369 search results - page 40 / 74 » Querying Distributed RDF Data Sources with SPARQL |
130
Voted
PDIS
1996
IEEE
15 years 4 months ago
1996
IEEE
A warehouse is a data repository containing integrated information for e cient querying and analysis. Maintaining the consistency of warehouse data is challenging, especially if t...
99
Voted
AMAI
2005
Springer
15 years 11 days ago
2005
Springer
Mediator systems integrate distributed, heterogeneous and autonomous data sources, but their e ective use requires the solution of hard query optimization problems. This is usuall...
127
Voted
DASFAA
2006
IEEE
15 years 6 months ago
2006
IEEE
Abstract. In emerging data stream applications, data sources are typically distributed. Evaluating multi-join queries over streams from different sources may incur large communica...
195
Voted
SIGMOD
2009
ACM
16 years 20 days ago
2009
ACM
Ranking queries are essential tools to process large amounts of probabilistic data that encode exponentially many possible deterministic instances. In many applications where unce...
93
Voted
FLAIRS
2007
15 years 2 months ago
2007
Web search engines like Google have made us all smarter by providing ready access to the world's knowledge whenever we need to look up a fact, learn about a topic or evaluate...