Search (14 results, page 1 of 1)

0.020506538 = product of:
  0.06151961 = sum of:
    0.06151961 = sum of:
      0.029585622 = weight(_text_:management in 1155) [ClassicSimilarity], result of:
        0.029585622 = score(doc=1155,freq=4.0), product of:
          0.16050325 = queryWeight, product of:
            3.3706124 = idf(docFreq=4130, maxDocs=44218)
            0.047618426 = queryNorm
          0.18433036 = fieldWeight in 1155, product of:
            2.0 = tf(freq=4.0), with freq of:
              4.0 = termFreq=4.0
            3.3706124 = idf(docFreq=4130, maxDocs=44218)
            0.02734375 = fieldNorm(doc=1155)
      0.03193399 = weight(_text_:22 in 1155) [ClassicSimilarity], result of:
        0.03193399 = score(doc=1155,freq=4.0), product of:
          0.16675162 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.047618426 = queryNorm
          0.19150631 = fieldWeight in 1155, product of:
            2.0 = tf(freq=4.0), with freq of:
              4.0 = termFreq=4.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.02734375 = fieldNorm(doc=1155)
  0.33333334 = coord(1/3)

Abstract

The MTSR 2013 program and the contents of these proceedings show a rich diversity of research and practices, drawing on problems from metadata and semantically focused tools and technologies, linked data, cross-language semantics, ontologies, metadata models, and semantic system and metadata standards. The general session of the conference included 18 papers covering a broad spectrum of topics, proving the interdisciplinary field of metadata, and was divided into three main themes: platforms for research data sets, system architecture and data management; metadata and ontology validation, evaluation, mapping and interoperability; and content management. Metadata as a research topic is maturing, and the conference also supported the following five tracks: Metadata and Semantics for Open Repositories, Research Information Systems and Data Infrastructures; Metadata and Semantics for Cultural Collections and Applications; Metadata and Semantics for Agriculture, Food and Environment; Big Data and Digital Libraries in Health, Science and Technology; and European and National Projects, and Project Networking. Each track had a rich selection of papers, giving broader diversity to MTSR, and enabling deeper exploration of significant topics.

Date

17.12.2013 12:51:22

0.012200906 = product of:
  0.036602717 = sum of:
    0.036602717 = product of:
      0.073205434 = sum of:
        0.073205434 = weight(_text_:management in 5204) [ClassicSimilarity], result of:
          0.073205434 = score(doc=5204,freq=12.0), product of:
            0.16050325 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.047618426 = queryNorm
            0.45609936 = fieldWeight in 5204, product of:
              3.4641016 = tf(freq=12.0), with freq of:
                12.0 = termFreq=12.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.0390625 = fieldNorm(doc=5204)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Content

Introduction.- Ontology Development.- Compliance using Metadata.- Variety Management for Big Data.- Text Mining in Economics.- Generation of Natural Language Texts.- Sentiment Analysis.- Building Concise Text Corpora from Web Contents.- Ontology-Based Modelling of Web Content.- Personalized Clinical Decision Support for Cancer Care.- Applications of Temporal Conceptual Semantic Systems.- Context-Aware Documentation in the Smart Factory.- Knowledge-Based Production Planning for Industry 4.0.- Information Exchange in Jurisdiction.- Supporting Automated License Clearing.- Managing cultural assets: Implementing typical cultural heritage archive's usage scenarios via Semantic Web technologies.- Semantic Applications for Process Management.- Domain-Specific Semantic Search Applications.

LCSH

Management information systems
Management of Computing and Information Systems

Subject

Management information systems
Management of Computing and Information Systems

0.008627344 = product of:
  0.02588203 = sum of:
    0.02588203 = product of:
      0.05176406 = sum of:
        0.05176406 = weight(_text_:management in 3934) [ClassicSimilarity], result of:
          0.05176406 = score(doc=3934,freq=6.0), product of:
            0.16050325 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.047618426 = queryNorm
            0.32251096 = fieldWeight in 3934, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3934)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Abstract

This volume contains the lecture notes of the 13th Reasoning Web Summer School, RW 2017, held in London, UK, in July 2017. In 2017, the theme of the school was "Semantic Interoperability on the Web", which encompasses subjects such as data integration, open data management, reasoning over linked data, database to ontology mapping, query answering over ontologies, hybrid reasoning with rules and ontologies, and ontology-based dynamic systems. The papers of this volume focus on these topics and also address foundational reasoning techniques used in answer set programming and ontologies.

