950 search results - page 80 / 190 » Evaluation over thousands of queries |
ICDE
2005
IEEE
14 years 11 months ago
2005
IEEE
We present ViteX, an XPath processing system on XML streams with polynomial time complexity. ViteX uses a polynomial-space data structure to encode an exponential number of patter...
SIGMOD
2012
ACM
12 years 20 days ago
2012
ACM
While extensive work has been done on evaluating queries over tuple-independent probabilistic databases, query evaluation over correlated data has received much less attention eve...
CIKM
2008
Springer
14 years 6 days ago
2008
Springer
Researchers investigating personalization techniques for Web Information Retrieval face a challenge; that the data required to perform evaluations, namely query logs and clickthro...
WWW
2005
ACM
14 years 11 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 ...
SIGMOD
2002
ACM
14 years 10 months ago
2002
ACM
In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tr...