2514 search results - page 8 / 503 » On the Computation of Approximations of Database Queries |
JANCL
2006
13 years 7 months ago
2006
This paper describes an experimental platform for approximate knowledge databases called the Approximate Knowledge Database (AKDB), based on a semantics inspired by rough sets. The...
SCCC
1997
IEEE
13 years 11 months ago
1997
IEEE
A cooperative database allows the user to specify approximate or vague query conditions. A vague query requires the database system to rank the retrieved answers according to thei...
ICDE
2004
IEEE
14 years 8 months ago
2004
IEEE
Moving objects (e.g., vehicles in road networks) continuously generate large amounts of spatio-temporal information in the form of data streams. Efficient management of such strea...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
We demonstrate a system for querying probabilistic XML documents with simple XPath queries. A user chooses between a variety of query answering techniques, both exact and approxim...
VLDB
2002
ACM
14 years 7 months ago
2002
ACM
We propose a new data structure to search in metric spaces. A metric space is formed by a collection of objects and a distance function de ned among them, which satis es the trian...