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Dissertations / Theses on the topic 'RDF triples'

Author: Grafiati

Published: 3 June 2025

Last updated: 1 August 2025

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1

Galicia, Auyón Jorge Armando. "Revisiting Data Partitioning for Scalable RDF Graph Processing Combining Graph Exploration and Fragmentation for RDF Processing Query Optimization for Large Scale Clustered RDF Data RDFPart- Suite: Bridging Physical and Logical RDF Partitioning. Reverse Partitioning for SPARQL Queries: Principles and Performance Analysis. ShouldWe Be Afraid of Querying Billions of Triples in a Graph-Based Centralized System? EXGRAF: Exploration et Fragmentation de Graphes au Service du Traitement Scalable de Requˆetes RDF". Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2021. http://www.theses.fr/2021ESMA0001.

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Le Resource Description Framework (RDF) et SPARQL sont des standards très populaires basés sur des graphes initialement conçus pour représenter et interroger des informations sur le Web. La flexibilité offerte par RDF a motivé son utilisation dans d'autres domaines. Aujourd'hui les jeux de données RDF sont d'excellentes sources d'information. Ils rassemblent des milliards de triplets dans des Knowledge Graphs qui doivent être stockés et exploités efficacement. La première génération de systèmes RDF a été construite sur des bases de données relationnelles traditionnelles. Malheureusement, les p

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Khelil, Abdallah. "Gestion et optimisation des données massives issues du Web Combining graph exploration and fragmentation for scalable rdf query processing Should We Be Afraid of Querying Billions of Triples in a Graph-Based Centralized System? EXGRAF : Exploration et Fragmentation de Graphes au Service du Traitement Scalable de Requˆetes RDF". Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2020. http://www.theses.fr/2020ESMA0009.

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Le Big Data représente un défi non seulement pour le monde socio-économique mais aussi pour la recherchescientifique. En effet, comme il a été souligné dans plusieurs articles scientifiques et rapports stratégiques, lesapplications informatiques modernes sont confrontées à de nouveaux problèmes qui sont liés essentiellement austockage et à l’exploitation de données générées par les instruments d’observation et de simulation. La gestion de tellesdonnées représente un véritable goulot d’étranglement qui a pour effet de ralentir la valorisation des différentesdonnées collectées non seulement dans

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3

Basse, Adrien. "Caractérisation incrémentale d'une base de triplets RDF." Nice, 2012. http://www.theses.fr/2012NICE4056.

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Nombreuses sont les applications web sémantique qui s’intéressent à la problématique de l’intégration de données issues de sources RDF distribuées. Pour l’exécution de requêtes distribuées, par exemple, plusieurs solutions sont ainsi proposées comme SPARQL 1. 1 Federation qui définit un ensemble d’extensions au langage de requête SPARQL. Si ces extensions permettent de déléguer une partie de requête à un ensemble de services, un problème majeur subsiste encore pour déterminer automatiquement en amont les services disposant de réponses pour une requête donnée. La résolution de ce problème est p

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4

Albahli, Saleh Mohammad. "Ontology-based approaches to improve RDF Triple Store." Kent State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=kent1456063330.

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Lhez, Jérémy. "Filtrage, stockage et raisonnement sur de grands volumes de triplets RDF ordonnancés." Thesis, Paris Est, 2018. http://www.theses.fr/2018PESC1122/document.

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Avec le développement et la multiplication des appareils connectés dans tous les domaines, de nouvelles solutions pour le traitement de flux de données ont vu le jour. Cette thèse s'inscrit dans ce contexte: elle a été réalisée dans le cadre du projet FUI Waves, une plateforme de traitement de flux distribués. Le cas d'usage pour le développement a été la gestion des données provenant d'un réseau de distribution d'eau potable, plus précisément la détection d'anomalie dans les mesures de qualité et leur contextualisation par rapport à des données extérieures. Plusieurs contributions ont été réa

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6

Bartolucci, Filippo. "Sviluppo di un sistema di ricerca per AI4EU." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/23033/.

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L’utilizzo di tecnologie basate su intelligenza artificiale crea nuove opportunità e questo ha portato a una grande crescita della domanda per questo tipo di applicazioni. AI4EU è un consorzio nato con lo scopo di creare la prima piattaforma europea on-demand dedicata all’intelligenza artificiale. La piattaforma è giovane, ma in crescita. A supportarla c’è il contributo di università ed enti europei e questo progetto di tesi si inserisce in questo contesto. Il catalogo di risorse offerto è vasto e include progetti di vario tipo, ma non ha un sistema che permetta di ricercarli. L’unico modo per

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7

Ingram, Sonja Sue. "Quantum State Singlet-Triplet Character Control in 7Li2." Diss., Temple University Libraries, 2010. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/63640.

