132 search results - page 4 / 27 » Preference query evaluation over expensive attributes |
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
ICEIS
2009
IEEE
14 years 2 months ago
2009
IEEE
Today XML is an essential technology for knowledge management within enterprises and dissemination of data over the Web. Therefore the efficient evaluation of XML queries has been ...
SSDBM
2008
IEEE
14 years 1 months ago
2008
IEEE
Abstract. Existing approaches to the management of streaming positional updates generally assume that all active user requests have equal importance, ignoring the possibility of an...
DMSN
2005
ACM
13 years 9 months ago
2005
ACM
In this paper we present the Threshold Join Algorithm (TJA), which is an efficient TOP-k query processing algorithm for distributed sensor networks. The objective of a top-k query...
ER
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. The notion of user preference in database modeling has recently received much attention in advanced applications, such as personalization of e-services, since it captures...