LCSH

Database management

Subject

Database management

0.008453036 = product of:
  0.025359105 = sum of:
    0.025359105 = product of:
      0.05071821 = sum of:
        0.05071821 = weight(_text_:management in 1152) [ClassicSimilarity], result of:
          0.05071821 = score(doc=1152,freq=4.0), product of:
            0.16050325 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.047618426 = queryNorm
            0.31599492 = fieldWeight in 1152, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.046875 = fieldNorm(doc=1152)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

LCSH

Database management

Subject

Database management

0.008453036 = product of:
  0.025359105 = sum of:
    0.025359105 = product of:
      0.05071821 = sum of:
        0.05071821 = weight(_text_:management in 3274) [ClassicSimilarity], result of:
          0.05071821 = score(doc=3274,freq=4.0), product of:
            0.16050325 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.047618426 = queryNorm
            0.31599492 = fieldWeight in 3274, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.046875 = fieldNorm(doc=3274)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

LCSH

Database management

Subject

Database management

0.007969598 = product of:
  0.023908794 = sum of:
    0.023908794 = product of:
      0.047817588 = sum of:
        0.047817588 = weight(_text_:management in 5329) [ClassicSimilarity], result of:
          0.047817588 = score(doc=5329,freq=8.0), product of:
            0.16050325 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.047618426 = queryNorm
            0.29792285 = fieldWeight in 5329, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.03125 = fieldNorm(doc=5329)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Abstract

This book describes efficient and effective techniques for harnessing the power of Linked Data by tackling the various aspects of managing its growing volume: storing, querying, reasoning, provenance management and benchmarking. To this end, Chapter 1 introduces the main concepts of the Semantic Web and Linked Data and provides a roadmap for the book. Next, Chapter 2 briefly presents the basic concepts underpinning Linked Data technologies that are discussed in the book. Chapter 3 then offers an overview of various techniques and systems for centrally querying RDF datasets, and Chapter 4 outlines various techniques and systems for efficiently querying large RDF datasets in distributed environments. Subsequently, Chapter 5 explores how streaming requirements are addressed in current, state-of-the-art RDF stream data processing. Chapter 6 covers performance and scaling issues of distributed RDF reasoning systems, while Chapter 7 details benchmarks for RDF query engines and instance matching systems. Chapter 8 addresses the provenance management for Linked Data and presents the different provenance models developed. Lastly, Chapter 9 offers a brief summary, highlighting and providing insights into some of the open challenges and research directions. Providing an updated overview of methods, technologies and systems related to Linked Data this book is mainly intended for students and researchers who are interested in the Linked Data domain. It enables students to gain an understanding of the foundations and underpinning technologies and standards for Linked Data, while researchers benefit from the in-depth coverage of the emerging and ongoing advances in Linked Data storing, querying, reasoning, and provenance management systems. Further, it serves as a starting point to tackle the next research challenges in the domain of Linked Data management.

0.007526913 = product of:
  0.02258074 = sum of:
    0.02258074 = product of:
      0.04516148 = sum of:
        0.04516148 = weight(_text_:22 in 3283) [ClassicSimilarity], result of:
          0.04516148 = score(doc=3283,freq=2.0), product of:
            0.16675162 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.047618426 = queryNorm
            0.2708308 = fieldWeight in 3283, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0546875 = fieldNorm(doc=3283)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

0.007044196 = product of:
  0.021132588 = sum of:
    0.021132588 = product of:
      0.042265177 = sum of:
        0.042265177 = weight(_text_:management in 2192) [ClassicSimilarity], result of:
          0.042265177 = score(doc=2192,freq=4.0), product of:
            0.16050325 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.047618426 = queryNorm
            0.2633291 = fieldWeight in 2192, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2192)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

