VSL 2014: VIENNA SUMMER OF LOGIC 2014
DL PROGRAM

Days: Thursday, July 17th Friday, July 18th Saturday, July 19th Sunday, July 20th

Thursday, July 17th, 2014

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10:15-10:45Coffee Break
10:45-13:00 Session 66AQ: Invited Talk, Contributed Talks, and Poster Announcements
Location: EI, EI 7
10:45
Invited Talk: New Perspectives on Query Reformulation (abstract)
11:45
Acyclic Query Answering under Guarded Disjunctive Existential Rules and Consequences to DLs (abstract)
12:10
Complexities of Nominal Schemas (abstract)
12:35
Comparing the Expressiveness of Description Logics (abstract)
12:38
An Empirical Investigation of Difficulty of Subsets of Description Logic Ontologies (abstract)
12:41
Predicting OWL Reasoners: Locally or Globally? (abstract)
12:44
Bridging the Gap between Tableau and Consequence-Based Reasoning (abstract)
12:47
Towards a Description Logic for Program Analysis: Extending ALCQIO with Reachability (abstract)
12:50
How to Best Nest Regular Path Queries (abstract)
12:53
Typed Higher-Order Variant of SROIQ - Why Not? (abstract)
12:56
Practical query answering over Hi (DL-LiteR) knowledge bases (abstract)
13:00-14:30Lunch Break
14:30-16:00 Session 75AP: Contributed Talks and Poster Announcements
Location: EI, EI 7
14:30
Is Your Ontology as Hard as You Think? Rewriting Ontologies into Simpler DLs (abstract)
14:55
Abstraction Refinement for Ontology Materialization (abstract)
15:20
Shape and Content: Incorporating Domain Knowledge into Shape Analysis (abstract)
15:45
An ABox Revision Algorithm for the Description Logic EL_\bot (abstract)
15:48
Instance-driven TBox Revision in DL-Lite (abstract)
15:51
Rational Elimination of DL-Lite TBox Axioms (abstract)
15:54
Rational closure in SHIQ (abstract)
15:57
DIP: A Defeasible-Inference Platform for OWL Ontologies (abstract)
16:00-16:30Coffee Break
16:30-19:00 Session 79A: VSL Joint Award Ceremony 1
Location: MB, Kuppelsaal
16:30
Foundations and Technology Competitions Award Ceremony (abstract)
17:30
FLoC Olympic Games Award Ceremony 1 (abstract)
18:15
FLoC Closing Week 1 (abstract)
16:50-18:30 Session 81: Contributed Talks
Location: EI, EI 7
16:50
Goal-Directed Tracing of Inferences in EL Ontologies (abstract)
17:15
Brave and Cautious Reasoning in EL (abstract)
17:40
Matching with respect to general concept inclusions in the Description Logic EL (abstract)
18:05
Contextualized Knowledge Repositories with Justifiable Exceptions (abstract)
Friday, July 18th, 2014

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08:45-10:15 Session 86M: Invited Talk and Contributed Talk (joint with NMR)
Location: EI, EI 7
08:45
Invited Talk: Fragments of Logic, Language, and Computation (abstract)
09:45
On the Non-Monotonic Description Logic ALC+Tmin (abstract)
Thursday, July 17th, 2014

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Friday, July 18th, 2014

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10:15-10:45Coffee Break
10:45-12:00 Session 90AU: Contributed Talks (joint with NMR)
Location: EI, EI 7
10:45
Towards Practical Deletion Repair of Inconsistent DL-programs (abstract)
11:10
An Argumentation System for Reasoning with Conflict-minimal Paraconsistent ALC (abstract)
11:35
Querying Inconsistent Description Logic Knowledge Bases under Preferred Repair Semantics (abstract)
12:00-13:00 Session 94C: Contributed Talks and Poster Announcements
Location: EI, EI 7
12:00
Temporal OBDA with LTL and DL-Lite (abstract)
12:25
Complexity of Temporal Query Abduction in DL-Lite (abstract)
12:50
Temporalising EL Concepts with Time Intervals (abstract)
12:53
Transition Constraints for Temporal Attributes (abstract)
12:56
A Stream-Temporal Query Language for Ontology Based Data Access (abstract)
13:00-14:30Lunch Break
14:30-15:50 Session 96AV: Contributed Talks and Poster Announcements
Location: EI, EI 7
14:30
Gödel FL_0 with Greatest Fixed-Point Semantics (abstract)
14:55
Fuzzy DLs over Finite Lattices with Nominals (abstract)
15:20
A MILP-based decision procedure for the (Fuzzy) Description Logic ALCB (abstract)
15:23
Complexity sources in FDL (abstract)
15:26
Gödel Description Logics with General Models (abstract)
15:29
Certain Answers in a Rough World (abstract)
15:32
Bayesian Description Logics (abstract)
15:35
Reasoning about Belief Uncertainty in DL-Lite N bool (abstract)
15:38
Obfuscation of Semantic Data: Restricting the Spread of Sensitive Information (abstract)
15:41
Measuring Conceptual Similarity in Ontologies: How Bad is a Cheap Measure? (abstract)
15:44
Mary, What's Like All Cats? (abstract)
16:00-16:30Coffee Break
16:40-17:30 Session 100: Contributed Talks
Location: EI, EI 7
16:40
Datalog Rewriting Techniques for Non-Horn Ontologies (abstract)
17:05
Succinctness of Query Rewriting in OWL 2 QL: The Case of Tree-like Queries (abstract)
Saturday, July 19th, 2014