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Physics<br>Ph.D.<br>We have demonstrated a means of quantum control by all-optical control of valence electron spin polarization in the lithium dimer. The energy levels of interest are two closely spaced rovibrational levels (the G1Πg (12, 21f) and 13Sg- (1, 21f) states separated by 720 MHz). In the absence of any optical fields, the spin-orbit interaction couples the two states, resulting in each state being a mixture of the pure singlet and pure triplet states. The initial mixing coefficients are governed by the strength of the spin-orbit coupling between the two levels. In lithium dimer, th

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8

Beck, William Earl. "Maya Eclipses: Modern Data, the Triple Tritos and The Double Tzolkin." Master's thesis, University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3407.

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The Eclipse Table, on pages 51-58, of the Dresden Codex has long fascinated Maya scholars. Researchers use the mean-value method of 173.3 days to determine nodal passage that is the place where eclipses can occur. These studies rely on Oppolzer's Eclipse Canon and Schram's Moon Phase Tables to verify eclipse occurrences. The newer canons of Jean Meeus and Bao-Lin Liu use decimal accuracy. What would be the effect of modern astronomical data on the previous studies and the Maya Eclipse Table? The study utilizes a general view of eclipses that includes eclipses not visible to the Maya. Lunar ecl

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Zammuto, Teresa. "Innovazione nel Semantic Web: Evoluzione della base di conoscenza semantica YAGO." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/11528/.

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La presente ricerca tratta lo studio delle basi di conoscenza, volto a facilitare la raccolta, l'organizzazione e la distribuzione della conoscenza. La scelta dell’oggetto è dovuta all'importanza sempre maggiore acquisita da questo ambito di ricerca e all'innovazione che esso è in grado di apportare nel campo del Web semantico. Viene analizzata la base di conoscenza YAGO: se ne descrivono lo stato dell’arte, le applicazioni e i progetti per sviluppi futuri. Il lavoro è stato condotto esaminando le pubblicazioni relative al tema e rappresenta una risorsa in lingua italiana sull'argomento.

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Mohammad, Syed N. "Application of Modeling and Simulation to Reduce Costs of Acquisition within Triple Constraints." Doctoral diss., University of Central Florida, 2012. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5341.

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A key component of defense acquisition programs operating using the Integrated Defense Acquisition, Technology, and Logistics Life Cycle Management System is the reliance on the triple constraints of cost, schedule, and performance. While the use of Modeling and Simulation tools and capabilities is prevalent and well established in the Research and Development, Analysis, and Training domains, acquisition programs have been reluctant to use Modeling and Simulation in any great depth due to inaccessibility of tools, Subject Matter Experts, and implications to cost and schedule. This presents a

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11

Claretti, Roberto. "Heat transfer study of a triple row impingement channel at large impingement heights." Honors in the Major Thesis, University of Central Florida, 2011. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/358.

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Advanced cooling techniques are required to increase the Brayton cycle temperature ratio necessary for the increase of the overall cycle's efficiency. Current turbine components are cooled with an array of internal cooling channels in the midchord section of the blade, pin fin arrays at the trailing edge and impingement channels in the leading edge. Impingement channels provide the designer with high convective coefficients on the target surface. Increasing the heat transfer coefficient of these channels has been a subject of research for the past 20 years. In the current study, a triple row i

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12

Yamada, Marcia. "Incidência de artrópodes e características fitotécnicas de lisianto (Eustoma grandiflorum (Raf.) Shinners) sob diferentes condições em cultivo protegido." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/183747.

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A utilização de malhas de sombreamento coloridas apresenta-se como uma nova abordagem tecnológica no manejo de flores e plantas ornamentais. O lisianto, Eustoma grandiflorum (Raf.) Shinners, é uma flor de vaso ou corte que desperta interesse de produtores e consumidores. Porém, existem poucas informações técnicas e científicas sobre a sua produção e manejo. Neste sentido, objetivou-se avaliar o crescimento e a incidência de artrópodes em duas cultivares de lisianto de corte, sob a influência de malhas de sombreamento coloridas em cultivo protegido comercial; e, avaliar a ocorrência de tripes e

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13

Lapointe, Thierry. "Etude microgravimétrique du site du Rif-Tort (Isère) détermination de la densité superficielle par la méthode des triplets, essai de modélisation des structures responsables des anomalies." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb37598949t.

