The Semantic Web: Research and Applications
8th Extended Semantic Web Conference, ESWC 2011, Heraklion, Crete, Greece, May 29 - June 2, 2011. Proceedings, Part II
Published on 11. June 2011
XXIV, 520 pages
978-3-642-21064-8 (ISBN)
Description
The books (LNCS 6643 and 6644) constitute the refereed proceedings of the 8th European Semantic Web Conference, ESWC 2011, held in Heraklion, Crete, Greece, in May/June 2011. The 57 revised full papers of the research track presented together with 7 PhD symposium papers and 14 demo papers were carefully reviewed and selected from 291 submissions. The papers are organized in topical sections on digital libraries track; inductive and probabilistic approaches track; linked open data track; mobile web track; natural language processing track; ontologies track; and reasoning track (part I); semantic data management track; semantic web in use track; sensor web track; software, services, processes and cloud computing track; social web and web science track; demo track, PhD symposium (part II).
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Grigoris Antoniou | Marko Grobelnik | Elena Simperl
The Semantic Web: Research and Applications
8th Extended Semantic Web Conference, ESWC 2011, Heraklion, Crete, Greece, May 29 - June 2, 2011. Proceedings, Part II
Book
05/2011
Springer
€53.49
Shipment within 5-7 days
Content
- Title
- Preface
- Organization
- Table of Contents
- Semantic Data Management Track
- Semantics and Optimization of the SPARQL 1.1 Federation Extension
- Introduction
- Syntax and Semantics of the SPARQL 1.1 Federation Extension
- Syntax of the Federation Extension
- Semantics of the Federation Extension
- On Evaluating the SERVICE Operator
- The Notion of Boundedness
- The Notion of Service-Safeness: Considering Sub-patterns and Nested Service Operators
- Optimizing the Evaluation of the OPTIONAL Operator in SPARQL Federated Queries
- Optimization via Well-Designed Patterns
- Implementation of SPARQL-DQP and Well-Designed Patterns Optimization
- Implementation: SPARQL-DQP
- Evaluation
- References
- Grr: Generating Random RDF
- Introduction
- Abstract Generation Language
- Concrete Generation Language
- Optimization Techniques
- Experimentation
- Conclusion
- References
- High-Performance Computing Applied to Semantic Databases
- Introduction
- Cray XMT
- Code Libraries for the XMT
- Dictionary Encoding
- Results
- RDFS Closure
- Results
- Data Model: A Graph
- Querying
- Results
- Conclusions
- References
- An Intermediate Algebra for Optimizing RDF Graph Pattern Matching on MapReduce
- Introduction
- Background and Motivation
- RDF Graph Pattern Matching
- Graph Pattern Matching in Apache Pig
- Foundations
- Data Model and Algebra
- RAPID+: Integrating NTGA Operators into Pig
- Evaluation
- Setup
- Experiment Results
- Related Work
- Conclusion
- References
- Query Relaxation for Entity-Relationship Search
- Introduction
- Motivation
- Query Relaxation Problem
- Our Approach
- Relaxation Framework
- Relaxation Strategy
- Constructing Documents and LMs
- Examples
- Using Other Information Sources
- Relaxing Queries and Ranking Results
- Generating Relaxed Queries
- Result Ranking
- Experimental Evaluation
- Setup
- Quality of Relaxations
- Quality of Query Results
- Related Work
- Conclusion
- References
- Optimizing Query Shortcuts in RDF Databases
- Introduction
- Problem Formulation
- Preliminary Concepts
- Estimating Shortcut Benefit
- Space-Constrained Benefit Maximization
- Bi-criterion Optimization
- Linear Relaxation
- Evaluation
- Related Work
- Conclusions
- References
- RDFS Update: From Theory to Practice
- Introduction
- Preliminaries
- Semantics of Erase in RDF
- Approximating Erase in RDF
- Computing the Erase in RDF
- Erasing a Triple from a Graph
- Erasing a Graph from a Graph
- Computing the Delta Candidates in Practice
- Computing RDF Schema Erasure
- Computing RDF Instance Erasure
- Related Work
- Conclusions
- References
- Benchmarking Matching Applications on the Semantic Web
- Introduction
- Related Work
- The SWING Approach
- Data Acquisition
- Data Transformation
- Data Transformation Procedure
- Combining Transformations and Defining the Expected Results
- Experimental Results
- Concluding Remarks
- References
- Efficiently Evaluating Skyline Queries on RDF Databases
- Introduction
- Contributions
- Background and Problem Statement
- Evaluating the Skyline over the Join of Multiple-Relations
- Header Point and Its Prunability
- RDFSkyJoinWithFullHeader (RSJFH)
- Near-Complete Algorithms
- RDFSkyJoinWithPartialHeader (RSJPH)
- Relaxing Prunability of Partially Updated Header Point
- Experimental Evaluation
- Related Work
- Conclusion and Future Work
- References
- The Design and Implementation of Minimal RDFS Backward Reasoning in 4store
- Introduction
- Related Work
- Minimal RDFS Reasoning
- 4store
- Minimal RDFS and 4sr's Distributed Model
- 4sr Design and Implementation
- bind' and Minimal RDFS Semantics
- LUBM Scalability Evaluation
- Conclusions and Future Work
- Future Work
- References
- Semantic Web in Use Track
- miKrow: Semantic Intra-enterprise Micro-Knowledge Management System
- Introduction
- State of the Art
- Knowledge Management
- Semantics in Social Networks
- Semantic Processing in Knowledge Management
- A Lightweight Approach towards Knowledge Management
- Semantic Indexing and Semantic Search
- Semantic Indexing.
