492 search results - page 55 / 99 » Querying with Intrinsic Preferences |
SIGMOD
2002
ACM
14 years 10 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
— Multi-criteria decision support (MCDS) is crucial in many business and web applications such as web searches, B2B portals and on-line commerce. Such MCDS applications need to r...
DBSEC
2004
13 years 11 months ago
2004
A sequence of queries submitted by a database user within a short period of time may have a single, illuminating explanation. In this paper we consider sequences of single-record q...
SIGMOD
2011
ACM
13 years 23 days ago
2011
ACM
The emergence of Web 2.0 has resulted in a huge amount of heterogeneous data that are contributed by a large number of users, engendering new challenges for data management and qu...
WWW
2009
ACM
14 years 10 months ago
2009
ACM
Both search engine click-through log and social annotation have been utilized as user feedback for search result re-ranking. However, to our best knowledge, no previous study has ...