The Semanic Web: Research and Applications: 8th Extended Semantic Web Conference, ESWC 2011, Heraklion, Crete, Greece, May 29 – June 2, 2011, Proceedings, Part II

Front Matter....Pages -
Semantics and Optimization of the SPARQL 1.1 Federation Extension....Pages 1-15
Grr: Generating Random RDF....Pages 16-30
High-Performance Computing Applied to Semantic Databases....Pages 31-45
An Intermediate Algebra for Optimizing RDF Graph Pattern Matching on MapReduce....Pages 46-61
Query Relaxation for Entity-Relationship Search....Pages 62-76
Optimizing Query Shortcuts in RDF Databases....Pages 77-92
RDFS Update: From Theory to Practice....Pages 93-107
Benchmarking Matching Applications on the Semantic Web....Pages 108-122
Efficiently Evaluating Skyline Queries on RDF Databases....Pages 123-138
The Design and Implementation of Minimal RDFS Backward Reasoning in 4store....Pages 139-153
miKrow: Semantic Intra-enterprise Micro-Knowledge Management System....Pages 154-168
A Faceted Ontology for a Semantic Geo-Catalogue....Pages 169-182
SoKNOS – Using Semantic Technologies in Disaster Management Software....Pages 183-197
Semantic Technologies for Describing Measurement Data in Databases....Pages 198-211
Ontology-Driven Guidance for Requirements Elicitation....Pages 212-226
The Semantic Public Service Portal (S-PSP)....Pages 227-242
DataFinland—A Semantic Portal for Open and Linked Datasets....Pages 243-254
Biological Names and Taxonomies on the Semantic Web – Managing the Change in Scientific Conception ....Pages 255-269
An Approach for More Efficient Energy Consumption Based on Real-Time Situational Awareness....Pages 270-284
Ontology-Driven Complex Event Processing in Heterogeneous Sensor Networks....Pages 285-299
A Semantically Enabled Service Architecture for Mashups over Streaming and Stored Data....Pages 300-314
Zhi# – OWL Aware Compilation....Pages 315-329
Lightweight Semantic Annotation of Geospatial RESTful Services....Pages 330-344
Towards Custom Cloud Services....Pages 345-359
One Tag to Bind Them All: Measuring Term Abstractness in Social Metadata....Pages 360-374
Semantic Enrichment of Twitter Posts for User Profile Construction on the Social Web....Pages 375-389
Improving Categorisation in Social Media Using Hyperlinks to Structured Data Sources....Pages 390-404
Predicting Discussions on the Social Semantic Web....Pages 405-420
Mining for Reengineering: An Application to Semantic Wikis Using Formal and Relational Concept Analysis....Pages 421-435
SmartLink: A Web-Based Editor and Search Environment for Linked Services....Pages 436-440
ViziQuer: A Tool to Explore and Query SPARQL Endpoints....Pages 441-445
EasyApp: Goal-Driven Service Flow Generator with Semantic Web Service Technologies....Pages 446-450
 Who’s Who – A Linked Data Visualisation Tool for Mobile Environments....Pages 451-455
OntosFeeder – A Versatile Semantic Context Provider for Web Content Authoring....Pages 456-460
wayOU – Linked Data-Based Social Location Tracking in a Large, Distributed Organisation....Pages 461-465
SeaFish: A Game for Collaborative and Visual Image Annotation and Interlinking....Pages 466-470
The Planetary System: Executable S cience, T echnology, E ngineering and M ath Papers....Pages 471-475
Semantic Annotation of Images on Flickr....Pages 476-480
FedX: A Federation Layer for Distributed Query Processing on Linked Open Data....Pages 481-486
Reasoning in Expressive Extensions of the RDF Semantics....Pages 487-491
Personal Semantics: Personal Information Management in the Web with Semantic Technologies....Pages 492-496
Reasoning with Noisy Semantic Data....Pages 497-502
Extracting and Modeling Historical Events to Enhance Searching and Browsing of Digital Cultural Heritage Collections....Pages 503-507
Enriching Ontologies by Learned Negation....Pages 508-512
Optimizing Query Answering over OWL Ontologies....Pages 513-517
Hybrid Search Ranking for Structured and Unstructured Data....Pages 518-522
Back Matter....Pages -