LCSH

Database management

Subject

Database management

0.00645164 = product of:
  0.019354919 = sum of:
    0.019354919 = product of:
      0.038709838 = sum of:
        0.038709838 = weight(_text_:22 in 3197) [ClassicSimilarity], result of:
          0.038709838 = score(doc=3197,freq=2.0), product of:
            0.16675162 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.047618426 = queryNorm
            0.23214069 = fieldWeight in 3197, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=3197)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Date

24. 8.2016 14:03:22

0.004980999 = product of:
  0.014942996 = sum of:
    0.014942996 = product of:
      0.029885992 = sum of:
        0.029885992 = weight(_text_:management in 414) [ClassicSimilarity], result of:
          0.029885992 = score(doc=414,freq=2.0), product of:
            0.16050325 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.047618426 = queryNorm
            0.18620178 = fieldWeight in 414, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.0390625 = fieldNorm(doc=414)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Abstract

The resource description framework (RDF for short) provides a flexible method for modeling information on the Web [34,40]. All data items in RDF are uniformly represented as triples of the form (subject, predicate, object), sometimes also referred to as (subject, property, value) triples. As a running example for this chapter, a small fragment of an RDF dataset concerning music and music fans is given in Fig. 2.1. Spurred by efforts like the Linking Open Data project, increasingly large volumes of data are being published in RDF. Notable contributors in this respect include areas as diverse as the government, the life sciences, Web 2.0 communities, and so on. To give an idea of the volumes of RDF data concerned, as of September 2012, there are 31,634,213,770 triples in total published by data sources participating in the Linking Open Data project. Many individual data sources (like, e.g., PubMed, DBpedia, MusicBrainz) contain hundreds of millions of triples (797, 672, and 179 millions, respectively). These large volumes of RDF data motivate the need for scalable native RDF data management solutions capabable of efficiently storing, indexing, and querying RDF data. In this chapter, we present a general and up-to-date survey of the current state of the art in RDF storage and indexing.

0.004980999 = product of:
  0.014942996 = sum of:
    0.014942996 = product of:
      0.029885992 = sum of:
        0.029885992 = weight(_text_:management in 429) [ClassicSimilarity], result of:
          0.029885992 = score(doc=429,freq=2.0), product of:
            0.16050325 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.047618426 = queryNorm
            0.18620178 = fieldWeight in 429, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.0390625 = fieldNorm(doc=429)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Abstract

We are witnessing a smooth evolution of the Web from a worldwide information space of linked documents to a global knowledge base, where resources are identified by means of uniform resource identifiers (URIs, essentially string identifiers) and are semantically described and correlated through resource description framework (RDF, a metadata data model) statements. With the size and availability of data constantly increasing (currently around 7 billion RDF triples and 150 million RDF links), a fundamental problem lies in the difficulty users face to find and retrieve the information they are interested in. In general, to access semantic data, users need to know the organization of data and the syntax of a specific query language (e.g., SPARQL or variants thereof). Clearly, this represents an obstacle to information access for nonexpert users. For this reason, keyword search-based systems are increasingly capturing the attention of researchers. Recently, many approaches to keyword-based search over structured and semistructured data have been proposed]. These approaches usually implement IR strategies on top of traditional database management systems with the goal of freeing the users from having to know data organization and query languages.

0.003984799 = product of:
  0.011954397 = sum of:
    0.011954397 = product of:
      0.023908794 = sum of:
        0.023908794 = weight(_text_:management in 411) [ClassicSimilarity], result of:
          0.023908794 = score(doc=411,freq=2.0), product of:
            0.16050325 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.047618426 = queryNorm
            0.14896142 = fieldWeight in 411, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.03125 = fieldNorm(doc=411)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Abstract

The Web has become the world's largest database, with search being the main tool that allows organizations and individuals to exploit its huge amount of information. Search on the Web has been traditionally based on textual and structural similarities, ignoring to a large degree the semantic dimension, i.e., understanding the meaning of the query and of the document content. Combining search and semantics gives birth to the idea of semantic search. Traditional search engines have already advertised some semantic dimensions. Some of them, for instance, can enhance their generated result sets with documents that are semantically related to the query terms even though they may not include these terms. Nevertheless, the exploitation of the semantic search has not yet reached its full potential. In this book, Roberto De Virgilio, Francesco Guerra and Yannis Velegrakis present an extensive overview of the work done in Semantic Search and other related areas. They explore different technologies and solutions in depth, making their collection a valuable and stimulating reading for both academic and industrial researchers. The book is divided into three parts. The first introduces the readers to the basic notions of the Web of Data. It describes the different kinds of data that exist, their topology, and their storing and indexing techniques. The second part is dedicated to Web Search. It presents different types of search, like the exploratory or the path-oriented, alongside methods for their efficient and effective implementation. Other related topics included in this part are the use of uncertainty in query answering, the exploitation of ontologies, and the use of semantics in mashup design and operation. The focus of the third part is on linked data, and more specifically, on applying ideas originating in recommender systems on linked data management, and on techniques for the efficiently querying answering on linked data.

