25 search results - page 5 / 5 » Query containment and rewriting using views for regular path... |
SIGMOD
2007
ACM
14 years 4 months ago
2007
ACM
Translating data and data access operations between applications and databases is a longstanding data management problem. We present a novel approach to this problem, in which the...
PLANX
2007
13 years 6 months ago
2007
We present an algorithm to solve XPath decision problems under regular tree type constraints and show its use to statically typecheck XPath queries. To this end, we prove the deci...
KDD
2009
ACM
14 years 5 months ago
2009
ACM
Recently many data types arising from data mining and Web search applications can be modeled as bipartite graphs. Examples include queries and URLs in query logs, and authors and ...
POPL
2004
ACM
14 years 5 months ago
2004
ACM
We aim to specify program transformations in a declarative style, and then to generate executable program transformers from such specifications. Many transformations require non-t...
VLDB
2001
ACM
13 years 9 months ago
2001
ACM
We propose an novel method of computing and storing DataCubes. Our idea is to use Bayesian Networks, which can generate approximate counts for any query combination of attribute v...