we extend the NMF framework to the probabilistic case (PNMF). We show that the Maximum a posteriori (MAP) estimate of the non-negative factors is the solution to a weighted regularized non-negative matrix factorization problem. We subsequently derive update rules that converge towards an optimal solution. Third, we apply the PNMF to cluster and classify DNA microarrays data. The proposed PNMF is shown to outperform the deterministic NMF and the sparse NMF algorithms in clustering stability and classification accuracy.
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Eikeseth, Unni, and Kristin Elisabeth Haugstad. "“I call it frost.” Features of scientific social language during inquiry-based learning on the particulate nature of matter." Nordic Studies in Science Education 17, no. 2 (2021): 152–66. http://dx.doi.org/10.5617/nordina.7109.

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The particulate nature of matter (PNM) is central to learning science and is a difficult concept for both children and adults. The purpose of this study is to examine how teaching materials from an integrated science and literacy curriculum on the PNM affects communication between pre-service teachers. We were especially interested in examining communication during an activity phase and whether and how participants used PNM models. The interactions between participants were recorded with headcams and analysed using a framework developed by Mortimer and Scott in 2003. The findings revealed that the participants mainly described what they observed directly using scientific words and concepts, but they did not necessarily use PNM models or theoretical knowledge spontaneously. Research indicates that the ability to use knowledge at a theoretical level is key to understanding chemical concepts, so our study underscores the importance of explicitly asking participants to use models and theoretical knowledge.
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SUN, XIAO-XIAO, ZHI-RU REN, and DAO-GUANG WANG. "STRUCTURAL TRANSITIONS OF BiI3 UNDER PRESSURE." Modern Physics Letters B 26, no. 32 (2012): 1250217. http://dx.doi.org/10.1142/s021798491250217x.

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High pressure studies of BiI 3 at 0 K are performed using first-principles pseudopotential calculations within the framework of density functional theory. The calculations indicate that BiI 3 undergoes a structural transition from rhombohedral R-3 phase to monoclinic P2 1/c phase at 7 GPa which is accompanied by a 5.8% volume collapse. In addition, we find that P2 1/c phase prevails about 60 GPa range and transforms to cubic Fm-3m phase at 68 GPa, and finally takes the orthorhombic Pnma phase at high pressures up to 133 GPa. The structural and electronic properties of four competitive structures are also calculated. The analysis of density of states reveals that BiI 3 has semiconductor-metal transition at about 61 GPa, which also demonstrates the metallic nature of both Fm-3m and Pnma phases.
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Suo, Si, Mingchao Liu, and Yixiang Gan. "An LBM-PNM framework for immiscible flow: With applications to droplet spreading on porous surfaces." Chemical Engineering Science 218 (June 2020): 115577. http://dx.doi.org/10.1016/j.ces.2020.115577.

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Keimes, Viktor, and Albrecht Mewis. "MgNi2P - das erste ternäre Phosphid mit geordneter Fe3C-Struktur / MgNi2P - The First Ternary Phosphide with an Ordered Fe3C Type Structure." Zeitschrift für Naturforschung B 49, no. 8 (1994): 1071–73. http://dx.doi.org/10.1515/znb-1994-0811.

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MgNi2P was prepared by heating a mixture of the elements and investigated by means of single crystal X-ray methods. The compound crystallizes in an ordered Fe3C-type structure (Pnma; a = 6.477(1) Å, b = 6.364(1) Å, c = 5.001(1) Å; Z = 4). Ni and P atoms are linked together to a three-dimensional framework with octogonal tubes running along [010], which are occupied by Mg atoms in the form of stretched zigzag chains.
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Dissertations / Theses on the topic "PNML Framework"

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Hillah, Lom Messan. "Intégration des méthodes formelles au développement dirigé par les modèles, pour la conception et la vérification des systèmes et applications répartis." Paris 6, 2009. http://www.theses.fr/2009PA066267.

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Book chapters on the topic "PNML Framework"

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Hillah, Lom-Messan, Fabrice Kordon, Charles Lakos, and Laure Petrucci. "Extending pnml Scope: A Framework to Combine Petri Nets Types." In Transactions on Petri Nets and Other Models of Concurrency VI. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-35179-2_3.

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Hillah, L. M., F. Kordon, L. Petrucci, and N. Trèves. "PNML Framework: An Extendable Reference Implementation of the Petri Net Markup Language." In Applications and Theory of Petri Nets. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-13675-7_20.

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Yuan, Cangzhou, Hangyu He, Panpan Zhan, and Tao Chen. "A Framework for Analysis of Non-functional Properties of AADL Model Based on PNML." In Lecture Notes in Electrical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-13-9409-6_313.

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Baerlocher, Christian, Lynne B. McCusker, and David H. Olson. "Pnma." In Atlas of Zeolite Framework Types. Elsevier, 2007. http://dx.doi.org/10.1016/b978-044453064-6/50228-0.

