770 search results - page 91 / 154 » An Approach to Querying Multiple Object Databases |
WWW
2005
ACM
14 years 9 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 ...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
We consider the coverage testing problem where we are given a document and a corpus with a limited query interface and asked to find if the corpus contains a near-duplicate of th...
ICDE
2009
IEEE
14 years 3 months ago
2009
IEEE
Abstract—A text filtering system monitors a stream of incoming documents, to identify those that match the interest profiles of its users. The user interests are registered at ...
ADBIS
2010
Springer
13 years 10 months ago
2010
Springer
Abstract. The need for location-based services has motivated an important research effort in the efficient processing of location-dependent queries. Most of the existing approaches...
SIGMOD
1999
ACM
14 years 1 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...