25041 search results - page 4881 / 5009 » Algorithms for Clustering Data |
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Today's enterprise databases are large and complex, often relating hundreds of entities. Enabling ordinary users to query such databases and derive value from them has been o...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
Querying XML effectively and efficiently using declarative languages such as XQuery and XPath has been widely studied in both academic and industrial settings. Most RDBMS vendors ...
SIGMOD
2007
ACM
14 years 9 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 ...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...