298 search results - page 32 / 60 » Query Rewriting in DL-Lite_^(HN)_horn |
VLDB
2005
ACM
15 years 4 months ago
2005
ACM
The interaction between recursion in XPATH and recursion in DTDs makes it challenging to answer XPATH queries on XML data that is stored in an RDBMS via schema-based shredding. We...
86
Voted
DBPL
2009
Springer
15 years 5 months ago
2009
Springer
In this paper, we revisit the view based security framework for XML without imposing any of the previously considered restrictions on the class of queries, the class of DTDs, and t...
109
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DBPL
1995
Springer
15 years 2 months ago
1995
Springer
Physical design for object-oriented databases is still in its infancy. Implementation decisions often intrude into the conceptual design (such as inverse links and object decompos...
110
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DMSN
2006
ACM
15 years 5 months ago
2006
ACM
In this paper, we study the problem of processing multiple queries in a wireless sensor network. We focus on multiquery optimization at the base station level to minimize the numb...
88
Voted
WWW
2006
ACM
15 years 11 months ago
2006
ACM
We introduce the notion of query substitution, that is, generating a new query to replace a user's original search query. Our technique uses modifications based on typical su...