0.003984799 = product of:
  0.011954397 = sum of:
    0.011954397 = product of:
      0.023908794 = sum of:
        0.023908794 = weight(_text_:management in 2028) [ClassicSimilarity], result of:
          0.023908794 = score(doc=2028,freq=2.0), product of:
            0.16050325 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.047618426 = queryNorm
            0.14896142 = fieldWeight in 2028, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.03125 = fieldNorm(doc=2028)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Abstract

This book constitutes the refereed proceedings of the 12th Extended Semantic Web Conference, ESWC 2014, held in Anissaras, Portoroz, Slovenia, in May/June 2015. The 43 revised full papers presented together with three invited talks were carefully reviewed and selected from 164 submissions. This program was completed by a demonstration and poster session, in which researchers had the chance to present their latest results and advances in the form of live demos. In addition, the PhD Symposium program included 12 contributions, selected out of 16 submissions. The core tracks of the research conference were complemented with new tracks focusing on linking machine and human computation at web scale (cognition and Semantic Web, Human Computation and Crowdsourcing) beside the following subjects Vocabularies, Schemas, Ontologies, Reasoning, Linked Data, Semantic Web and Web Science, Semantic Data Management, Big data, Scalability, Natural Language Processing and Information Retrieval, Machine Learning, Mobile Web, Internet of Things and Semantic Streams, Services, Web APIs and the Web of Things, Cognition and Semantic Web, Human Computation and Crowdsourcing and In-Use Industrial Track as well

0.0029885992 = product of:
  0.008965798 = sum of:
    0.008965798 = product of:
      0.017931595 = sum of:
        0.017931595 = weight(_text_:management in 1516) [ClassicSimilarity], result of:
          0.017931595 = score(doc=1516,freq=2.0), product of:
            0.16050325 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.047618426 = queryNorm
            0.11172107 = fieldWeight in 1516, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.0234375 = fieldNorm(doc=1516)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Content

OPEN DATA - OPENS PROBLEMS? Challenges and Opportunities in Social Science Research Data Management / Stefan Kramer - Aktivitäten von GESIS im Kontext von Open Data und Zugang zu sozialwissenschaftlichen Forschungsergebnissen / Anja Wilde, Agnieszka Wenninger, Oliver Hopt, Philipp Schaer und Benjamin Zapilko NUTZER UND NUTZUNG IM ZEITALTER VON SEMANTIC WEB & LINKED DATA Die Erfassung, Nutzung und Weiterverwendung von statistischen Informationen - Erfahrungsbericht / Doris Stärk - Einsatz semantischer Technologien zur Entwicklung eines Lerntrajektoriengenerators in frei zugänglichen, nicht personalisierenden Lernplattformen / Richard Huber, Adrian Paschke, Georges Awad und Kirsten Hantelmann OPEN DATA: KONZEPTE - NUTZUNG - ZUKUNFT Zur Konzeption und Implementierung einer Infrastruktur für freie bibliographische Daten / Adrian Pohl und Felix Ostrowski - Lösung zum multilingualen Wissensmanagement semantischer Informationen / Lars Ludwig - Linked Open Projects: Nachnutzung von Projektergebnissen als Linked Data / Kai Eckert AUSBLICK INFORMATIONSKOMPETENZ GMMIK ['gi-mik] - Ein Modell der Informationskompetenz / Aleksander Knauerhase WORKSHOP Wissensdiagnostik als Instrument für Lernempfehlungen am Beispiel der Facharztprüfung / Werner Povoden, Sabine Povoden und Roland Streule