All I know: a study in autoepistemic logic
Artificial Intelligence
Inside the LOOM description classifier
ACM SIGART Bulletin - Special issue on implemented knowledge representation and reasoning systems
The CLASSIC knowledge representation system: guiding principles and implementation rationale
ACM SIGART Bulletin - Special issue on implemented knowledge representation and reasoning systems
Minimal belief and negation as failure
Artificial Intelligence
ACM Transactions on Database Systems (TODS)
An epistemic operator for description logics
Artificial Intelligence
Combining Horn rules and description logics in CARIN
Artificial Intelligence
{\cal A}{\cal L}-log: Integrating Datalog and Description Logics
Journal of Intelligent Information Systems
Description logics of minimal knowledge and negation as failure
ACM Transactions on Computational Logic (TOCL)
CLASP: Integrating Term Subsumption Systems and Production Systems
IEEE Transactions on Knowledge and Data Engineering
Nonmonotonic Rule Systems on Top of Ontology Layers
ISWC '02 Proceedings of the First International Semantic Web Conference on The Semantic Web
Datalog and Description Logics: Expressive Power
DBLP-6 Proceedings of the 6th International Workshop on Database Programming Languages
Description logic programs: combining logic programs with description logic
WWW '03 Proceedings of the 12th international conference on World Wide Web
The description logic handbook: theory, implementation, and applications
The description logic handbook: theory, implementation, and applications
A proposal for an owl rules language
Proceedings of the 13th international conference on World Wide Web
Query-answering algorithms for information agents
AAAI'96 Proceedings of the thirteenth national conference on Artificial intelligence - Volume 1
The limits on combining recursive horn rules with description logics
AAAI'96 Proceedings of the thirteenth national conference on Artificial intelligence - Volume 1
Position paper: a comparison of two modelling paradigms in the Semantic Web
Proceedings of the 15th international conference on World Wide Web
DR-Prolog: A System for Defeasible Reasoning with Rules and Ontologies on the Semantic Web
IEEE Transactions on Knowledge and Data Engineering
Using OWL to model biological knowledge
International Journal of Human-Computer Studies
Probabilistic description logic programs
International Journal of Approximate Reasoning
A comparison of two modelling paradigms in the Semantic Web
Web Semantics: Science, Services and Agents on the World Wide Web
Proof explanation for a nonmonotonic Semantic Web rules language
Data & Knowledge Engineering
Ontologies and reasoning techniques for (legal) intelligent information retrieval systems
Artificial Intelligence and Law
A system for modal and deontic defeasible reasoning
Proceedings of the 2008 ACM symposium on Applied computing
Combining answer set programming with description logics for the Semantic Web
Artificial Intelligence
Building rules on top of ontologies for the semantic web with inductive logic programming
Theory and Practice of Logic Programming
Guarded hybrid knowledge bases12
Theory and Practice of Logic Programming
Probabilistic description logic programs under inheritance with overriding for the Semantic Web
International Journal of Approximate Reasoning
A Novel Combination of Answer Set Programming with Description Logics for the Semantic Web
ESWC '07 Proceedings of the 4th European conference on The Semantic Web: Research and Applications
A Multi-agent Environment for Serving Proof Explanations in the Semantic Web
SETN '08 Proceedings of the 5th Hellenic conference on Artificial Intelligence: Theories, Models and Applications
The DR-Prolog Tool Suite for Defeasible Reasoning and Proof Explanation in the Semantic Web
SETN '08 Proceedings of the 5th Hellenic conference on Artificial Intelligence: Theories, Models and Applications
Foundations of Onto-Relational Learning
ILP '08 Proceedings of the 18th international conference on Inductive Logic Programming
Rules and Ontologies for the Semantic Web
Reasoning Web
On Combining Description Logic Ontologies and Nonrecursive Datalog Rules
RR '08 Proceedings of the 2nd International Conference on Web Reasoning and Rule Systems
Visualization of Proofs in Defeasible Logic
RuleML '08 Proceedings of the International Symposium on Rule Representation, Interchange and Reasoning on the Web
Ontology engineering: reuse and integration
