6974 search results - page 1352 / 1395 » Querying Semi-Structured Data |
EDBT
2009
ACM
14 years 13 days ago
2009
ACM
In a publish-subscribe system based on filtering of XML documents, subscribers specify their interests with profiles expressed in the XPath language. The system processes a stre...
SSD
2001
Springer
14 years 7 days ago
2001
Springer
Recently there is much interest in moving objects databases, and data models and query languages have been proposed offering data types such as moving point and moving region toge...
PODS
1999
ACM
14 years 4 days ago
1999
ACM
Query optimizers rely on fast, high-quality estimates of result sizes in order to select between various join plans. Selfjoin sizes of relations provide bounds on the join size of...
WCRE
1999
IEEE
14 years 3 days ago
1999
IEEE
Java applets have been used increasingly on web sites to perform client-side processing and provide dynamic content. While many web site analysis tools are available, their focus ...
COMPGEOM
2007
ACM
13 years 11 months ago
2007
ACM
The paper consists of two major parts. In the first part, we re-examine relative -approximations, previously studied in [12, 13, 18, 25], and their relation to certain geometric p...