464 search results - page 2 / 93 » Querying Shapes of Histories |
VLDB
2004
ACM
13 years 11 months ago
2004
ACM
Adaptive query processing schemes attempt to reoptimize query plans during the course of query execution. A variety of techniques for adaptive query processing have been proposed,...
SIGIR
2008
ACM
13 years 5 months ago
2008
ACM
Personalized search is a promising way to better serve different users' information needs. Search history is one of the major information sources for search personalization. ...
ICDE
2006
IEEE
14 years 7 months ago
2006
IEEE
We introduce a new domain-independent framework for formulating and efficiently evaluating similarity queries over historical data, where given a history as a sequence of timestam...
PVLDB
2010
13 years 4 months ago
2010
XMorph is a new, shape polymorphic, domain-specific XML query language. A query in a shape polymorphic language adapts to the shape of the input, freeing the user from having to k...
AMW
2009
13 years 6 months ago
2009
We investigate the space requirements for summaries needed for maintaining exact answers to aggregate queries over histories of relational databases. We show that, in general, a su...