- Semantic Search.
- Knowledge Base Modelling
- Knowledge Boosting Techniques
- Tackling the Cold Start Problem by Leveraging Existing Knowledge
- Linked Data Consumption
- Context-Aware Knowledge Management
- Connecting to Enterprise Information Systems
- Microblogging as a User Interaction Layer
- miKrow Implementation
- Microblogging Engine.
- Semantic Engine.
- Communication between layers.
- miKrow Evaluation
- Conclusions
- References
- A Faceted Ontology for a Semantic Geo-Catalogue
- Introduction
- The Architecture
- Data Extraction and Filtering
- The Dataset of the Autonomous Province of Trento
- Extracting the Macro-Classes
- Extracting the Locations
- Double Names: Bilingual Issues
- Provide Missing Data and Remove Duplicates
- Building the Faceted Ontology
- From Macro-Classes to Atomic Concepts
- Arrange Atomic Concepts into Hierarchies
- Populating the Faceted Ontology
- Integration with GeoWordNet
- Concept Integration
- Entity Matching
- Entity Integration
- Conclusions
- References
- SoKNOS - Using Semantic Technologies in Disaster Management Software
- Introduction
- Use Cases and Ontology-Based Improvements in the SoKNOS Disaster Management Application
- Use Case 1: System Extensibility
- Use Case 2: Simplified Database Integration
- Use Case 3: Improved Search
- Use Case 4: Improved Discovery of External Sensor Observation Services
- Use Case 5: Plausibility Checks
- Use Case 6: Improved Information Visualization
- Lessons Learned - Disaster Management Applications and Ontologies
- Ontology Engineering Process
- Software Engineering Process and Ontologies
- Ontology Usage and Suitability
- Conclusion
- References
- Semantic Technologies for Describing Measurement Data in Databases
- Introduction
- Background and Related Work
- Usage of Semantic Technologies
- RDF-Stores
- Mapping of Relational Databases into RDF
- Scientific Workflow Systems
- Data Management
- Use Cases
- Common Architecture
- Annotation of Relational Data
- User Interface
- Example Application Cases
- Data Quality Management
- Description of Manoeuvres
- Summary and Outlook
- References
- Ontology-Driven Guidance for Requirements Elicitation
- Introduction
- Related Work
- Requirements Engineering
- Elicitation Guidance
- Pattern-Based Requirements
- Research Issues
- Guidance for Boilerplate Requirements
- Boilerplate Requirements Elicitation
- Domain Ontology
- Guidance
- Evaluation
- Setting
- Results
- Conclusion and Future Work
- References
- The Semantic Public Service Portal (S-PSP)
- Introduction
- Related Work
- Semantic Public Service Portal (S-PSP)
- S-PSP Architecture
- Semantic Description of Public Services
- Service Tree Ontology
- Public Service Ontology
- Other Ontologies
- Query Mechanism's (QM) Usage of an STO
- S-PSP In-Use: Rural Inclusion Trial-Site Chios
- Evaluation
- Conclusion
- References
- DataFinland-A Semantic Portal for Open and Linked Datasets
- Metadata for Linked Datasets
- Overview of the Publication Process
- Metadata and Ontologies
- Extending voiD
- From Annotations to Faceted Search
- SAHA 3 Metadata Editor
- HAKO Faceted Search Engine
- DataFinland
- Discussion
- Contributions
- Related Work
- Future Work
- References
- Biological Names and Taxonomies on the Semantic Web - Managing the Change in Scientific Conception
- Introduction
- Biological Names and Taxonomies
