617 search results - page 92 / 124 » Semantic queries in databases: problems and challenges |
EDBT
2012
ACM
11 years 11 months ago
2012
ACM
Increased availability of large repositories of chemical compounds has created new challenges and opportunities for the application of data-mining and indexing techniques to probl...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
This paper addresses the problem of monitoring the k nearest neighbors to a dynamically changing path in road networks. Given a destination where a user is going to, this new quer...
ACL
2009
13 years 6 months ago
2009
Short Messaging Service (SMS) is popularly used to provide information access to people on the move. This has resulted in the growth of SMS based Question Answering (QA) services....
ICDE
2001
IEEE
14 years 10 months ago
2001
IEEE
We consider the problems of computing aggregation queries in temporal databases, and of maintaining materialized temporal aggregate views efficiently. The latter problem is partic...
AVBPA
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. We propose a relevance feedback system for retrieving a mental face picture from a large image database. This scenario differs from standard image retrieval since the ta...