4790 search results - page 211 / 958 » Reverse Query Processing |
127
Voted
VLDB
1991
ACM
15 years 6 months ago
1991
ACM
In order to cope efficiently with simple or complex queries as well as different application requirements (e.g., ad-hoc versus repetitive queries), a query optimizer ought to supp...
133
Voted
CORR
1999
Springer
15 years 2 months ago
1999
Springer
A query routing broker is a software agent that determines from a large set of accessing information sources the ones most relevant to a user's information need. As the numbe...
125
Voted
KDD
2004
ACM
16 years 3 months ago
2004
ACM
In this paper we provide a fast, data-driven solution to the failing query problem: given a query that returns an empty answer, how can one relax the query's constraints so t...
124
Voted
MDM
2009
Springer
15 years 9 months ago
2009
Springer
—A nearest neighbor query is an important notion in spatial databases and moving object databases. In the emerging application fields of moving object technologies, such as mobi...
139
Voted
DASFAA
2007
IEEE
15 years 9 months ago
2007
IEEE
With the increasing in demand on location-based aware services and RFIDs, efficient processing of continuous queries over moving object streams becomes important. In this paper, w...