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Artykuły w czasopismach na temat "Semantic Web Services"

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McIlraith, S. A., T. C. Son i Honglei Zeng. "Semantic Web services". IEEE Intelligent Systems 16, nr 2 (marzec 2001): 46–53. http://dx.doi.org/10.1109/5254.920599.

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Parsia, Bijan. "Semantic Web Services". Bulletin of the American Society for Information Science and Technology 29, nr 4 (31.01.2005): 12–15. http://dx.doi.org/10.1002/bult.281.

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Hammami, Randa, Hatem Bellaaj i Ahmed Hadj Kacem. "Semantic Web Services Discovery". International Journal on Semantic Web and Information Systems 14, nr 4 (październik 2018): 57–72. http://dx.doi.org/10.4018/ijswis.2018100103.

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This article describes how Web services play an important role in several fields such as e-commerce and e-health. As the number of Web services is increasing rapidly, finding the best Web service according to users' requirements becomes more challenging. The traditional method of Web service discovery is based on keyword match. Due to this, many Web services which are most relevant to the user request are left undiscoverable. Some other emergent approaches are based on semantics to improve the quality of the discovered Web services in terms of relevance and satisfaction of user's need. In this paper, the authors present a survey of existing semantic Web services discovery approaches giving priority to relevant ones. Furthermore, this paper provides a critical and comparative analysis of the studied approaches and stands out major challenges to be addressed to substantially enhance the semantic Web service discovery.
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Paolucci, M., i K. Sycara. "Autonomous semantic web services". IEEE Internet Computing 7, nr 5 (wrzesień 2003): 34–41. http://dx.doi.org/10.1109/mic.2003.1232516.

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Qin, Li. "XBRL, semantic web and web services". International Journal of Business and Systems Research 5, nr 5 (2011): 443. http://dx.doi.org/10.1504/ijbsr.2011.042093.

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Bell, David, Christoph Bussler i Jian Yang. "The Semantic Web and Web Services". Information Systems 31, nr 4-5 (czerwiec 2006): 229–31. http://dx.doi.org/10.1016/j.is.2005.03.001.

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Albukhitan, Saeed, Ahmed Alnazer i Tarek Helmy. "Semantic Annotation of Arabic Web Resources Using Semantic Web Services". Procedia Computer Science 83 (2016): 504–11. http://dx.doi.org/10.1016/j.procs.2016.04.243.

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Slimani, Thabet. "Approaches for Semantic Web Service". International Journal of Service Science, Management, Engineering, and Technology 4, nr 3 (lipiec 2013): 18–36. http://dx.doi.org/10.4018/ijssmet.2013070102.

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The main objective of the exploitation of semantic descriptions of services through Semantics is a better support for the life-cycle of Web services. The large number of developed ontologies, languages of representations, and integrated frameworks supporting the discovery, composition and invocation of services are a good indicator that research in the field of semantic web service (SWS) has been considerably active. The authors provide in this paper a detailed overview of the approaches and solutions, indicating their core characteristics and objectives required and provide indicators for the interested reader to follow up further insights and details about these solutions and related software.
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Sharma, Meenakshi, i Vikas Goyal. "Enhancement in Semantic Web using Web Services". International Journal of Computer Applications 79, nr 16 (18.10.2013): 49–54. http://dx.doi.org/10.5120/13949-1953.

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Acuña, César J., Mariano Minoli i Esperanza Marcos. "Integrating Web Portals with Semantic Web Services". International Journal of Enterprise Information Systems 6, nr 1 (styczeń 2010): 57–67. http://dx.doi.org/10.4018/jeis.2010120205.

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Several systems integration proposals have been suggested over the years. However these proposals have mainly focused on data integration, not allowing users to take advantage of services offered by Web portals. Most of the mentioned proposals only provide a set of design principles to build integrated systems and lack in suggesting a systematic way of how to develop systems based on the integration architecture they propose. In previous work we have developed PISA (Web Portal Integration Architecture)—a Web portal integration architecture for data and services—and MIDAS-S, a methodological approach for the development of integrated Web portals, built according to PISA. This work shows, by means of a case study, how both proposals fit together integrating Web portals.
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Rozprawy doktorskie na temat "Semantic Web Services"

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Medjahed, Brahim. "Semantic Web Enabled Composition of Web Services". Diss., Virginia Tech, 2004. http://hdl.handle.net/10919/27364.

