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» Querying Complex Structured Databases
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PODS
2005
ACM
151views Database» more  PODS 2005»
14 years 8 months ago
Estimating arbitrary subset sums with few probes
Suppose we have a large table T of items i, each with a weight wi, e.g., people and their salary. In a general preprocessing step for estimating arbitrary subset sums, we assign e...
Noga Alon, Nick G. Duffield, Carsten Lund, Mikkel ...
ICDE
2010
IEEE
311views Database» more  ICDE 2010»
14 years 5 months ago
Detecting Inconsistencies in Distributed Data
— One of the central problems for data quality is inconsistency detection. Given a database D and a set Σ of dependencies as data quality rules, we want to identify tuples in D ...
Wenfei Fan, Floris Geerts, Shuai Ma, Heiko Mü...
EDBT
2009
ACM
138views Database» more  EDBT 2009»
14 years 2 months ago
FOGGER: an algorithm for graph generator discovery
To our best knowledge, all existing graph pattern mining algorithms can only mine either closed, maximal or the complete set of frequent subgraphs instead of graph generators whic...
Zhiping Zeng, Jianyong Wang, Jun Zhang, Lizhu Zhou
DASFAA
2008
IEEE
115views Database» more  DASFAA 2008»
14 years 2 months ago
An Optimized Two-Step Solution for Updating XML Views
View updating is a long standing difficult problem. Given a view defined over base data sources and a view update, there are several different updates over the base data sources,...
Ling Wang, Ming Jiang 0003, Elke A. Rundensteiner,...
BMCBI
2005
142views more  BMCBI 2005»
13 years 7 months ago
High performance workflow implementation for protein surface characterization using grid technology
Background: This study concerns the development of a high performance workflow that, using grid technology, correlates different kinds of Bioinformatics data, starting from the ba...
Ivan Merelli, Giulia Morra, Daniele D'Agostino, An...