483 search results - page 8 / 97 » Evaluating Top-k Selection Queries |
ICMCS
2005
IEEE
14 years 1 months ago
2005
IEEE
This paper introduces a new approach of approximating the selectivity of multimedia range queries. Estimating the selectivity of a range query is a pre-requisite to optimize a mul...
WEBNET
1998
13 years 9 months ago
1998
: Perusal of textual displays of document surrogates produced by Web-based ranked-output retrieval services may require much user time, effort, and money. In this paper we present ...
MTA
2007
13 years 7 months ago
2007
Complex multimedia queries, aiming to retrieve from large databases those objects that best match the query specification, are usually processed by splitting them into a set of m ...
SOFSEM
2010
Springer
14 years 4 months ago
2010
Springer
Preference queries have received considerable attention in the recent past, due to their use in selecting the most preferred objects, especially when the selection criteria are con...
JIDM
2010
13 years 6 months ago
2010
The need for incorporating preference querying in database technology is a very important issue in a variety of applications ranging from e-commerce to personalized search engines....