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14

Beser, Bediha. "HIGH RESOLUTION INFRARED - INFRARED DOUBLE RESONANCE SPECTROSCOPY STUDY OF THE TRIPLET GROUND STATE OF THE RUBIDIUM DIMER." Diss., Temple University Libraries, 2010. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/74531.

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Physics<br>Ph.D.<br>This thesis consists of two parts. The first part is focused on the high resolution infrared-infrared (IRIR) double resonance spectroscopy study of the Rubidium dimer triplet ground state a3Σu+. We have observed fluorescence to this state for J=30, 50 and 70 rotational quantum numbers. We have used a perturbed pair of rovibrational levels in the A1Σu+ ~ b3Πu electronic states as an intermediate excitation step to the higher lying 23Πg state to get access by fluorescence decay to the a3Σu+ state. This allowed us to calculate the term values and the potential energy curve for

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15

Padgaonkar, Amol. "Discovery, Biological and Structural Characterization of ON108600, a Novel Kinase Inhibitor in Triple Negative Breast Cancer." Diss., Temple University Libraries, 2014. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/269327.

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Molecular Biology and Genetics<br>Ph.D.<br>Selective killing of tumor cells requires the identification of drug targets critical to pathways that drive or support cancer progression. Protein kinases are an important class of intracellular enzymes involved in the regulation of biochemical pathways, deregulation of these kinases has been strongly implicated in cancer progression. To identify possible oncogenic kinases to which tumor cells might be selectively addicted, we screened the ON108 series of ATP-mimetic small molecule inhibitors in various triple negative breast cancer (TNBC) and normal

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16

Amer, Ayman Salah-el-deen. "Cytoanalysis of pancreatic B-cells using an avian model, mammalian tissue culture and implications of antisense oligonucleotides transfection /." Huntington, WV : [Marshall University Libraries], 2004. http://www.marshall.edu/etd/descript.asp?ref=474.

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Theses (Ph. D.)--Marshall University, 2004.<br>Title from document title page. Includes abstract. Document formatted into pages: contains xiv, 192 p. including illustrations. Bibliography: p. 157-192.

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17

Youssef, Amir Samaan Bishara. "Improvement of Gastroparesis Management By Addressing Challenges in Drug Metabolism: Studies with Metabolite Identification, Reaction Phenotyping and In Vitro Drug-Drug Interactions." Diss., Temple University Libraries, 2013. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/231985.

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Pharmaceutical Sciences<br>Ph.D.<br>Gastroparesis is a disorder characterized by delayed gastric emptying due to chronic abnormal gastric motility. Prokinetic agents such as domperidone and metoclopramide are the cornerstone in treatment of gastroparesis. Although these medications have been used for decades, essential information about their metabolism is not available. Lack of knowledge about the metabolites formed in the body upon administration of the aforementioned medications as well as the enzymes involved in their metabolism limits key information needed to make sound medical decisions

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18

Guan, Yafei. "HIGH RESOLUTION LASER SPECTROSCOPIC STUDIES OF THE TRIPLET GROUND STATE, THE 23Πg STATE, AND THE COUPLED A~b STATES OF THE Rb2 DIMER MOLECULE." Diss., Temple University Libraries, 2014. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/301340.

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Physics<br>Ph.D.<br>The main focus of this work is using the infrared-infrared (IR-IR ) double resonance spectroscopic technique to study the 2³Πg, a³Σ⁺u triplet ground states, and the A¹Σ⁺u ~ b³Πu coupled states of the Rubidium dimer molecule. The initial analysis of the 2³Πg state involved separated analysis of the rotational and vibrational Bv and Gv functions to extract the molecular Dunham coefficients from the data. This was to avoid cross correlations between rotational and vibrational parameters because there was limited amount of rotational energy level data which included in additio

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de, Goes Bruno Barreto. "THE DIFFUSION OF CORPORATE SUSTAINABILITY IN GLOBAL SUPPLY NETWORKS: THEORETICAL AND EMPIRICAL PERSPECTIVES." Diss., Temple University Libraries, 2016. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/407666.