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10:15-10:45Coffee Break
10:45-13:00 Session 109E: Invited Talk, Contributed Talks, and Poster Announcements
Location: EI, EI 7
10:45
Invited Talk: Structured Data on the Web (or, a Personal Journey Away From and Back To Ontologies) (abstract)
11:45
On Faceted Search over Knowledge Bases (abstract)
12:10
Pushing the CFDnc Envelope (abstract)
12:35
OptiqueVQS: Visual Query Formulation for OBDA (abstract)
12:38
Visualization and management of mappings in ontology-based data access (progress report) (abstract)
12:41
Graphol: Ontology representation through diagrams (abstract)
12:44
Reducing global consistency to local consistency in Ontology-based Data Access - Extended Abstract (abstract)
12:47
Expressive Identification Constraints to Capture Functional Dependencies in Description Logics (abstract)
12:50
OBDA Using RL Reasoners and Repairing (abstract)
12:53
A Method to Develop Description Logic Ontologies Iteratively with Automatic Requirement Traceability (abstract)
12:56
Evaluation of Extraction Techniques for Ontology Excerpts (abstract)
13:00-14:30Lunch Break
14:30-16:00 Session 113D: Contributed Talks and Poster Announcements
Location: EI, EI 7
14:30
Query Inseparability by Games (abstract)
14:55
Detecting Conjunctive Query Differences between ELHr-Terminologies using Hypergraphs (abstract)
15:20
Forgetting and Uniform Interpolation for ALC-Ontologies with ABoxes (abstract)
15:45
TBox abduction in ALC using a DL tableau (abstract)
15:48
Understandable Explanations in Description Logic (abstract)
15:51
WApproximation: computing approximate answers for ontological queries (abstract)
15:54
Towards Parallel Repair: An Ontology Decomposition-based Approach (abstract)
15:57
Analyzing the Complexity of Consistent Query Answering under Existential Rules (abstract)
16:00-16:30Coffee Break
16:50-18:30 Session 117: Contributed Talks
Location: EI, EI 7
16:50
Pay-as-you-go Ontology Query Answering Using a Datalog Reasoner (abstract)
17:15
Hybrid Query Answering Over DL Ontologies (abstract)
17:40
Optimised Absorption for Expressive Description Logics (abstract)
18:05
Planning Problems for Graph Structured Data in Description Logics (abstract)
19:00-21:30 Session 122: VSL Reception 2
Location: University of Vienna, Arkadenhof
22:00-23:59 Session 123: VSL Student Reception 2
Location: Säulenhalle (Volksgarten)
Sunday, July 20th, 2014

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09:00-10:15 Session 124: Contributed Talks
Location: EI, EI 7
09:00
Lower and Upper Approximations for Depleting Modules of Description Logic Ontologies (abstract)
09:25
Axiom Dependency Hypergraphs for Fast Modularisation and Atomic Decomposition (abstract)
09:50
DeaLing with Ontologies using CODs (abstract)
10:15-10:45Coffee Break
10:45-13:00 Session 127G: Contributed Talks
Location: EI, EI 7
10:45
Controlled Query Evaluation over Lightweight Ontologies (abstract)
11:10
Query Rewriting under EL TBoxes: Efficient Algorithms (abstract)
11:35
Parallel OWL 2 RL Materialisation in Centralised, Main-Memory RDF Systems (abstract)
12:00
SPARQL Update for Materialized Triple Stores under DL-Lite_RDFS Entailment (abstract)
12:25
XPath for DL-Lite Ontologies (abstract)
13:00-14:30Lunch Break
16:00-16:30Coffee Break