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111
Voted
VLDB
2002
ACM
15 years 23 days ago
2002
ACM
This paper proposes a system for personalization of web portals. A speci c implementation is discussed in reference to a web portal containing a news feed service. Techniques are ...
90
Voted
VLDB
2002
ACM
15 years 23 days ago
2002
ACM
Policies are widely used in many systems and applications. Recently, it has been recognized that a "yes/no" response to every scenario is just not enough for many modern...
106
click to vote
VLDB
2002
ACM
15 years 23 days ago
2002
ACM
Recent work on querying data streams has focused on systems where newly arriving data is processed and continuously streamed to the user in real-time. In many emerging application...
106
Voted
SAC
2008
ACM
15 years 18 days ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
94
Voted
CORR
2010
Springer
14 years 11 months ago
2010
Springer
We study active integrity constraints and revision programming, two formalisms designed to describe integrity constraints on databases and to specify policies on preferred ways to...