75 search results - page 4 / 15 » Using Reformulation Trees to Optimize Queries over Distribut... |
SIGMOD
1995
ACM
13 years 9 months ago
1995
ACM
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...
SAC
2006
ACM
14 years 8 days ago
2006
ACM
In this paper, we show that representation and reasoning techniques used in traditional knowledge engineering and the emerging Semantic Web can play an important role for heteroge...
DEXAW
2005
IEEE
13 years 12 months ago
2005
IEEE
Increasing popularity of XML and P2P networks has generated much interest in distributed processing of XML data. We propose a novel solution organized around a mediator capable of...
IJCIS
1998
13 years 6 months ago
1998
We present the systematic design and development of a distributed query scheduling service DQS in the context of DIOM, a distributed and interoperable query mediation system 26 ...
OTM
2005
Springer
13 years 11 months ago
2005
Springer
Abstract. Caching can highly improve performance of query processing in distributed databases. In this paper we show how this technique can be used in grid architecture where data ...