1479 search results - page 272 / 296 » Efficient information retrieval using mobile agents |
ICDE
2001
IEEE
14 years 10 months ago
2001
IEEE
In this paper, we develop a general framework for approximate nearest neighbor queries. We categorize the current approaches for nearest neighbor query processing based on either ...
ICML
2007
IEEE
14 years 9 months ago
2007
IEEE
We consider the problem of learning a similarity function from a set of positive equivalence constraints, i.e. 'similar' point pairs. We define the similarity in informa...
KDD
2004
ACM
14 years 9 months ago
2004
ACM
In many applications that track and analyze spatiotemporal data, movements obey periodic patterns; the objects follow the same routes (approximately) over regular time intervals. ...
VLDB
2008
ACM
14 years 9 months ago
2008
ACM
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
A large number of online databases are hidden behind the web. Users to these systems can form queries through web forms to retrieve a small sample of the database. Sampling such h...