1039 search results - page 162 / 208 » Query reformulation with constraints |
SSD
2005
Springer
15 years 3 months ago
2005
Springer
This paper proposes and solves a-autonomy and k-stops shortest path problems in large spatial databases. Given a source s and a destination d, an aautonomy query retrieves a sequen...
SIGOPSE
2004
ACM
15 years 3 months ago
2004
ACM
Research in sensor networks, continuous queries (CQ), and other domains has been motivated by powerful applications that aim to aggregate, assimilate, and interact with scores of ...
MOBIDE
2003
ACM
15 years 3 months ago
2003
ACM
This paper presents TiNA, a scheme for minimizing energy consumption in sensor networks by exploiting end-user tolerance to temporal coherency. TiNA utilizes temporal coherency to...
SIGIR
2003
ACM
15 years 3 months ago
2003
ACM
One of the major problems in question answering (QA) is that the queries are either too brief or often do not contain most relevant terms in the target corpus. In order to overcom...
VLDB
1999
ACM
15 years 2 months ago
1999
ACM
In this paper, we describe our recent experiences in adding a number of object-relational extensions to the DB2 Universal Database UDB system as part of a research and developme...