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sparql
(48 results)-
White Papers
Semantic Retrieval Based on SPARQL and Fuzzy Ontology for Electronic Commerce
October 1, 2011 12:00am PDT
Information retrieval is the important work for Electronic Commerce. Ontology-based semantic retrieval is a hotspot of current research. In order to achieve fuzzy semantic retrieval, this paper...
Provided by: Academy Publisher
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White Papers
ANAPSID: An Adaptive Query Processing Engine for SPARQL Endpoints
August 27, 2011 12:00am PDT
Following the design rules of Linked Data, the number of available SPARQL endpoints that support remote query processing is quickly growing; however, because of the lack of adaptivity, query...
Provided by: Universidad Simon Bolivar
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White Papers
Recommending Open Linked Data in Creativity Sessions Using Web Portals With Collaborative Real Time Environment
August 1, 2011 12:00am PDT
In this paper, the authors describe a concept of the recommender system for collaborative real time web based editing in the context of creativity sessions. The collaborative real time editing...
Provided by: Journal of Universal Computer Science
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White Papers
A Comprehensive Comparative Study of SPARQL and SQL
July 11, 2011 12:00am PDT
With development of Semantic Web, much research focuses on various technologies about Web ontology. Especially, for management and searching of data in Web ontology, various storages based on RDB...
Provided by: International Journal of Computer Science and Information Technologies
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White Papers
Query Answering Over SROIQ Knowledge Bases With SPARQL
June 20, 2011 12:00am PDT
W3C currently extends the SPARQL query language with so-called entailment regimes, which define how queries are evaluated using logical entailment relations. The authors describe a sound and...
Provided by: National Technical University of Athens
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White Papers
Adaptive Semantic Data Management Techniques for Linked Data -Graduate Course Description
June 20, 2011 12:00am PDT
In the context of the Cloud of Linked Data, a large number of huge RDF linked datasets have become available, and this number keeps growing. Simultaneously, scalable and efficient RDF engines that...
Provided by: Universidad Simon Bolivar
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White Papers
Maintaining Temporal Perspective
April 15, 2011 12:00am PDT
The authors present methods for annotating data with the time when it was learned and for answering queries according to what was known at any point in time. Specifically, they present an RDF...
Provided by: Raytheon BBN Technologies
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White Papers
MAPPING BETWEEN RDF and XML WITH XSPARQL
April 1, 2011 12:00am PDT
One of the promises of Semantic Web applications is to seamlessly deal with heterogeneous data. While the EXtensible Markup Language (XML) has become widely adopted as an almost ubiquitous...
Provided by: National University Of Ireland
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White Papers
An Empirical Study of Real-World SPARQL Queries
March 25, 2011 12:00am PDT
Understanding how users tailor their SPARQL queries is crucial when designing query evaluation engines or ne-tuning RDF stores with performance in mind. In this paper the authors analyze 3 million...
Provided by: University of Valladolid
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White Papers
Subqueries in SPARQL
March 1, 2011 12:00am PST
Subqueries are a powerful feature which allows enforcing reuse, composition, rewriting and optimization in a query language. In this paper the authors perform a comprehensive study of the...
Provided by: Universidad de Chile
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White Papers
IQ: The Case for Iterative Querying for Knowledge
January 12, 2011 12:00am PST
Large knowledge bases, the Linked Data cloud, and Web 2.0 communities open up new opportunities for deep question answering to support the advanced information needs of knowledge workers like...
Provided by: Hebrew University of Jerusalem
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White Papers
Reliable SPARQL Queries With Consistent Results Over P2P-Shared RDF Storage
November 19, 2010 12:00am PST
One aim of the semantic web is to build large knowledge bases distributed over the internet. Knowledge management systems that gather, merge and make available the information physically stored in...
Provided by: Politecnico di Torino
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White Papers
Publishing Bibliographic Data on the Semantic Web Using BibBase
September 27, 2010 12:00am PDT
The authors present BibBase, a system for publishing and managing bibliographic data available in BibTeX files on the Semantic Web. BibBase uses a powerful yet light-weight approach to transform...
Provided by: University of Toronto
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White Papers
BibBase Triplified
September 3, 2010 12:00am PDT
The authors present BibBase, a system for publishing and managing bibliographic data available in BibTeX files. BibBase uses a powerful yet light-weight approach to transform BibTeX les into rich...
Provided by: Association for Computing Machinery
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White Papers
nSPARQL: A Navigational Language for RDF
June 18, 2010 12:00am PDT
Navigational features have been largely recognized as fundamental for graph database query languages. This fact has motivated several authors to propose RDF query languages with navigational...
Provided by: Universidad de Chile
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White Papers
XML-Based RDF Data Management for Efficient Query Processing
June 2, 2010 12:00am PDT
The Semantic Web, which represents a web of knowledge, offers new opportunities to search for knowledge and information. To harvest such search power requires robust and scalable data repositories...
Provided by: Association for Computing Machinery
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White Papers
Redundancy Elimination on RDF Graphs in the Presence of Rules, Constraints, and Queries
June 1, 2010 12:00am PDT
Based on practical observations on rule-based inference on RDF data, the authors study the problem of redundancy elimination on RDF graphs in the presence of rules (in the form of Datalog rules)...
Provided by: National University Of Ireland
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White Papers
An Execution Environment for C-SPARQL Queries
March 26, 2010 12:00am PDT
Continuous SPARQL (C-SPARQL) is proposed as new language for continuous queries over streams of RDF data. It covers a gap in the Semantic Web abstractions which is needed for many emerging...
Provided by: Association for Computing Machinery
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White Papers
Querying XML Data With SPARQL
January 31, 2010 12:00am PST
SPARQL is today the standard access language for Semantic Web data. In the recent years XML databases have also acquired industrial importance due to the widespread applicability of XML in the...
Provided by: Technical University of Crete
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Blog Post
Explore the Semantic Web's standards and real-world applications
December 28, 2009 4:34pm PST
Here's an overview of the Semantic Web standards RDF and SPARQL and a look at two real-world applications that have emerged from the Semantic Web concept.
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