Title The semantic web -- ISWC 2021 : 20th International Semantic Web Conference, ISWC 2021, Virtual event, October 24-28, 2021, Proceedings / Andreas Hotho, Eva Blomqvist, Stefan Dietze, Achille Fokoue, Ying Ding, Payam Barnaghi, Armin Haller, Mauro Dragoni, Harith Alani (eds.)

Published Cham : Springer, 2021

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Description 1 online resource (756 pages) Series Lecture notes in computer science ; 12922 LNCS sublibrary, SL 3, Information systems and applications, incl. internet/web, and HCI Lecture notes in computer science ; 12922. LNCS sublibrary. SL 3, Information systems and applications, incl. Internet/Web, and HCI. Contents Intro -- Preface -- Organization -- Contents -- Research Track -- PCSG: Pattern-Coverage Snippet Generation for RDF Datasets -- 1 Introduction -- 2 Related Work -- 3 Snippet Generation: A Basic Approach -- 3.1 Problem Formulation -- 3.2 Algorithm Basic -- 4 Snippet Generation: Extended Approaches -- 4.1 Extension to Disconnectivity: Algorithm PCSG -- 4.2 Extension to High Heterogeneity: Algorithm PCSG- -- 4.3 Extension to Query Relevance: Algorithm QPCSG( -- ) -- 5 Evaluation of PCSG( -- ) -- 5.1 RDF Datasets -- 5.2 Participating Methods -- 5.3 Experiment 1: Coverage of Schema 5.4 Experiment 2: User Preference -- 5.5 Experiment 3: Space Saving and Run-Time -- 6 Evaluation of QPCSG( -- ) -- 6.1 Queries and RDF Datasets -- 6.2 Participating Methods -- 6.3 Experiment 4: Coverage of Query and Schema -- 6.4 Experiment 5: Space Saving and Run-Time -- 7 Empirical Comparison with Summary -- 8 Conclusion and Future Work -- References -- A Source-to-Target Constraint Rewriting for Direct Mapping -- 1 Introduction -- 2 Preliminaries -- 3 Constraint Rewriting: Definition and Properties -- 4 The Constraint Rewriting -- 4.1 Datalog Predicates -- 4.2 The Constraint Rewriting Rules 5 Properties of the Constraint Rewriting -- 6 Discussion -- 7 Conclusion -- References -- Learning to Predict the Departure Dynamics of Wikidata Editors -- 1 Introduction -- 2 Related Work -- 3 Proposed Approach -- 3.1 Statistical Features -- 3.2 Pattern-Based Features -- 3.3 DeepFM as the Classification Model -- 4 Wikidata Dataset -- 4.1 Exploratory Analysis of the Dataset -- 5 Experimental Setup -- 5.1 Dataset -- 5.2 Compared Methods -- 5.3 Evaluation Metrics -- 6 Results -- 6.1 Comparison with the Set of Different Methods -- 6.2 Analysis of Statistical Features -- 7 Conclusions -- References Towards Neural Schema Alignment for OpenStreetMap and Knowledge Graphs -- 1 Introduction -- 2 Problem Statement -- 3 Neural Class Alignment Approach -- 3.1 Auxiliary Neural Classification Model -- 3.2 Tag-to-Class Alignment -- 3.3 Illustrative Example -- 4 Evaluation Setup -- 4.1 Datasets -- 4.2 Ground Truth Creation -- 4.3 Baselines -- 4.4 Metrics -- 5 Evaluation -- 5.1 Tag-to-Class Alignment Performance -- 5.2 Influence of the Shared Latent Space -- 5.3 Confidence Threshold Tuning -- 5.4 Alignment Impact -- 6 Related Work -- 7 Conclusion -- References Improving Inductive Link Prediction Using Hyper-relational Facts -- 1 Introduction -- 2 Background -- 2.1 Statements: Triples Plus Qualifiers -- 2.2 Expressiveness -- 3 Inductive Link Prediction -- 4 Approach -- 4.1 Encoders -- 4.2 Decoder -- 4.3 Training -- 5 Datasets -- 5.1 Fully-Inductive Setting -- 5.2 Semi-inductive Setting -- 5.3 Overview -- 6 Experiments -- 6.1 Experimental Setup -- 6.2 Fully-Inductive Setting -- 6.3 Semi-inductive Setting -- 6.4 Qualitative Analysis -- 7 Related Work -- 8 Conclusion -- A Training -- B Hyperparameter Ranges -- C Infrastructure and Parameters Summary This book constitutes the proceedings of the 20th International Semantic Web Conference, ISWC 2021, which took place in October 2021. Due to COVID-19 pandemic the conference was held virtually. The papers included in this volume deal with the latest advances in fundamental research, innovative technology, and applications of the Semantic Web, linked data, knowledge graphs, and knowledge processing on the Web. Papers are organized in a research track, resources and in-use track. The research track details theoretical, analytical and empirical aspects of the Semantic Web and its intersection with other disciplines. The resources track promotes the sharing of resources which support, enable or utilize semantic web research, including datasets, ontologies, software, and benchmarks. And finally, the in-use-track is dedicated to novel and significant research contributions addressing theoretical, analytical and empirical aspects of the Semantic Web and its intersection with other disciplines Notes D Qualifier Ratio Includes author index Online resource; title from PDF title page (SpringerLink, viewed October 7, 2021) Subject Semantic Web -- Congresses Semantic computing -- Congresses Semantic computing Semantic Web Genre/Form proceedings (reports) Conference papers and proceedings Conference papers and proceedings. Actes de congrès. Form Electronic book Author Hotho, Andreas Blomqvist, Eva Dietze, Stefan Fokoue, Achille Ding, Ying (Information scientist) Barnaghi, Payam Haller, Armin, 1980- Dragoni, Mauro Alani, Harith ISBN 9783030883614 3030883612

Other Titles ISWC 2021

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