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In this dissertation, we present a novel approach for the automatic composition of Web services on the envisioned Semantic Web. Automatic service composition requires dealing with three major research thrusts: semantic description of Web services, composability of participant services, and generation of composite service descriptions. This dissertation deals with the aforementioned research issues. We first propose an ontology-based framework for organizing and describing semantic Web services. We introduce the concept of community to cluster Web services based on their domain of interest. Each community is defined as an instance of an ontology called community ontology. We then propose a composability model to check whether semantic Web services can be combined together, hence avoiding unexpected failures at run time. The model defines formal safeguards for meaningful composition through the use of composability rules. We also introduce the notions of composability degree and tau-composability to cater for partial and total composability. Based on the composability model, we propose a set of algorithms that automatically generate detailed descriptions of composite services from high-level specifications of composition requests. We introduce a Quality of Composition (QoC) model to assess the quality of the generated composite services. The techniques presented in this dissertation are implemented in WebDG, a prototype for accessing e-government Web services. Finally, we conduct an extensive performance study (analytical and experimental) of the proposed composition algorithms.
Ph. D.
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Gessler, Damian, Gary Schiltz, Greg May, Shulamit Avraham, Christopher Town, David Grant i Rex Nelson. "SSWAP: A Simple Semantic Web Architecture and Protocol for semantic web services". BioMed Central, 2009. http://hdl.handle.net/10150/610154.

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BACKGROUND:SSWAP (Simple Semantic Web Architecture and Protocol
pronounced "swap") is an architecture, protocol, and platform for using reasoning to semantically integrate heterogeneous disparate data and services on the web. SSWAP was developed as a hybrid semantic web services technology to overcome limitations found in both pure web service technologies and pure semantic web technologies.RESULTS:There are currently over 2400 resources published in SSWAP. Approximately two dozen are custom-written services for QTL (Quantitative Trait Loci) and mapping data for legumes and grasses (grains). The remaining are wrappers to Nucleic Acids Research Database and Web Server entries. As an architecture, SSWAP establishes how clients (users of data, services, and ontologies), providers (suppliers of data, services, and ontologies), and discovery servers (semantic search engines) interact to allow for the description, querying, discovery, invocation, and response of semantic web services. As a protocol, SSWAP provides the vocabulary and semantics to allow clients, providers, and discovery servers to engage in semantic web services. The protocol is based on the W3C-sanctioned first-order description logic language OWL DL. As an open source platform, a discovery server running at http://sswap.info webcite (as in to "swap info") uses the description logic reasoner Pellet to integrate semantic resources. The platform hosts an interactive guide to the protocol at http://sswap.info/protocol.jsp webcite, developer tools at http://sswap.info/developer.jsp webcite, and a portal to third-party ontologies at http://sswapmeet.sswap.info webcite (a "swap meet").CONCLUSION:SSWAP addresses the three basic requirements of a semantic web services architecture (i.e., a common syntax, shared semantic, and semantic discovery) while addressing three technology limitations common in distributed service systems: i.e., i) the fatal mutability of traditional interfaces, ii) the rigidity and fragility of static subsumption hierarchies, and iii) the confounding of content, structure, and presentation. SSWAP is novel by establishing the concept of a canonical yet mutable OWL DL graph that allows data and service providers to describe their resources, to allow discovery servers to offer semantically rich search engines, to allow clients to discover and invoke those resources, and to allow providers to respond with semantically tagged data. SSWAP allows for a mix-and-match of terms from both new and legacy third-party ontologies in these graphs.
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Hull, Duncan. "Semantic matching of bioinformatic web services". Thesis, University of Manchester, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.497578.

