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Description logic rules / / Markus Krötzsch
| Description logic rules / / Markus Krötzsch |
| Autore | Krötzsch Markus |
| Pubbl/distr/stampa | Heidelberg, Germany : , : AKA : , : IOS Press, , 2010 |
| Descrizione fisica | 1 online resource (275 p.) |
| Disciplina | 006.332 |
| Collana | Studies on the Semantic Web |
| Soggetto topico | Description logics |
| Soggetto genere / forma | Electronic books. |
| ISBN | 1-61499-342-4 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Title Page; Preface; Contents; List of Figures; Introduction; Ontologies and the Semantic Web; Description Logics; What is a Rule?; Aims and Objectives; Guide to the Reader; Basic Definitions; First-Order Logic with Equality; Semantic Correspondences between Logical Theories; Computational Complexity; Introduction to Description Logics; The Description Logic SROIQ; Syntax; Semantics and Inferencing; Simplifications and Normal Forms; Relationship of DLs to Other Logics; Description Logic Nomenclature; Combining Description Logics with Datalog; Datalog as a First-Order Rule Language
Syntax of DatalogSemantics of Datalog; Equality; Datalog cup Description Logics: SWRL; Defining SWRL; Reasoning in SWRL; Approaches for Combining Rules and DLs; Rules and Conjunctive Queries; Extending Description Logics with Role Constructors; Introducing Role Expressions; Role Expressions for SROIQ and SHOIQ; Safe Role Expressions for SHIQ; A Tractable DL with Role Expressions; Summary; Related Work; Horn Logic Fragments of Description Logics; A Horn Fragment of SROIQ; A Light-Weight Horn-DL: Horn-FL0; PSpace-Complete Horn DLs: From Horn-FL- to Horn-FLOH-; Hardness; Containment Horn-SHIQ and Other ExpTime-Complete Horn DLsAlternating Turing Machines; Simulating ATMs in Horn-FLE; Summary; Related Work; The Datalog Fragment of Description Logic; Initial Considerations and Problem Definition; The Datalog Fragment of ALC; Defining Description Logic Programs; Emulating DLP in Datalog; Model Constructions for Datalog; Showing Structural Maximality of DLP; Summary; Related Work; Description Logic Fragments of SWRL: DL Rules; Initial Observations; Defining SROIQ Rules; Adding Role Constructors; Further Classes of DL Rules; Implementing DL Rules in Datalog; Summary Related WorkExtending DL Rules with DL-Safe Variables; Introducing DL-Safe Rules; DL Rules with Safe Variables; Reasoning Complexity of SROIQ+safe Rules; Tractable DL-Safe Rules: ELP; Summary; Related Work; Conclusions; Summary of the Results; Decidable Fragments of SWRL; Rule Fragments of Description Logics; Tractable Knowledge Representation Languages; Significance of the Results; Future Work; Bibliography; Index |
| Record Nr. | UNINA-9910453262803321 |
Krötzsch Markus
|
||
| Heidelberg, Germany : , : AKA : , : IOS Press, , 2010 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Description logic rules / / Markus Krötzsch
| Description logic rules / / Markus Krötzsch |
| Autore | Krötzsch Markus |
| Pubbl/distr/stampa | Heidelberg, Germany : , : AKA : , : IOS Press, , 2010 |
| Descrizione fisica | 1 online resource (275 p.) |
| Disciplina | 006.332 |
| Collana | Studies on the Semantic Web |
| Soggetto topico | Description logics |
| ISBN | 1-61499-342-4 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Title Page; Preface; Contents; List of Figures; Introduction; Ontologies and the Semantic Web; Description Logics; What is a Rule?; Aims and Objectives; Guide to the Reader; Basic Definitions; First-Order Logic with Equality; Semantic Correspondences between Logical Theories; Computational Complexity; Introduction to Description Logics; The Description Logic SROIQ; Syntax; Semantics and Inferencing; Simplifications and Normal Forms; Relationship of DLs to Other Logics; Description Logic Nomenclature; Combining Description Logics with Datalog; Datalog as a First-Order Rule Language
