자료유형  

 단행본

Control Number  

n957490964

International Standard Book Number  

9781614996293 (electronic bk.)

International Standard Book Number  

1614996296 (electronic bk.)

International Standard Book Number  

9781614996286 (print)

Library of Congress Call Number  

QA76.9.D32

Dewey Decimal Classification Number  

005.75/6-23

Main Entry-Personal Name  

Sequeda, Juan Federico

Physical Description  

1 online resource.

Series Statement  

Studies on the semantic web ; vol. 022

Bibliography, Etc. Note  

Includes bibliographical references.

Formatted Contents Note  

완전내용Title Page; Acknowledgments; Abstract; Contents; List of Tables; List of Figures; Chapter 1. Introduction; Background; Relational Databases; Description Logic and the Semantic Web; Methodology; Problem 1: Relational Database as a Semantic Web data source; Challenge 1: Automatic Mapping of Relational Databases to Semantic Web; Contribution 1: Direct Mapping; Challenge 2: Execute SPARQL on Relational Data; Contribution 2: Ultrawrap; Problem 2: Relational Database as a Reasoner; Challenge 3: Reasoning on a RDBMS; Contribution 3; Chapter 2. Preliminaries; Relational Databases; Relational Algebra

Formatted Contents Note  

완전내용Integrity ConstraintsSemantic Web; RDF; OWL; SPARQL; Chapter 3. Direct Mapping Relational Databases to RDF and OWL; Direct Mapping Definition; Fundamental Properties; Information Preservation; Query Preservation; Desirable Properties; Monotonicity; Semantics preservation; The Direct Mapping DM; Storing relational databases; Storing an ontology; Translating a relational schema into an OWL ontology; Translating a database instance into RDF; Properties of DM; Information preservation of DM; Query preservation of DM; Monotonicity and semantics preservation of DM

Formatted Contents Note  

완전내용Semantics Preservation of Direct MappingsA full semantics preserving direct mapping for primary keys; Semantics preserving direct mappings for primary keys and foreign keys; Summary; Chapter 4. Ultrawrap: SPARQL Execution on Relational Data; Overview of Ultrawrap; Compilation; Runtime; Two Important Optimizations; Detection of Unsatisfiable Conditions; Self-join Elimination; Evaluation; Platform; Workload; Results; Ultrawrap Experiment; Augmented Ultrawrap Experiment; Discussion; Related Work; Concluding Remarks; Summary; Chapter 5. Ontology Based Data Access; Overview of Ultrawrap OBDA

Formatted Contents Note  

완전내용Mapping Relational Databases to RDF for OBDARelational databases to RDF mappings; Saturation of RDB2RDF mappings; Dealing with transitive predicates; Implementing RDB2RDF mappings as views; Executing SPARQL Queries; SPARQL rewriting; Cost Model for View Materialization; Evaluation; Benchmarks; Measurements and Scenarios; Results; Related Work; Summary; Chapter 6. Conclusions; Summary of Results; Contribution 1: Direct Mapping; Contribution 2: Ultrawrap; Contribution 3: Ontology-Based Data Access; Lessons Learned; Future Work; Chapter 7. Appendix; Additional Operators in Relational algebra

Formatted Contents Note  

완전내용Semantics of SPARQLProofs; Proof of Theorem 1; Proof of Theorem 2; Proof of Proposition 1; Proof of Proposition 2; Proof of Theorem 4; Proof of Theorem 5; Benchmark for Ultrawrap; Benchmark for Ultrawrap OBDA; Bibliography

Subject Added Entry-Topical Term  

Relational databases

Subject Added Entry-Topical Term  

Semantic integration (Computer systems)

Subject Added Entry-Topical Term  

COMPUTERS / Databases / General

Subject Added Entry-Topical Term  

Relational databases.

Subject Added Entry-Topical Term  

Semantic integration (Computer systems)

Series Added Entry-Uniform Title  

Studies on the Semantic Web ; vol. 022.

Electronic Location and Access  

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Control Number  

joongbu:501093