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Understanding bioinformatic data on the Web often requires the interoperation of heterogeneous and autonomous services. Unfortunately, getting many different services to interoperate is problematic, and frequently requires cumbersome shim components which can be difficult to describe and discover using existing techniques. The use of description logic reasoning has been proposed as a method for improving discovery of services, by classifying advertisements and matchmaking them with requests on the semantic Web. However, theoretical approaches to reasoning with semantic Web services have not been adequately tested on realistic scenarios while practical approaches have not fully investigated or applied useful aspects of current theory.
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Alfaries, Auhood. "Ontology learning for Semantic Web Services". Thesis, Brunel University, 2010. http://bura.brunel.ac.uk/handle/2438/4667.

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The expansion of Semantic Web Services is restricted by traditional ontology engineering methods. Manual ontology development is time consuming, expensive and a resource exhaustive task. Consequently, it is important to support ontology engineers by automating the ontology acquisition process to help deliver the Semantic Web vision. Existing Web Services offer an affluent source of domain knowledge for ontology engineers. Ontology learning can be seen as a plug-in in the Web Service ontology development process, which can be used by ontology engineers to develop and maintain an ontology that evolves with current Web Services. Supporting the domain engineer with an automated tool whilst building an ontological domain model, serves the purpose of reducing time and effort in acquiring the domain concepts and relations from Web Service artefacts, whilst effectively speeding up the adoption of Semantic Web Services, thereby allowing current Web Services to accomplish their full potential. With that in mind, a Service Ontology Learning Framework (SOLF) is developed and applied to a real set of Web Services. The research contributes a rigorous method that effectively extracts domain concepts, and relations between these concepts, from Web Services and automatically builds the domain ontology. The method applies pattern-based information extraction techniques to automatically learn domain concepts and relations between those concepts. The framework is automated via building a tool that implements the techniques. Applying the SOLF and the tool on different sets of services results in an automatically built domain ontology model that represents semantic knowledge in the underlying domain. The framework effectiveness, in extracting domain concepts and relations, is evaluated by its appliance on varying sets of commercial Web Services including the financial domain. The standard evaluation metrics, precision and recall, are employed to determine both the accuracy and coverage of the learned ontology models. Both the lexical and structural dimensions of the models are evaluated thoroughly. The evaluation results are encouraging, providing concrete outcomes in an area that is little researched.
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Gooneratne, Nalaka Dilshan, i s3034554@student rmit edu au. "Discovery and Validation for Composite Services on the Semantic Web". RMIT University. Computer Science and Information Technology, 2009. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20091019.155524.

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Current technology for locating and validating composite services are not sufficient due to the following reasons. • Current frameworks do not have the capacity to create complete service descriptions since they do not model all the functional aspects together (i.e. the purpose of a service, state transitions, data transformations). Those that deal with behavioural descriptions are unable to model the ordering constraints between concurrent interactions completely since they do not consider the time taken by interactions. Furthermore, there is no mechanism to assess the correctness of a functional description. • Existing semantic-based matching techniques cannot locate services that conform to global constraints. Semantic-based techniques use ontological relationships to perform mappings between the terms in service descriptions and user requests. Therefore, unlike techniques that perform either direct string matching or schema matching, semantic-based approaches can match descriptions created with different terminologies and achieve a higher recall. Global constraints relate to restrictions on values of two or more attributes of multiple constituent services. • Current techniques that generate and validate global communication models of composite services yield inaccurate results (i.e. detect phantom deadlocks or ignore actual deadlocks) since they either (i) do not support all types of interactions (i.e. only send and receive, not service and invoke) or (ii) do not consider the time taken by interactions. This thesis presents novel ideas to deal with the stated limitations. First, we propose two formalisms (WS-ALUE and WS-π-calculus) for creating functional and behavioural descriptions respectively. WS-ALUE extends the Description Logic language ALUE with some new predicates and models all the functional aspects together. WS-π-calculus extends π-calculus with Interval Time Logic (ITL) axioms. ITL axioms accurately model temporal relationships between concurrent interactions. A technique comparing a WS-π-calculus description of a service against its WS-ALUE description is introduced to detect any errors that are not equally reflected in both descriptions. We propose novel semantic-based matching techniques to locate composite services that conform to global constraints. These constraints are of two types: strictly dependent or independent. A constraint is of the former type if the values that should be assigned to all the remaining restricted attributes can be uniquely determined once a value is assigned to one. Any global constraint that is not strictly dependent is independent. A complete and correct technique that locates services that conform to strictly dependent constraints in polynomial time, is defined using a three-dimensional data cube. The proposed approach that deals with independent constraints is correct, but not complete, and is a heuristic approach. It incorporates user defined objective functions, greedy algorithms and domain rules to locate conforming services. We propose a new approach to generate global communication models (of composite services) that are free of deadlocks and synchronisation conflicts. This approach is an extension of a transitive temporal reasoning mechanism.
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Bennara, Mahdi. "Linked service integration on the semantic web". Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEI055.