International Journal of Metadata, Semantics and Ontologies
Hybrid Reasoning with Forest Logic Programs
ESWC 2009 Heraklion Proceedings of the 6th European Semantic Web Conference on The Semantic Web: Research and Applications
Rule-based OWL Ontology Reasoning Using Dynamic ABOX Entailments
Proceedings of the 2008 conference on ECAI 2008: 18th European Conference on Artificial Intelligence
Tightly Coupled Probabilistic Description Logic Programs for the Semantic Web
Journal on Data Semantics XII
Extended RDF as a semantic foundation of rule markup languages
Journal of Artificial Intelligence Research
A Reasoner for Simple Conceptual Logic Programs
RR '09 Proceedings of the 3rd International Conference on Web Reasoning and Rule Systems
Decidable Order-Sorted Logic Programming for Ontologies and Rules with Argument Restructuring
ISWC '09 Proceedings of the 8th International Semantic Web Conference
Anomalies in ontologies with rules
Web Semantics: Science, Services and Agents on the World Wide Web
Reconciling description logics and rules
Journal of the ACM (JACM)
Well-founded semantics for hybrid rules
RR'07 Proceedings of the 1st international conference on Web reasoning and rule systems
Quantified equilibrium logic and hybrid rules
RR'07 Proceedings of the 1st international conference on Web reasoning and rule systems
ALCPu: an integration of description logic and general rules
RR'07 Proceedings of the 1st international conference on Web reasoning and rule systems
Proof explanation in the DR-DEVICE system
RR'07 Proceedings of the 1st international conference on Web reasoning and rule systems
Rule-based active domain brokering for the semantic web
RR'07 Proceedings of the 1st international conference on Web reasoning and rule systems
RR'07 Proceedings of the 1st international conference on Web reasoning and rule systems
Proof explanation for the semantic web using defeasible logic
KSEM'07 Proceedings of the 2nd international conference on Knowledge science, engineering and management
Answer set programming for the semantic web
ICLP'07 Proceedings of the 23rd international conference on Logic programming
A system for modal and deontic defeasible reasoning
AI'07 Proceedings of the 20th Australian joint conference on Advances in artificial intelligence
Integrating rules and description logics with circumscription for the semantic web
RuleML'07 Proceedings of the 2007 international conference on Advances in rule interchange and applications
Hybrid reasoning with rules and ontologies
Semantic techniques for the web
Inductive logic programming in databases: From datalog to $\mathcal{dl}+log}^{\neg\vee}$
Theory and Practice of Logic Programming
Loop formulas for description logic programs
Theory and Practice of Logic Programming
Tractable Reasoning with DL-Programs over Datalog-rewritable Description Logics
Proceedings of the 2010 conference on ECAI 2010: 19th European Conference on Artificial Intelligence
Defeasible inheritance with doubt index and its axiomatic characterization
Artificial Intelligence
FO(ID) as an extension of DL with rules
Annals of Mathematics and Artificial Intelligence
Logic programming languages for databases and the web
A 25-year perspective on logic programming
Hybrid reasoning with non-monotonic rules
ReasoningWeb'10 Proceedings of the 6th international conference on Semantic technologies for software engineering
A logical semantics for description logic programs
JELIA'10 Proceedings of the 12th European conference on Logics in artificial intelligence
A rule-based implementation of fuzzy tableau reasoning
RuleML'10 Proceedings of the 2010 international conference on Semantic web rules
Embedding nonground logic programs into autoepistemic logic for knowledge-base combination
ACM Transactions on Computational Logic (TOCL)
Editorial: Using OWL and SWRL to represent and reason with situation-based access control policies
Data & Knowledge Engineering
Local closed world reasoning with description logics under the well-founded semantics
Artificial Intelligence
Integrating rules and ontologies in the first-order stable model semantics
LPNMR'11 Proceedings of the 11th international conference on Logic programming and nonmonotonic reasoning
Reasoning on the semantic web for adaptive hypermedia
Journal of Web Engineering
Rules and logic programming for the web
RW'11 Proceedings of the 7th international conference on Reasoning web: semantic technologies for the web of data
