Theory of generalized annotated logic programming and its applications
Journal of Logic Programming
Handbook of logic in computer science (vol. 3)
Maintaining knowledge about temporal intervals
Communications of the ACM
Foundations of semantic web databases
PODS '04 Proceedings of the twenty-third ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Named graphs, provenance and trust
WWW '05 Proceedings of the 14th international conference on World Wide Web
IEEE Transactions on Knowledge and Data Engineering
Proceedings of the twenty-sixth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Proceedings of the 17th international conference on World Wide Web
Theory and Practice of Logic Programming
Minimal Deductive Systems for RDF
ESWC '07 Proceedings of the 4th European conference on The Semantic Web: Research and Applications
The Expressive Power of SPARQL
ISWC '08 Proceedings of the 7th International Conference on The Semantic Web
On the Semantics of Trust and Caching in the Semantic Web
ISWC '08 Proceedings of the 7th International Conference on The Semantic Web
A Fuzzy Semantics for the Resource Description Framework
Uncertainty Reasoning for the Semantic Web I
ESWC 2009 Heraklion Proceedings of the 6th European Semantic Web Conference on The Semantic Web: Research and Applications
Querying Trust in RDF Data with tSPARQL
ESWC 2009 Heraklion Proceedings of the 6th European Semantic Web Conference on The Semantic Web: Research and Applications
Applied Temporal RDF: Efficient Temporal Querying of RDF Data with SPARQL
ESWC 2009 Heraklion Proceedings of the 6th European Semantic Web Conference on The Semantic Web: Research and Applications
Semantics and complexity of SPARQL
ACM Transactions on Database Systems (TODS)
Querying for provenance, trust, uncertainty and other meta knowledge in RDF
Web Semantics: Science, Services and Agents on the World Wide Web
ACM Transactions on Computational Logic (TOCL)
A Minimal Deductive System for General Fuzzy RDF
RR '09 Proceedings of the 3rd International Conference on Web Reasoning and Rule Systems
ISWC '09 Proceedings of the 8th International Semantic Web Conference
Coloring RDF Triples to Capture Provenance
ISWC '09 Proceedings of the 8th International Semantic Web Conference
Dynamic Querying of Mass-Storage RDF Data with Rule-Based Entailment Regimes
ISWC '09 Proceedings of the 8th International Semantic Web Conference
Web Semantics: Science, Services and Agents on the World Wide Web
YARS2: a federated repository for querying graph structured data from the web
ISWC'07/ASWC'07 Proceedings of the 6th international The semantic web and 2nd Asian conference on Asian semantic web conference
Proceedings of the 2010 ACM SIGMOD International Conference on Management of data
AnQL: SPARQLing up annotated RDFS
ISWC'10 Proceedings of the 9th international semantic web conference on The semantic web - Volume Part I
ESWC'06 Proceedings of the 3rd European conference on The Semantic Web: research and applications
A generic approach for correcting access restrictions to a consequence
ESWC'10 Proceedings of the 7th international conference on The Semantic Web: research and Applications - Volume Part I
Classification of annotation semirings over query containment
PODS '12 Proceedings of the 31st symposium on Principles of Database Systems
Tracing where and who provenance in Linked Data: A calculus
Theoretical Computer Science
Ranking RDF with provenance via preference aggregation
EKAW'12 Proceedings of the 18th international conference on Knowledge Engineering and Knowledge Management
Towards a unifying approach to representing and querying temporal data in description logics
RR'12 Proceedings of the 6th international conference on Web Reasoning and Rule Systems
Toward scalable reasoning over annotated RDF data using mapreduce
RR'12 Proceedings of the 6th international conference on Web Reasoning and Rule Systems
ISWC'12 Proceedings of the 11th international conference on The Semantic Web - Volume Part I
Algebraic structures for capturing the provenance of SPARQL queries
Proceedings of the 16th International Conference on Database Theory
Proceedings of the 16th International Conference on Database Theory
Comparing contextual and flat representations ofknowledge: a concrete case about football data
Proceedings of the seventh international conference on Knowledge capture
Classification of annotation semirings over containment of conjunctive queries
ACM Transactions on Database Systems (TODS)
TripleProv: efficient processing of lineage queries in a native RDF store
Proceedings of the 23rd international conference on World wide web
Web intelligence for tourism using railway data by a simplified fuzzy reasoning method
Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology - Computational intelligence models for image processing and information reasoning
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We describe a generic framework for representing and reasoning with annotated Semantic Web data, a task becoming more important with the recent increased amount of inconsistent and non-reliable meta-data on the Web. We formalise the annotated language, the corresponding deductive system and address the query answering problem. Previous contributions on specific RDF annotation domains are encompassed by our unified reasoning formalism as we show by instantiating it on (i) temporal, (ii) fuzzy, and (iii) provenance annotations. Moreover, we provide a generic method for combining multiple annotation domains allowing to represent, e.g., temporally-annotated fuzzy RDF. Furthermore, we address the development of a query language - AnQL - that is inspired by SPARQL, including several features of SPARQL 1.1 (subqueries, aggregates, assignment, solution modifiers) along with the formal definitions of their semantics.