178 search results - page 19 / 36 » Answering Recursive Queries Using Views |
SIGMOD
1995
ACM
13 years 11 months ago
1995
ACM
When querying a temporal database, a user often makes certain semantic assumptions on stored temporal data. This paper formalizes and studies two types of semantic assumptions: po...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...
CIKM
1994
Springer
13 years 11 months ago
1994
Springer
Accessing information sources to retrieve data requested by a user can be expensive, especially when dealing with distributed information sources. One way to reduce this cost is t...
Publication
Spatio-temporal data streams that are generated from mobile stream sources (e.g., mobile sensors) experience similar environmental conditions that result in distinct phenomena. Sev...
WWW
2002
ACM
14 years 8 months ago
2002
ACM
We present an algorithm for translating XSLT programs into SQL. Our context is that of virtual XML publishing, in which a single XML view is defined from a relational database, an...