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Business Administration/International Business Administration<br>Ph.D.<br>The rapid increase in the adoption of global sourcing practices that took place in 1980’s led to significant transformations in traditional value chains, which were encompassed by single, vertically integrated organizations, and became globally dispersed networks of independent buyers and suppliers, where each of these firms performs specific value-adding activities that will ultimately result in that value chain’s final output. As concerns over the negative social and environmental impacts caused by industrial activity

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20

Yao, Liangbin. "HIGH CURRENT DENSITY LOW VOLTAGE ISOLATED DC-DC CONVERTERSWITH FAST TRANSIENT RESPONSE." Doctoral diss., University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3205.

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With the rapid development of microprocessor and semiconductor technology, industry continues to update the requirements for power supplies. For telecommunication and computing system applications, power supplies require increasing current level while the supply voltage keeps decreasing. For example, the Intel's CPU core voltage decreased from 2 volt in 1999 to 1 volt in 2005 while the supply current increased from 20A in 1999 to up to 100A in 2005. As a result, low-voltage high-current high efficiency dc-dc converters with high power-density are demanded for state-of-the-art applications and

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Ercan, Tolga. "Sustainability Analysis of Intelligent Transportation Systems." Master's thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5934.

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Commuters in urban areas suffer from traffic congestion on a daily basis. The increasing number of vehicles and vehicle miles traveled (VMT) are exacerbating this congested roadway problem for society. Although literature contains numerous studies that strive to propose solutions to this congestion problem, the problem is still prevalent today. Traffic congestion problem affects society's quality of life socially, economically, and environmentally. In order to alleviate the unsustainable impacts of the congested roadway problem, Intelligent Transportation Systems (ITS) has been utilized to imp

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22

Kucukvar, Murat. "Life Cycle Sustainability Assessment Framework for the U.S. Built Environment." Doctoral diss., University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5965.

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The overall goals of this dissertation are to investigate the sustainability of the built environment, holistically, by assessing its Triple Bottom Line (TBL): environmental, economic, and social impacts, as well as propose cost-effective, socially acceptable, and environmentally benign policies using several decision support models. This research is anticipated to transform life cycle assessment (LCA) of the built environment by using a TBL framework, integrated with economic input-output analysis, simulation, and multi-criteria optimization tools. The major objectives of the outlined researc

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23

Elliott, David B., Anna Vale, David J. Whitaker, and John G. Buckley. "Does my step look big in this? A visual illusion leads to safer stepping behaviour." Public Library of Science, 2009. http://hdl.handle.net/10454/3265.

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Background. Tripping is a common factor in falls and a typical safety strategy to avoid tripping on steps or stairs is to increase foot clearance over the step edge. In the present study we asked whether the perceived height of a step could be increased using a visual illusion and whether this would lead to the adoption of a safer stepping strategy, in terms of greater foot clearance over the step edge. The study also addressed the controversial question of whether motor actions are dissociated from visual perception. Methodology/Principal Findings. 21 young, healthy subjects perceived t

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24

Funes, Diego Leonardo. "Evaluation of relational database implementation of triple-stores." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-05-3713.

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The Resource Description Framework (RDF) is the logical data model of the Semantic Web. RDF encodes information as a directed graph using a set of labeled edges known formally as resource-property-value statements or, in common usage, as RDF triples or simply triples. Values recorded in RDF triple form are either Universal Resource Identifiers (URIs) or literals. The use of URIs allows links between distributed data sources, which enables a logical model of data as a graph spanning the Internet. SPARQL is a standard SQL-like query language on RDF triples. This report describes the translation

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Al-Ghezi, Ahmed Imad Aziz. "Universal Workload-based Graph Partitioning and Storage Adaption for Distributed RDF Stores." Doctoral thesis, 2020. http://hdl.handle.net/21.11130/00-1735-0000-0005-1537-6.

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26

Hart, Robert. "Extending dimensional modeling through the abstraction of data relationships and development of the semantic data warehouse." Thesis, 2017. https://dspace.library.uvic.ca//handle/1828/8832.

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The Kimball methodology, often referred to as dimensional modelling, is well established in data warehousing and business intelligence as a highly successful means for turning data into information. Yet weaknesses exist in the Kimball approach that make it difficult to rapidly extend or interrelate dimensional models in complex business areas such as Health Care. This Thesis looks at the development of a methodology that will provide for the rapid extension and interrelation of Kimball dimensional models. This is achieved through the use of techniques similar to those employed in the semantic

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