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L'informatique orientée services facilite l'interopérabilité entre les systèmes distribues. Depuis quelques années, l'émergence du Web sémantique a pose de nouveaux défis pour la communauté de recherche dans les calculs et la compatibilité sémantique des données. L'approche « services » et le Web sémantique constituent une piste prometteuse pour remédier aux problèmes qui entravent les deux domaines. D'une part l'orientation services permet d'assurer l'interopérabilité des données et des traitements au niveau sémantique, et d'autre part le Web sémantique permet d'automatiser les taches de manipulation de services à un haut niveau. Dans le cadre de notre travail de recherche, nous avons détaillé les défis que rencontre la communauté de chercheurs dans l'intégration des pratiques de l'orientation services dans le Web sémantique, et plus particulièrement l'intégration des services REST dans l'implémentation du Web qui repose sur les principes du « Linked Data » pour constituer ce que l'on appelle les « RESTful Linked Services ». Les défis en question sont : La description, la découverte, la sélection et la composition. Nous avons proposé une solution pour chacun de ces défis. Les contributions que nous avons proposées sont : la structure de descripteur, un algorithme de découverte sémantique, un algorithme de sélection base sur Skyline et les répertoires de composition. Nous pensons que l'ensemble de contributions que nous avons proposées peut être adopte par les fournisseurs de services sur le Web afin de faciliter l'intégration des pratiques du sémantique Web avec les technologies des services et de REST en particulier. Ceci permettra donc d'automatiser les taches de manipulation de services a un haut niveau, tel que la découverte sur la base de concepts sémantiques, la sélection sur la base de propriétés non-fonctionnelles et de qualité de services et la composition de plusieurs services hétérogènes, sur le plan des données ainsi que sur le plan des traitements, afin d'obtenir des services composites avec de la valeur ajoutée
Service Oriented Computing allows interoperability between distributed systems. In the last years, the emergence of the semantic Web opened new challenges for the research community regarding semantic interoperability on the data and processing levels. The convergence of service orientation and the semantic Web together is a promising effort to solve the problems that hampered both research fields. On the one hand, service orientation allows interoperability on the data and processing levels, and on the other hand, semantic Web allows the automation of high-level service manipulation tasks. In our research, we detail the challenges encountered by the research community to integrate the service orientation practices with the semanticWeb, more precisely, integrating REST-based services with the semantic Web implementation based on Linked Data principles to obtain RESTful Linked Services. The challenges in question are : description, discovery, selection and composition. We proposed a solution for each of these challenges. The contributions we proposed are : The descriptor structure, a semantically-enabled discovery algorithm, a Skyline-based selection algorithm and composition directories. We think that these contributions can be adopted by service providers on the Web in order to allow a seamless integration of semantic Web practices with the service technologies and REST in particular. This allows the automation of high-level service manipulation tasks, such as semantically-enabled discovery, QoS-based selection and the composition of heterogeneous services, be it on the data or processing level, in order to create value-added composite services
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Kardas, Karani. "Semantic Processes For Constructing Composite Web Services". Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608715/index.pdf.

