111 search results - page 12 / 23 » Incomplete Information in Relational Temporal Databases |
WWW
2009
ACM
14 years 9 months ago
2009
ACM
Social media websites promote diverse user interaction on media objects as well as user actions with respect to other users. The goal of this work is to discover community structu...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Increasing monitoring of transactions, environmental parameters, homeland security, RFID chips and interactions of online users rapidly establishes new data sources and applicatio...
SEMWEB
2009
Springer
14 years 3 months ago
2009
Springer
The Virtual Solar-Terrestrial Observatory (VSTO) is a distributed, scalable education and research environment for searching, integrating, and analyzing observational, experimental...
WWW
2003
ACM
14 years 9 months ago
2003
ACM
The integration of data produced and collected across autonomous, heterogeneous web services is an increasingly important and challenging problem. Due to the lack of global identi...
CIKM
2008
Springer
13 years 10 months ago
2008
Springer
Answering queries over ontologies is an important issue for the Semantic Web. Aggregate queries were widely studied for relational databases but almost no results are known for ag...