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Baerlocher, Christian, Lynne B. McCusker, and David H. Olson. "Pnma." In Atlas of Zeolite Framework Types. Elsevier, 2007. http://dx.doi.org/10.1016/b978-044453064-6/50246-2.

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Baerlocher, Christian, Lynne B. McCusker, and David H. Olson. "Pnma." In Atlas of Zeolite Framework Types. Elsevier, 2007. http://dx.doi.org/10.1016/b978-044453064-6/50275-9.

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Baerlocher, Christian, Lynne B. McCusker, and David H. Olson. "Pnma." In Atlas of Zeolite Framework Types. Elsevier, 2007. http://dx.doi.org/10.1016/b978-044453064-6/50287-5.

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Smith, Sarah. "Gendered identities in peacebuilding: an analysis of post-2006 Timor-Leste." In The politics of identity. Manchester University Press, 2018. http://dx.doi.org/10.7228/manchester/9781526110244.003.0004.

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In 2006 and 2007, Timor-Leste experienced a violent political crisis, mostly centred in the capital Dili, which led to a renewed UN peacekeeping presence. While the catalyst for the crisis was the spill-over of tensions within and between Timor-Leste’s security institutions – the national police force (PNTL) and the national defence force (F-FDTL) – there was significant impact on the broader population, resulting in over 100,000 internally displaced and the widespread destruction of property. However, the subsequent UN peacebuilding activities and policy outcomes all took on a male-centric focus, especially via the focus given to Timor-Leste’s security institutions. Although a number of women worked to alleviate the societal tensions that had been exposed as a result of the crisis, they were excluded from high-level negotiations. Several theorists have suggested that despite women’s complex and highly differentiated roles in conflict and peacebuilding, they are often essentialized as victims, limiting the remit of their recognised contributions. The approach to gender work undertaken in Timor-Leste from 2006 can be understood through two theoretical frameworks: the connection between the ‘gendering’ of women, or assigning essentialist roles to women as part of being ‘gender aware’; and the victim-narrative that dominated institutional policy discussions on gender and women in post-crisis Timor-Leste.
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Conference papers on the topic "PNML Framework"

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Fong, Jeffrey T., N. Alan Heckert, James J. Filliben, and Steven R. Doctor. "Three Approaches to Quantification of NDE Uncertainty and a Detailed Exposition of the Expert Panel Approach Using the Sheffield Elicitation Framework." In ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84771.

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The ASME Boiler & Pressure Vessel Code Section XI Committee is currently developing a new Division 2 nuclear code entitled the “Reliability and Integrity Management (RIM) program,” with which one is able to arrive at a risk-informed, NDE-based engineering maintenance decision by estimating and managing all uncertainties for the entire life cycle including design, material selection, degradation processes, operation and non-destructive examination (NDE). This paper focuses on the uncertainty of the NDE methods employed for preservice and inservice inspections due to a large number of factors such as the NDE equipment type and age, the operator’s level and years of experience, the angle of probe, the flaw type, etc. In this paper, we describe three approaches with which uncertainty in NDE-risk-informed decision making can be quantified: (1) A regression model approach in analyzing round-robin experimental data such as the 1981–82 Piping Inspection Round Robin (PIRR), the 1986 Mini-Round Robin (MRR) on intergranular stress corrosion cracking (IGSCC) detection and sizing, and the 1989–90 international Programme for the Inspection of Steel Components III-Austenitic Steel Testing (PISC-AST). (2) A statistical design of experiments approach. (3) An expert knowledge elicitation approach. Based on a 2003 Pacific Northwest National Laboratory (PNNL) report by Heasler and Doctor (NUREG/CR-6795), we observe that the first approach utilized round robin studies that gave NDE uncertainty information on the state of the art of the NDE technology employed from the early 1980s to the early 1990s. This approach is very time-consuming and expensive to implement. The second approach is based on a design-of-experiments (DEX) of eight field inspection exercises for finding the length of a subsurface crack in a pressure vessel head using ultrasonic testing (UT), where five factors (operator’s service experience, UT machine age, cable length, probe angle, and plastic shim thickness), were chosen to quantify the sizing uncertainty of the UT method. The DEX approach is also time-consuming and costly, but has the advantage that it can be tailored to a specific defect-detection and defect-sizing problem. The third approach using an expert panel is the most efficient and least costly approach. Using the crack length results of the second approach, we introduce in this paper how the expert panel approach can be implemented with the application of a software package named the Sheffield Elicitation Framework (SHELF). The crack length estimation with uncertainty results of the three approaches are compared and discussed. Significance and limitations of the three uncertainty quantification approaches to risk assessment of NDE-based engineering decisions are presented and discussed.
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