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In Web service composition, service discovery and combining suitable services through determination of interoperability among different services are important operations. Utilizing semantics improves the quality and facilitates automation of these operations. There are several previous approaches for semantic service discovery and service matching. In this work, we exploit and extend these semantic approaches in order to make Web service composition process more facilitated, less error prone and more automated. This work includes a service discovery and service interoperability checking technique which extends the previous semantic matching approaches. In addition to this, as a guidance system for the user, a new semantic domain model is proposed that captures semantic relations between concepts in various ontologies.
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CONDACK, JOAO FELIPE SANTOS. "SWELL: A SEMANTIC WEB-SERVICES SELECTION ENVIRONMENT". PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2004. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=5671@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO
Inicialmente a Internet era um canal de comunicação e distribuição de conteúdo textual. Com o advento do comércio eletrônico e a maturação da própria Web, ela se tornou uma plataforma de implantação de sistemas. Paralelamente, o próprio desenvolvimento de software evoluiu, com aplicações de novos conceitos da engenharia de software, tais como componentes, reuso e design patterns. No intuito de desenvolver práticas e tecnologias que aperfeiçoem a construção de softwares decidiu-se, neste trabalho, por conciliar estas duas tendências evolutivas. Swell é um ambiente para o auxílio no desenvolvimento de Sistemas Baseados na Web (SBWs), tendo como ponto forte a seleção semântica de web services. Trata-se de uma ferramenta cujo objetivo é ajudar nas tarefas de design e construção de aplicações, visando atingir alto grau de reuso. Este auxílio se dá através da descrição, busca e escolha de serviços para composição de aplicações. O ambiente Swell foi pensado de modo a dar suporte à evolução das tecnologias de componentes para Web. Ele provê pontos de flexibilização permitindo adaptação a novas descrições de web services e refletindo estas mudanças no mecanismo de busca.
Initially the Internet was a communication channel and a text-based content dissemination vehicle. With the advent of e-commerce and Web's unfolding, it became a systems deployment platform. At the same time, software development also evolved, through the use of new software engineering concepts, such as components, reuse and design patterns. This work aims at helping to develop practices and technologies that improve software development by conciliating these two evolution trends. Swell is an environment that helps Web Based Systems development, having as a cornerstone the semantic selection of web- services. It is a tool whose objective is to help in the application design and development tasks, aiming to reach a high degree of reuse. This is achieved through the support for the description, search and selection of web services for application composition. The Swell environment was conceived as a framework with support for the evolution of web components technologies. It provides hot spots that allow for adaptation of new web services descriptions and reflection of these changes in the search engine.
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Buttler, David John. "Building blocks for composable web services". Diss., Available online, Georgia Institute of Technology, 2004:, 2003. http://etd.gatech.edu/theses/available/etd-04082004-180046/unrestricted/buttler%5Fdavid%5F200312%5Fphd.pdf.

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Ziembicki, Joanna. "Distributed Search in Semantic Web Service Discovery". Thesis, University of Waterloo, 2006. http://hdl.handle.net/10012/1103.

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This thesis presents a framework for semantic Web Service discovery using descriptive (non-functional) service characteristics in a large-scale, multi-domain setting. The framework uses Web Ontology Language for Services (OWL-S) to design a template for describing non-functional service parameters in a way that facilitates service discovery, and presents a layered scheme for organizing ontologies used in service description. This service description scheme serves as a core for desigining the four main functions of a service directory: a template-based user interface, semantic query expansion algorithms, a two-level indexing scheme that combines Bloom filters with a Distributed Hash Table, and a distributed approach for storing service description. The service directory is, in turn, implemented as an extension of the Open Service Discovery Architecture.

The search algorithms presented in this thesis are designed to maximize precision and completeness of service discovery, while the distributed design of the directory allows individual administrative domains to retain a high degree of independence and maintain access control to information about their services.
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Książki na temat "Semantic Web Services"

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Studer, Rudi, Stephan Grimm i Andreas Abecker, red. Semantic Web Services. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/3-540-70894-4.

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Blake, Brian, Liliana Cabral, Birgitta König-Ries, Ulrich Küster i David Martin, red. Semantic Web Services. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28735-0.

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Fensel, Dieter, Federico Michele Facca, Elena Simperl i Ioan Toma. Semantic Web Services. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19193-0.

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Fensel, Dieter. Semantic Web Services. Berlin, Heidelberg: Springer-Verlag Berlin Heidelberg, 2011.

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Introduction to Semantic Web and Semantic Web services. Boca Raton, FL: CRC Press, 2007.

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Yu, Liyang. Introduction to Semantic Web and Semantic Web services. Boca Raton, FL: Chapman & Hall/CRC, 2007.