- TaxMeOn - Meta-ontology of Biological Names
- Use Cases
- Collaborative Management of Vascular Plants Names
- Publishing Species Lists as Ontology Services
- Management of Individual Scientific Names
- Discussion
- Related Work
- Future Work
- References
- An Approach for More Efficient Energy Consumption Based on Real-Time Situational Awareness
- Introduction
- Energy Efficiency in Offices: State of the Art and Requirements Analysis
- iCEP Approach for the Energy Efficiency
- Information Model
- ETALIS
- Example
- Domain Ontology
- Evaluation
- Related Work
- Conclusions
- References
- Sensor Web Track
- Ontology-Driven Complex Event Processing in Heterogeneous Sensor Networks
- Introduction
- Architecture - Event Framework
- Ontology-Driven User Interface
- Events
- Alerts
- Observations
- Triggers
- Semantic Event Middleware
- Communication with the User Interface
- Transforming Ontology Data into EPL Statements
- Semantic Optimisation of Streams
- Management Module Interfaces
- Related Work
- Future Work and Conclusion
- References
- A Semantically Enabled Service Architecture for Mashups over Streaming and Stored Data
- Introduction
- Motivating Scenario and Requirements
- Flood Emergency Planning Scenario
- Requirements
- Modelling Semantic Sensor Web Information
- Semantic Sensor Web Architecture
- Data Source Services
- Semantic Registry Service
- Semantic Integration Service
- Application Services
- Summary
- The Flood Scenario Deployment
- Related Work
- Conclusions
- References
- Software, Services, Processes and Cloud Computing Track
- Zhi# - OWL Aware Compilation
- Introduction
- The Zhi# Programming Language
- Static Typing
- Dynamic Checking
- Validation
- Related Work
- Conclusion
- References
- Lightweight Semantic Annotation of Geospatial RESTful Services
- Introduction
- Related Work
- An Approach for the Automatic Semantic Annotation of RESTful Services
- A Sample Set of RESTful Services in the Geospatial Domain
- Syntactic Description Storing: Invocation and Registration Details into a Repository
- Semantic Annotation
- Checking the Semantic Annotation of RESTful Services
- Experimental Results
- Conclusions and Future Work
- References
- Towards Custom Cloud Services
- Introduction
- Use Case, Requirements and Related Work
- Use Case
- Requirements
- Related Work
- Custom Cloud Service Configuration
- Functional Requirements
- Knowledge Representation
- Dependency Graph Algorithm
- Preferences
- Optimization
- Evaluation
- Implementation
- Requirements Review
- Conclusion
- References
- Social Web and Web Science Track
- One Tag to Bind Them All: Measuring Term Abstractness in Social Metadata
- Introduction
- Related Work
- Basic Notions
- Taxonomies, Core Ontologies and Lexicons.
- Folksonomies.
- Term Graphs.
- Measures of Tag Generality
- Frequency-based measures.
- Entropy-based measures.
- Centrality Measures.
- Statistical Subsumption.
- Evaluation
- Grounding Datasets
- Tagging Dataset
- Direct Evaluation Metric
- Derived Measures
- Shortest path to taxonomy root.
- Number of subordinate terms.
- Validation by user study.
- Discussion
- Conclusions
- References
- Semantic Enrichment of Twitter Posts for User Profile Construction on the Social Web
- Introduction and Motivation
- Related Work
- How to Exploit Twitter for Semantic User Modeling?
