537 search results - page 28 / 108 » A Rough Set Approach to Attribute Generalization in Data Min... |
VLDB
2007
ACM
14 years 1 months ago
2007
ACM
Real-world datasets exhibit a complex dependency structure among the data attributes. Learning this structure is a key task in automatic statistics configuration for query optimi...
KDD
2009
ACM
14 years 2 months ago
2009
ACM
In this paper, we consider a novel scheme referred to as Cartesian contour to concisely represent the collection of frequent itemsets. Different from the existing works, this sche...
GECCO
2008
Springer
13 years 8 months ago
2008
Springer
The aim of process mining is to identify and extract process patterns from data logs to reconstruct an overall process flowchart. As business processes become more and more comple...
KDD
1994
ACM
13 years 11 months ago
1994
ACM
Semantic query optimization can dramatically speed up database query answering by knowledge intensive reformulation. But the problem of how to learn required semantic rules has no...
KDD
2007
ACM
14 years 8 months ago
2007
ACM
It is often expensive to acquire data in real-world data mining applications. Most previous data mining and machine learning research, however, assumes that a fixed set of trainin...