69 search results - page 10 / 14 » A new way of optimizing OLAP queries |
ISCSCT
2008
IEEE
14 years 1 months ago
2008
IEEE
—Relevance feedback(RF) has been proved to be an effective way to improve the precision and recall of 3D model retrieval. However, the existing RF approaches do not consider whic...
IANDC
2006
13 years 7 months ago
2006
This paper studies the complexity of learning classes of expressions in propositional logic from equivalence queries and membership queries. In particular, we focus on bounding th...
ICDE
2010
IEEE
14 years 23 days ago
2010
IEEE
— In recent years, the research community introduced various methods for processing skyline queries in multidimensional databases. The skyline operator retrieves all objects bein...
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
Implementations of map-reduce are being used to perform many operations on very large data. We examine strategies for joining several relations in the map-reduce environment. Our ...
ICALP
2005
Springer
14 years 29 days ago
2005
Springer
We consider the problem of testing the commutativity of a black-box group specified by its k generators. The complexity (in terms of k) of this problem was first considered by Pa...