2063 search results - page 19 / 413 » Containment of Aggregate Queries |
CIKM
2008
Springer
13 years 11 months ago
2008
Springer
Query logs record the queries and the actions of the users of search engines, and as such they contain valuable information about the interests, the preferences, and the behavior ...
WWW
2005
ACM
14 years 10 months ago
2005
ACM
Semantic caching is an important technology for improving the response time of future user queries specified over remote servers. This paper deals with the fundamental query conta...
ICDT
1999
ACM
14 years 2 months ago
1999
ACM
Abstract. In this paper we present a new approach for studying aggregations in the context of database query languages. Starting from a broad de nition of aggregate function, we ad...
DMDW
2000
13 years 11 months ago
2000
A common optimization technique in the OLAP application domain is the use of summary aggregate data. For an appropriate support of analysis hot spots, we propose a query based agg...
TMC
2011
13 years 4 months ago
2011
—Monitoring personal locations with a potentially untrusted server poses privacy threats to the monitored individuals. To this end, we propose a privacy-preserving location monit...