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SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Reachability queries on large directed graphs have attracted much attention recently. The existing work either uses spanning structures, such as chains or trees, to compress the c...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Entity Resolution (ER) is an important real world problem that has attracted significant research interest over the past few years. It deals with determining which object descript...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
Recently, skyline queries have attracted much attention in the database research community. Space partitioning techniques, such as recursive division of the data space, have been ...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
We consider in this paper a class of Publish-Subscribe (pub-sub) systems called topic-based systems, where users subscribe to topics and are notified on events that belong to thos...