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Fensel, Dieter, Holger Lausen, Jos de Bruijn, Michael Stollberg, Dumitru Roman, Axel Polleres i John Domingue. Enabling Semantic Web Services. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-34520-6.

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Petrie, Charles, Tiziana Margaria, Holger Lausen i Michal Zaremba, red. Semantic Web Services Challenge. Boston, MA: Springer US, 2009. http://dx.doi.org/10.1007/978-0-387-72496-6.

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de Bruijn, Jos, Dieter Fensel, Mick Kerrigan, Uwe Keller, Holger Lausen i James Scicluna. Modeling Semantic Web Services. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-68172-4.

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Fensel, Dieter, Mick Kerrigan i Michal Zaremba, red. Implementing Semantic Web Services. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-77020-6.

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Części książek na temat "Semantic Web Services"

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Fensel, Dieter, Federico Michele Facca, Elena Simperl i Ioan Toma. "Web Services". W Semantic Web Services, 37–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19193-0_4.

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Fensel, Dieter, Federico Michele Facca, Elena Simperl i Ioan Toma. "Semantic Web". W Semantic Web Services, 87–104. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19193-0_6.

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Wang, Shu, Qi Wang, Haitao Gong i Phillip C. y. Sheu. "Semantic Web Services". W Semantic Computing, 285–99. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470588222.ch14.

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Fensel, Dieter, Federico Michele Facca, Elena Simperl i Ioan Toma. "Web Science". W Semantic Web Services, 9–24. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19193-0_2.

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Sikos, Leslie F. "Semantic Web Services". W Mastering Structured Data on the Semantic Web, 121–43. Berkeley, CA: Apress, 2015. http://dx.doi.org/10.1007/978-1-4842-1049-9_5.

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Bruijn, Jos de, Mick Kerrigan, Michal Zaremba i Dieter Fensel. "Semantic Web Services". W Handbook on Ontologies, 617–36. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-92673-3_28.

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Pedrinaci, Carlos, John Domingue i Amit P. Sheth. "Semantic Web Services". W Handbook of Semantic Web Technologies, 977–1035. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-540-92913-0_22.

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Martin, David. "Semantic Web Services". W Encyclopedia of Database Systems, 1–2. New York, NY: Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4899-7993-3_1321-2.

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Martin, David. "Semantic Web Services". W Encyclopedia of Database Systems, 2586–87. Boston, MA: Springer US, 2009. http://dx.doi.org/10.1007/978-0-387-39940-9_1321.

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Martin, David. "Semantic Web Services". W Encyclopedia of Database Systems, 3433–35. New York, NY: Springer New York, 2018. http://dx.doi.org/10.1007/978-1-4614-8265-9_1321.

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Streszczenia konferencji na temat "Semantic Web Services"

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Channa, Nizamuddin, Shanping Li, Wei Shi i Gang Peng. "A CAN-Based P2P Infrastructure for Semantic Web Services". W ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-85676.

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After merger of Web Services and Semantic Web, Semantic Web Services (SWS) has received a lot of attention from researchers due to its ability of automatic Web Service discovery, execution and composition. Currently Web Service systems, which publish WSDL-described Web Services in UDDIs, cannot support SWS and UDDI has become the bottleneck of the whole system and would cause single node failure problems. Therefore, we propose a CAN-based P2P system to replace traditional UDDI, by distributing the functions of the UDDI among all the peers in the P2P network. At the same time, we design an ontology-based mechanism, guaranteeing every service would be registered on a specific peer in the CAN-based P2P network, according to the service’s ontology. By replacing the UDDI, our system improves the scalability and stability of the SWS system, and realizes an efficient ontology-based discovery of Semantic Web Services.
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Prazeres, Cássio V. S., Cesar A. C. Teixeira, Ethan V. Munson i Maria da Graça C. Pimentel. "Semantic web services". W the 2009 ACM symposium. New York, New York, USA: ACM Press, 2009. http://dx.doi.org/10.1145/1529282.1529421.

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Celik, Duygu, i Atilla Elci. "Semantic Web Enabled Composition of Semantic Web Services". W 2009 33rd Annual IEEE International Computer Software and Applications Conference. IEEE, 2009. http://dx.doi.org/10.1109/compsac.2009.113.

