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» Algorithms for the Database Layout Problem
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GIS
2005
ACM
16 years 3 months ago
Automatic extraction of road intersections from raster maps
Numerous raster maps are available on the Internet, but the geographic coordinates of the maps are often unknown. In order to determine the precise location of a raster map, we ex...
Yao-Yi Chiang, Craig A. Knoblock, Ching-Chien Chen
IDEAS
2005
IEEE
99views Database» more  IDEAS 2005»
15 years 8 months ago
Distribution-Based Synthetic Database Generation Techniques for Itemset Mining
The resource requirements of frequent pattern mining algorithms depend mainly on the length distribution of the mined patterns in the database. Synthetic databases, which are used...
Ganesh Ramesh, Mohammed Javeed Zaki, William Mania...
ICDE
2007
IEEE
108views Database» more  ICDE 2007»
15 years 6 months ago
Problem definition for effective workload management
The paper introduces the problem of designing dynamic workload management (WM) tools that are aware of the diversity of classes of users and their diverse access patterns. Our app...
Adrian M. Teisanu, Sam Lightstone, Mariano P. Cons...
SBACPAD
2003
IEEE
180views Hardware» more  SBACPAD 2003»
15 years 7 months ago
New Parallel Algorithms for Frequent Itemset Mining in Very Large Databases
Frequent itemset mining is a classic problem in data mining. It is a non-supervised process which concerns in finding frequent patterns (or itemsets) hidden in large volumes of d...
Adriano Veloso, Wagner Meira Jr., Srinivasan Parth...
DEXA
2010
Springer
157views Database» more  DEXA 2010»
15 years 2 months ago
Containment of Conjunctive Queries with Negation: Algorithms and Experiments
We consider the containment problem for conjunctive queries with atomic negation. Firstly, we refine an existing algorithm based on homomorphism checks, which itself improves other...
Khalil Ben Mohamed, Michel Leclère, Marie-L...