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SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
Increasing popularity of XML in recent years has generated much interest in query processing over graph-structured data. To support efficient evaluation of path expressions, many ...
AIPS
2006
13 years 10 months ago
2006
Reasoning on precedence relations is crucial for many planning and scheduling systems. In this paper we propose a double precedence graph where direct precedence relations are kep...
KDD
2004
ACM
14 years 9 months ago
2004
ACM
Data cube pre-computation is an important concept for supporting OLAP(Online Analytical Processing) and has been studied extensively. It is often not feasible to compute a complet...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
AI
2001
Springer
14 years 1 months ago
2001
Springer
As new transactions update data sources and subsequently the data warehouse, the previously discovered association rules in the old database may no longer be interesting rules in ...