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» Modeling Problem Transformations based on Data Complexity
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CCIA
2007
Springer
14 years 2 months ago
Modeling Problem Transformations based on Data Complexity
Ester Bernadó-Mansilla, Núria Maci&a...
VLDB
1997
ACM
97views Database» more  VLDB 1997»
14 years 21 days ago
The Complexity of Transformation-Based Join Enumeration
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
Arjan Pellenkoft, César A. Galindo-Legaria,...
ICCVW
1999
Springer
14 years 25 days ago
A General Method for Feature Matching and Model Extraction
Abstract. Popular algorithms for feature matching and model extraction fall into two broad categories, generate-and-test and Hough transform variations. However, both methods su er...
Clark F. Olson
ER
2004
Springer
119views Database» more  ER 2004»
14 years 1 months ago
Schema Evolution in Data Warehousing Environments - A Schema Transformation-Based Approach
Abstract. In heterogeneous data warehousing environments, autonomous data sources are integrated into a materialised integrated database. The schemas of the data sources and the in...
Hao Fan, Alexandra Poulovassilis
ISTA
2004
13 years 10 months ago
A Data Transformation Method Based on Schema Mapping
: Schema mapping is an important approach to solve the problem of data integration. This paper introduces a research prototype called SDE, which is a system for managing and facili...
You Li, Dongbo Liu, Weiming Zhang