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Llambías, Guzmán, Regina Motz, Alvaro Rettich i Marco Scalone. "Multidimensional Semantic Web Services Matching". W 2008 Latin American Web Conference (LA-WEB). IEEE, 2008. http://dx.doi.org/10.1109/la-web.2008.13.

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Stollberg, M., i A. Haller. "Semantic Web services tutorial". W 2005 IEEE International Conference on Services Computing (SCC'05) Vol-1. IEEE, 2005. http://dx.doi.org/10.1109/scc.2005.81.

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Stollberg, M., i A. Haller. "Semantic Web Services Tutorial". W IEEE International Conference on Web Services (ICWS'05). IEEE, 2005. http://dx.doi.org/10.1109/icws.2005.105.

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Kopecky, J., D. Roman, M. Moran i D. Fensel. "Semantic Web Services Grounding". W Advanced Int'l Conference on Telecommunications and Int'l Conference on Internet and Web Applications and Services (AICT-ICIW'06). IEEE, 2006. http://dx.doi.org/10.1109/aict-iciw.2006.165.

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Acuña, César J., i Esperanza Marcos. "Modeling semantic web services". W the 6th international conference. New York, New York, USA: ACM Press, 2006. http://dx.doi.org/10.1145/1145581.1145588.

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Ngan, Le Duy, Markus Kir i Rajaraman Kanagasabai. "Review of Semantic Web Service Discovery Methods". W 2010 IEEE Congress on Services (SERVICES). IEEE, 2010. http://dx.doi.org/10.1109/services.2010.85.

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Nakamura, Luis H. V., Julio C. Estrella, Marcos J. Santana i Regina H. C. Santana. "Semantic Web and Ontology applied to Web Services Discovery with QoS". W Simpósio em Sistemas Computacionais de Alto Desempenho. Sociedade Brasileira de Computação, 2011. http://dx.doi.org/10.5753/wscad.2011.17265.

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This paper presents a study on the use of Semantic Web and Ontology created with the OWL (Web Ontology Language) to sort and selectWeb Services according to its Quality of Service (QoS) attributes. The focus of this paper is to evaluate the performance of this approach in accordance with some adopted parameters. To this end, two algorithms that use Semantic Web resources have been developed in order to make the discovery of appropriate Web Services in the ontology. At the end of this article, the results of a performance evaluation are presented and analyzed.
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Raporty organizacyjne na temat "Semantic Web Services"

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Gruninger, Michael. Applications of PSL to semantic web services. Gaithersburg, MD: National Institute of Standards and Technology, 2004. http://dx.doi.org/10.6028/nist.ir.7165.

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Sadeh, Norman M. Semantic Web Technologies for Mobile Context-Aware Services. Fort Belvoir, VA: Defense Technical Information Center, marzec 2006. http://dx.doi.org/10.21236/ada449095.

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McGuinness, Deborah. Development of Semantic Web - Markup Languages, Web Services, Rules, Explanation, Querying, Proof and Reasoning. Fort Belvoir, VA: Defense Technical Information Center, lipiec 2008. http://dx.doi.org/10.21236/ada484611.

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Sycara, Katia P. Semantic Web Services with Web Ontology Language (OWL-S) - Specification of Agent-Services for DARPA Agent Markup Language (DAML). Fort Belvoir, VA: Defense Technical Information Center, sierpień 2006. http://dx.doi.org/10.21236/ada457387.

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Brandt, Sebastian, Anni-Yasmin Turhan i Ralf Küsters. Foundations of non-standard inferences for DLs with transitive roles. Technische Universität Dresden, 2003. http://dx.doi.org/10.25368/2022.127.

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Description Logics (DLs) are a family of knowledge representation formalisms used for terminological reasoning. They have a wide range of applications such as medical knowledge-bases, or the semantic web. Research on DLs has been focused on the development of sound and complete inference algorithms to decide satisfiability and subsumption for increasingly expressive DLs. Non-standard inferences are a group of relatively new inference services which provide reasoning support for the building, maintaining, and deployment of DL knowledge-bases. So far, non-standard inferences are not available for very expressive DLs. In this paper we present first results on non-standard inferences for DLs with transitive roles. As a basis, we give a structural characterization of subsumption for DLs where existential and value restrictions can be imposed on transitive roles. We propose sound and complete algorithms to compute the least common subsumer (lcs).
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Rao, Jinghai, i Norman Sadeh. Interleaving Semantic Web Reasoning and Service Discovery to Enforce Context-Sensitive Security and Privacy Policies. Fort Belvoir, VA: Defense Technical Information Center, lipiec 2005. http://dx.doi.org/10.21236/ada456148.

