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Integrating relational databases with the semantic web /
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| 자료유형 | E-Book |
|---|---|
| 개인저자 | Sequeda, Juan Federico, author. |
| 서명/저자사항 | Integrating relational databases with the semantic web /Juan Federico Sequeda. |
| 형태사항 | 1 online resource. |
| 총서사항 | Studies on the semantic web ;vol. 022 |
| 소장본 주기 | eBooks on EBSCOhostAll EBSCO eBooks |
| ISBN | 9781614996293 1614996296 |
| 서지주기 | Includes bibliographical references. |
| 내용주기 | Title 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 Integrity 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 Semantics 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 Mapping 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 Semantics 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 |
| 일반주제명 | Relational databases. Semantic integration (Computer systems) COMPUTERS / Databases / General Relational databases. Semantic integration (Computer systems) |
| 언어 | 영어 |
| 대출바로가기 | http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&AN=1342320 |
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| 1 | WE00009803 | 005.75/6 | 가야대학교/전자책서버(컴퓨터서버)/ | 대출가능 |
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