Syntax of DatalogSemantics of Datalog; Equality; Datalog cup Description Logics: SWRL; Defining SWRL; Reasoning in SWRL; Approaches for Combining Rules and DLs; Rules and Conjunctive Queries; Extending Description Logics with Role Constructors; Introducing Role Expressions; Role Expressions for SROIQ and SHOIQ; Safe Role Expressions for SHIQ; A Tractable DL with Role Expressions; Summary; Related Work; Horn Logic Fragments of Description Logics; A Horn Fragment of SROIQ; A Light-Weight Horn-DL: Horn-FL0; PSpace-Complete Horn DLs: From Horn-FL- to Horn-FLOH-; Hardness; Containment Horn-SHIQ and Other ExpTime-Complete Horn DLsAlternating Turing Machines; Simulating ATMs in Horn-FLE; Summary; Related Work; The Datalog Fragment of Description Logic; Initial Considerations and Problem Definition; The Datalog Fragment of ALC; Defining Description Logic Programs; Emulating DLP in Datalog; Model Constructions for Datalog; Showing Structural Maximality of DLP; Summary; Related Work; Description Logic Fragments of SWRL: DL Rules; Initial Observations; Defining SROIQ Rules; Adding Role Constructors; Further Classes of DL Rules; Implementing DL Rules in Datalog; Summary Related WorkExtending DL Rules with DL-Safe Variables; Introducing DL-Safe Rules; DL Rules with Safe Variables; Reasoning Complexity of SROIQ+safe Rules; Tractable DL-Safe Rules: ELP; Summary; Related Work; Conclusions; Summary of the Results; Decidable Fragments of SWRL; Rule Fragments of Description Logics; Tractable Knowledge Representation Languages; Significance of the Results; Future Work; Bibliography; Index |
| Record Nr. | UNINA-9910790733903321 |
|
Krötzsch Markus
|
||
| Heidelberg, Germany : , : AKA : , : IOS Press, , 2010 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Description logic rules / / Markus Krötzsch
| Description logic rules / / Markus Krötzsch |
| Autore | Krötzsch Markus |
| Pubbl/distr/stampa | Heidelberg, Germany : , : AKA : , : IOS Press, , 2010 |
| Descrizione fisica | 1 online resource (275 p.) |
| Disciplina | 006.332 |
| Collana | Studies on the Semantic Web |
| Soggetto topico | Description logics |
| ISBN | 1-61499-342-4 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Title Page; Preface; Contents; List of Figures; Introduction; Ontologies and the Semantic Web; Description Logics; What is a Rule?; Aims and Objectives; Guide to the Reader; Basic Definitions; First-Order Logic with Equality; Semantic Correspondences between Logical Theories; Computational Complexity; Introduction to Description Logics; The Description Logic SROIQ; Syntax; Semantics and Inferencing; Simplifications and Normal Forms; Relationship of DLs to Other Logics; Description Logic Nomenclature; Combining Description Logics with Datalog; Datalog as a First-Order Rule Language
Syntax of DatalogSemantics of Datalog; Equality; Datalog cup Description Logics: SWRL; Defining SWRL; Reasoning in SWRL; Approaches for Combining Rules and DLs; Rules and Conjunctive Queries; Extending Description Logics with Role Constructors; Introducing Role Expressions; Role Expressions for SROIQ and SHOIQ; Safe Role Expressions for SHIQ; A Tractable DL with Role Expressions; Summary; Related Work; Horn Logic Fragments of Description Logics; A Horn Fragment of SROIQ; A Light-Weight Horn-DL: Horn-FL0; PSpace-Complete Horn DLs: From Horn-FL- to Horn-FLOH-; Hardness; Containment Horn-SHIQ and Other ExpTime-Complete Horn DLsAlternating Turing Machines; Simulating ATMs in Horn-FLE; Summary; Related Work; The Datalog Fragment of Description Logic; Initial Considerations and Problem Definition; The Datalog Fragment of ALC; Defining Description Logic Programs; Emulating DLP in Datalog; Model Constructions for Datalog; Showing Structural Maximality of DLP; Summary; Related Work; Description Logic Fragments of SWRL: DL Rules; Initial Observations; Defining SROIQ Rules; Adding Role Constructors; Further Classes of DL Rules; Implementing DL Rules in Datalog; Summary Related WorkExtending DL Rules with DL-Safe Variables; Introducing DL-Safe Rules; DL Rules with Safe Variables; Reasoning Complexity of SROIQ+safe Rules; Tractable DL-Safe Rules: ELP; Summary; Related Work; Conclusions; Summary of the Results; Decidable Fragments of SWRL; Rule Fragments of Description Logics; Tractable Knowledge Representation Languages; Significance of the Results; Future Work; Bibliography; Index |
| Record Nr. | UNINA-9910821104403321 |
|
Krötzsch Markus
|
||
| Heidelberg, Germany : , : AKA : , : IOS Press, , 2010 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||