Table of contents : Front Matter....Pages - A Flexible Querying Approach Based on Outranking and Classification....Pages 1-12 Ranking Approximate Query Rewritings Based on Views....Pages 13-24 A Model for Contextual Cooperative Query Answering in E-Commerce Applications....Pages 25-36 Reasoning on Incompleteness of Spatial Information for Effectively and Efficiently Answering Range Queries over Incomplete Spatial Databases....Pages 37-52 Abstracting Query Building for Multi-entity Faceted Browsing....Pages 53-63 On Fuzzy vs. Metric Similarity Search in Complex Databases....Pages 64-75 Querying Context-Aware Databases....Pages 76-87 An Exploratory Study on Using Social Information Networks for Flexible Literature Access....Pages 88-98 Dynamically Personalizing Search Results for Mobile Users....Pages 99-110 On the Selection of the Best Retrieval Result Per Query –An Alternative Approach to Data Fusion–....Pages 111-121 Sociomapping in Text Retrieval Systems....Pages 122-133 Query Reformulation Based on Relevance Feedback....Pages 134-144 Multi-objective Query Optimization Using Topic Ontologies....Pages 145-156 Effectiveness of Aggregation Methods in Blog Distillation....Pages 157-167 Structural Relevance Feedback in XML Retrieval....Pages 168-178 Query Disambiguation Based on Novelty and Similarity User’s Feedback....Pages 179-190 Extraction of 3D Feature Descriptor Using the Distribution of Normal Vectors....Pages 191-200 Re-ranking Documents Based on Query-Independent Document Specificity....Pages 201-214 Browsing Recommendation Based on the Intertemporal Choice Model....Pages 215-226 Design of an Interface for Interactive Topic Detection and Tracking....Pages 227-238 Representing Context Information for Document Retrieval....Pages 239-250 Searching Multiple Artifacts: A Comprehensive Framework for Complex Search Situations....Pages 251-262 Expected Answer Type Identification from Unprocessed Noisy Questions....Pages 263-274 ONTOGRABBING: Extracting Information from Texts Using Generative Ontologies....Pages 275-286 Mining Tree-Based Frequent Patterns from XML....Pages 287-299 Automatic Web Pages Author Extraction....Pages 300-311 Syntactic Extraction Approach to Processing Local Document Collections....Pages 312-322 Conceptual Indexing of Text Using Ontologies and Lexical Resources....Pages 323-332 Information Extraction from Text Based on Semantic Inferentialism....Pages 333-344 Flexible SPARQL Querying of Web Data Tables Driven by an Ontology....Pages 345-357 Trajectory Clustering via Effective Partitioning....Pages 358-370 Semantically Expanding Questions for Supervised Automatic Classification....Pages 371-381 GRAANK: Exploiting Rank Correlations for Extracting Gradual Itemsets....Pages 382-393 Controlled Aggregate Tree Shaped Questions over Ontologies....Pages 394-405 A Semantic Similarity Measure for Ontology-Based Information....Pages 406-417 An Extendable Meta-learning Algorithm for Ontology Mapping....Pages 418-430 Accessing and Documenting Relational Databases through OWL Ontologies....Pages 431-442 A Formal Framework on the Semantics of Regulatory Relations and Their Presence as Verbs in Biomedical Texts....Pages 443-452 Ontology Graphical Editor for Multilingual Document Search System....Pages 453-464 Finding Top- k Approximate Answers to Path Queries....Pages 465-476 Extraction of Conditional and Causal Sentences from Queries to Provide a Flexible Answer....Pages 477-487 Semantic Enrichment of Database Textual Attributes....Pages 488-499 Interlingual Information Extraction as a Solution for Multilingual QA Systems....Pages 500-511 Semantic Paraphrasing for Information Retrieval and Extraction....Pages 512-523 Named Entity Recognition Experiments on Turkish Texts....Pages 524-535 Fuzzy Querying in Intelligent Information Systems....Pages 536-547 Content-Based Retrieval of Audio in News Broadcasts....Pages 548-559 Linguistic Summary-Based Query Answering on Data Cubes with Time Dimension....Pages 560-571 About Bipolar Division Operators....Pages 572-582 On Reaching Consensus by a Group of Collaborating Agents....Pages 583-592 Dealing with Positive and Negative Query Criteria in Fuzzy Database Querying....Pages 593-604 Predicting Neighbor Goodness in Collaborative Filtering....Pages 605-616 Content-Oriented Relevance Feedback in XML-IR Using the Garnata Information Retrieval System....Pages 617-628 Exploiting Social Tagging Profiles to Personalize Web Search....Pages 629-640 Incremental Personalised Summarisation with Novelty Detection....Pages 641-652 Stream Reasoning: A Survey and Further Research Directions....Pages 653-662 Feed Querying as a Proxy for Querying the Web....Pages 663-674 Back Matter....Pages -