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Baader, Franz, Oliver Fernández Gil i Barbara Morawska. Hybrid Unification in the Description Logic EL. Technische Universität Dresden, 2013. http://dx.doi.org/10.25368/2022.197.

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Unification in Description Logics (DLs) has been proposed as an inference service that can, for example, be used to detect redundancies in ontologies. For the DL EL, which is used to define several large biomedical ontologies, unification is NP-complete. However, the unification algorithms for EL developed until recently could not deal with ontologies containing general concept inclusions (GCIs). In a series of recent papers we have made some progress towards addressing this problem, but the ontologies the developed unification algorithms can deal with need to satisfy a certain cycle restriction. In the present paper, we follow a different approach. Instead of restricting the input ontologies, we generalize the notion of unifiers to so-called hybrid unifiers. Whereas classical unifiers can be viewed as acyclic TBoxes, hybrid unifiers are cyclic TBoxes, which are interpreted together with the ontology of the input using a hybrid semantics that combines fixpoint and descriptive semantics. We show that hybrid unification in EL is NP-complete and introduce a goal-oriented algorithm for computing hybrid unifiers.
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Pikilnyak, Andrey V., Nadia M. Stetsenko, Volodymyr P. Stetsenko, Tetiana V. Bondarenko i Halyna V. Tkachuk. Comparative analysis of online dictionaries in the context of the digital transformation of education. [б. в.], czerwiec 2021. http://dx.doi.org/10.31812/123456789/4431.

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The article is devoted to a comparative analysis of popular online dictionaries and an overview of the main tools of these resources to study a language. The use of dictionaries in learning a foreign language is an important step to understanding the language. The effectiveness of this process increases with the use of online dictionaries, which have a lot of tools for improving the educational process. Based on the Alexa Internet resource it was found the most popular online dictionaries: Cambridge Dictionary, Wordreference, Merriam–Webster, Wiktionary, TheFreeDictionary, Dictionary.com, Glosbe, Collins Dictionary, Longman Dictionary, Oxford Dictionary. As a result of the deep analysis of these online dictionaries, we found out they have the next standard functions like the word explanations, transcription, audio pronounce, semantic connections, and examples of use. In propose dictionaries, we also found out the additional tools of learning foreign languages (mostly English) that can be effective. In general, we described sixteen functions of the online platforms for learning that can be useful in learning a foreign language. We have compiled a comparison table based on the next functions: machine translation, multilingualism, a video of pronunciation, an image of a word, discussion, collaborative edit, the rank of words, hints, learning tools, thesaurus, paid services, sharing content, hyperlinks in a definition, registration, lists of words, mobile version, etc. Based on the additional tools of online dictionaries we created a diagram that shows the functionality of analyzed platforms.
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Brandt, Sebastian, Ralf Küsters i Anni-Yasmin Turhan. Approximation and Difference in Description Logics. Aachen University of Technology, 2001. http://dx.doi.org/10.25368/2022.116.

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Approximation is a new inference service in Description Logics first mentioned by Baader, Küsters, and Molitor. Approximating a concept, defined in one Description Logic, means to translate this concept to another concept, defined in a second typically less expressive Description Logic, such that both concepts are as closely related as possible with respect to subsumption. The present paper provides the first in-depth investigation of this inference task. We prove that approximations from the Description Logic ALC to ALE always exist and propose an algorithm computing them. As a measure for the accuracy of the approximation, we introduce a syntax-oriented difference operator, which yields a concept description that contains all aspects of the approximated concept that are not present in the approximation. It is also argued that a purely semantical difference operator, as introduced by Teege, is less suited for this purpose. Finally, for the logics under consideration, we propose an algorithm computing the difference.
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