87 search results - page 5 / 18 » Executing SPARQL Queries over the Web of Linked Data |
ICEIS
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract. In the Web environment, rich, diverse sources of heterogeneous and distributed data are ubiquitous. In fact, even the information characterizing a single entity - like, f...
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
Large knowledge bases consisting of entities and relationships between them have become vital sources of information for many applications. Most of these knowledge bases adopt the...
DEXAW
2009
IEEE
14 years 2 months ago
2009
IEEE
—In this paper RDFStats is introduced, which is a generator for statistics of RDF sources like SPARQL endpoints and RDF documents. RDFStats does not only provide a statistics gen...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...
WWW
2005
ACM
14 years 8 months ago
2005
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...