- Analyzing Linkage between Tweets and News for Semantic Enrichment
- Strategies for Discovering Tweet-News Relations
- Analysis and Evaluation
- Analyzing User Profile Construction Based on Semantic Enrichment
- User Modeling Strategies
- Analysis and Evaluation
- Conclusions and Future Work
- References
- Improving Categorisation in Social Media Using Hyperlinks to Structured Data Sources
- Introduction
- Related Work
- Enhanced Post Representations
- Data Corpus
- Analysis of the External Metadata
- Classification Experiments
- Experimental Setup
- Experimental Results
- Discussion
- Conclusion
- References
- Predicting Discussions on the Social Semantic Web
- Introduction
- Background and Related Work
- Behaviour Ontology
- Identifying Discussion Seeds
- Feature Extraction
- Experiments
- Results
- Predicting Discussion Activity Levels
- Experiments
- Results
- Conclusions
- References
- Mining for Reengineering: An Application to Semantic Wikis Using Formal and Relational Concept Analysis
- Introduction
- Problem Setting and Wiki Terminology
- Introducing Formal Concept Analysis (FCA) and Relational Concept Analysis (RCA)
- Formal Concept Analysis
- Relational Concept Analysis
- Methodology
- Construction of the Relational Context Family
- Analyzing Formal Concepts of the Concept Lattice
- Experimental Results
- From Wikis to Lattices
- Results
- Discussion
- Related Works and Conclusion
- References
- Demo Track
- SmartLink: A Web-Based Editor and Search Environment for Linked Services
- Introduction
- SmartLink: Linked Services Editor and Search Environment
- Discussion and Conclusion
- References
- ViziQuer: A Tool to Explore and Query SPARQL Endpoints
- Introduction
- Overview of the Tool
- Results and Conclusions
- References
- EasyApp: Goal-Driven Service Flow Generator with Semantic Web Service Technologies
- Introduction
- EasyApp
- System Overview
- Key Technologies
- Use Case - Hiring Process
- Conclusions
- References
- Who's Who - A Linked Data Visualisation Tool for Mobile Environments
- Introduction
- Application Scenario
- The Who's Who Application
- Exploiting Context to Augment Physical Entities
- Processing of Linked Data on Mobile Devices
- Visualisation
- Related Work
- Summary
- References
- OntosFeeder - A Versatile Semantic Context Provider for Web Content Authoring
- Introduction
- Feature Description and User Interface Walkthrough
- Architecture
- Embedding Metadata
- Related Work and Summary
- References
- wayOU - Linked Data-Based Social Location Tracking in a Large, Distributed Organisation
- Introduction
- The wayOU Android Application
- Interface and Demonstration
- Conclusion, Future Work and Challenges
- References
- SeaFish: A Game for Collaborative and Visual Image Annotation and Interlinking
- Motivation
- Collaborative and Game-Based Image Annotation
- Discussion and Outlook
- Conclusion
- References
- The Planetary System: Executable Science, Technology, Engineering and Math Papers
- Application Context: STEM Document Collections
- Key Technology: Semantics-Preserving Transformations
- Demo: Interactive Services and the PlanetaryAPI
- Related Work
- Conclusion and Outlook
- References
- Semantic Annotation of Images on Flickr
- Introduction
- Semantic Annotation Platform
- Semantic Photo Annotation
- Semi-automatic Semantic Annotation
- Manual Semantic Annotation
- Semantic Search
- Demonstration
- References
- FedX: A Federation Layer for Distributed Query Processing on Linked Open Data
- Introduction
- FedX - Design and System Overview
- Demonstrating FedX in the Information Workbench
- Conclusion and Future Work
- References
- PhD Symposium
- Reasoning in Expressive Extensions of the RDF Semantics
- Problem Statement and State of the Art
- Proposed Approach and Methodology
- Current Status and Initial Results
- Conclusions and Future Work
- References
- Personal Semantics: Personal Information Management in the Web with Semantic Technologies
- Research Problem
- State of the Art
- Propose Approach and Methodology
- Initial Results
- Future Work
- References
- Reasoning with Noisy Semantic Data
- Problem Statement
- State of the Art
- Proposed Approach and Methodology
- Statistical Reasoning with Noisy Linked Data
- Handling OWL Inconsistency in Linked Data
- Mapping Repair and Evaluation
- Evaluation
- Results
- Conclusions
- References
- Extracting and Modeling Historical Events to Enhance Searching and Browsing of Digital Cultural Heritage Collections
- Research Context and Problem Statement
- State of the Art
- Approach
- Methodology
- Achieved Results and Future Work
- References
- Enriching Ontologies by Learned Negation
- Problem Statement
- State of the Art
- Expected Contributions
- Methodology and Approach
- Conclusion
- References
- Optimizing Query Answering over OWL Ontologies
- Problem
- State of the Art
- Proposed Approach and Methodology
- Results
- Conclusion
- References
- Hybrid Search Ranking for Structured and Unstructured Data
- Introduction
- Problem Definition
- State of the Art
- Proposed Approach
- Evaluation Methodology
- Conclusion
- References
- Author Index
