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121
Voted
PODS
2002
ACM
16 years 3 months ago
2002
ACM
We study two classes of view update problems in relational databases. We are given a source database S, a monotone query Q, and the view Q(S) generated by the query. The first pro...
141
Voted
PODS
2002
ACM
16 years 3 months ago
2002
ACM
In multidimensional data models intended for online analytic processing (OLAP), data are viewed as points in a multidimensional space. Each dimension has structure, described by a...
174
Voted
PODS
2002
ACM
16 years 3 months ago
2002
ACM
We consider the fundamental operation of applying a conjunction of selection conditions to a set of records. With large main memories available cheaply, systems may choose to keep...
137
Voted
EDBT
2002
ACM
16 years 3 months ago
2002
ACM
Abstract. The success of Internet applications has led to an explosive growth in the demand for bandwidth from ISPs. Managing an IP network requires collecting and analyzing networ...
122
Voted
EDBT
2002
ACM
16 years 3 months ago
2002
ACM
Web logs collected by proxy servers, referred to as proxy logs or proxy traces, contain information about Web document accesses by many users against many Web sites. This "man...