127 search results - page 18 / 26 » Conjunctive Query Containment under Access Limitations |
ICDE
2007
IEEE
15 years 3 months ago
2007
IEEE
We consider the problem of semantic load shedding for continuous queries containing window joins on multiple data streams and propose a robust approach that is effective with the ...
CAISE
2006
Springer
15 years 1 months ago
2006
Springer
One important task of semantic web portals is to offer both end users and applications a seamless access to knowledge contained in heterogeneous data sources in specific user commu...
FLAIRS
2007
14 years 12 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...
DASFAA
2005
IEEE
15 years 3 months ago
2005
IEEE
The fundamental drawback of unstructured peer-to-peer (P2P) networks is the flooding-based query processing protocol that seriously limits their scalability. As a result, a signiï...
EUROMICRO
2000
IEEE
15 years 1 months ago
2000
IEEE
The WWW makes learning materials widely accessible and provides an environment where people can learn across time and space. However, the simple read-only information structure on...