264 search results - page 47 / 53 » XML-Based RDF Data Management for Efficient Query Processing |
GIS
2007
ACM
14 years 8 months ago
2007
ACM
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
VLDB
1994
ACM
13 years 11 months ago
1994
ACM
Full-text information retrieval systems have traditionally been designed for archival environments. They often provide little or no support for adding new documents to an existing...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
This paper addresses the challenging problem of similarity search over widely distributed ultra-high dimensional data. Such an application is retrieval of the top-k most similar d...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...