RW'11 Proceedings of the 7th international conference on Reasoning web: semantic technologies for the web of data
Inline evaluation of hybrid knowledge bases PhD description
RR'11 Proceedings of the 5th international conference on Web reasoning and rule systems
OWL: a description logic based ontology language
ICLP'05 Proceedings of the 21st international conference on Logic Programming
Practice of inductive reasoning on the semantic web: a system for semantic web mining
PPSWR'06 Proceedings of the 4th international conference on Principles and Practice of Semantic Web Reasoning
Combining RDF and part of OWL with rules: semantics, decidability, complexity
ISWC'05 Proceedings of the 4th international conference on The Semantic Web
The loop formula based semantics of description logic programs
Theoretical Computer Science
Description logics in ontology applications
TABLEAUX'05 Proceedings of the 14th international conference on Automated Reasoning with Analytic Tableaux and Related Methods
On representational issues about combinations of classical theories with nonmonotonic rules
KSEM'06 Proceedings of the First international conference on Knowledge Science, Engineering and Management
Integrating the two main inference modes of NKRL, transformations and hypotheses
Journal on Data Semantics IV
Semantic web architecture: stack or two towers?
PPSWR'05 Proceedings of the Third international conference on Principles and Practice of Semantic Web Reasoning
Semantic and computational advantages of the safe integration of ontologies and rules
PPSWR'05 Proceedings of the Third international conference on Principles and Practice of Semantic Web Reasoning
Principles of inductive reasoning on the semantic web: a framework for learning in AL-log
PPSWR'05 Proceedings of the Third international conference on Principles and Practice of Semantic Web Reasoning
Theoretical foundations for enabling a web of knowledge
FoIKS'10 Proceedings of the 6th international conference on Foundations of Information and Knowledge Systems
Datalog relaunched: simulation unification and value invention
Datalog'10 Proceedings of the First international conference on Datalog Reloaded
Tightly integrated probabilistic description logic programs for representing ontology mappings
Annals of Mathematics and Artificial Intelligence
Sorted hyper-predicate knowledge bases for ontologies and rules
Proceedings of the 27th Annual ACM Symposium on Applied Computing
A general Datalog-based framework for tractable query answering over ontologies
Web Semantics: Science, Services and Agents on the World Wide Web
Eliminating nonmonotonic DL-Atoms in description logic programs
RR'13 Proceedings of the 7th international conference on Web Reasoning and Rule Systems
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We define the formal framework of r-hybrid knowledge bases (KBs) integrating ontologies and rules. A r-hybrid KB has a structural component (ontology) and a rule component. Such a framework is very general, in the sense that: (i) the construction is parametric with respect to the logic used to specify the structural component; (ii) the rule component is very expressive, since it consists of a Datalog^@?^@? program, i.e., a Datalog program with negation as failure and disjunction, (iii) the rule component is constrained in its interaction with the structural component according to a safeness condition: such a safe interaction between rules and structural KB captures (and is a generalization of) several previous proposals. As a consequence, we are able to show that such a framework of r-hybrid KBs comprises many systems proposed for combining rules and Description Logics. Then, we study reasoning in r-hybrid KBs. We provide a general algorithm for reasoning in r-hybrid KBs, and prove that, under very general conditions, decidability of reasoning is preserved when we add safe Datalog^@?^@? rules to a KB: in other words, if reasoning in the logic L used to specify the structural component T is decidable, then reasoning in the extension of T with safe Datalog^@?^@? rules is still decidable. We also show that an analogous property holds for the complexity of reasoning in r-hybrid KBs. Our decidability and complexity results generalize in a broad sense previous results obtained in recent research on this topic. In particular, we prove that reasoning in r-hybrid KBs whose structural component is specified in the Web Ontology Language OWL-DL is decidable.