Web Reasoning and Rule Systems

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Invited Talks and Tutorial.- Query Answering under Non-guarded Rules in Datalog+/-.- Data Validation with OWL Integrity Constraints.- SPARQL1.1: New Features and Friends (OWL2, RIF).- Full Papers.- Usability of a Visual Language for DL Concept Descriptions.- A Rule-Based Language for Complex Event Processing and Reasoning.- Analyzing the AIR Language: A Semantic Web (Production) Rule Language.- Query-Based Access Control for Ontologies.- On the Semantic Relationship between Datalog and Description Logics.- Inconsistency-Tolerant Semantics for Description Logics.- Extending Paraconsistent .- Redundancy Elimination on RDF Graphs in the Presence of Rules, Constraints, and Queries.- Defeasibility in Answer Set Programs via Argumentation Theories.- Short Papers.- A Rule-Based Approach to XML Processing and Web Reasoning.- Learning to Rank Individuals in Description Logics Using Kernel Perceptrons.- A Probabilistic Abduction Engine for Media Interpretation Based on Ontologies.- Secrecy-Preserving Query Answering for Instance Checking in .- Embeddings of Simple Modular Extended RDF.- KWilt: A Semantic Patchwork for Flexible Access to Heterogeneous Knowledge.- Poster/Position Papers.- Composition of Semantic Web Services in a Constructive Description Logic.- A Step toward Tight Integration of Fuzzy Ontological Reasoning with Forward Rules.- Rule-Based Spam E-mail Annotation.- A RESTful SWRL Rule Editor.- PhD Description.- On the Termination of the Chase Algorithm.- System Descriptions.- Processing RIF and OWL2RL within DLVHEX.- A RPL through RDF: Expressive Navigation in RDF Graphs.