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» Modeling Multidimensional Databases
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KDD
2003
ACM
135views Data Mining» more  KDD 2003»
16 years 2 months ago
Efficiently handling feature redundancy in high-dimensional data
High-dimensional data poses a severe challenge for data mining. Feature selection is a frequently used technique in preprocessing high-dimensional data for successful data mining....
Lei Yu, Huan Liu
RECOMB
2003
Springer
16 years 2 months ago
A multi-expert system for the automatic detection of protein domains from sequence information
We describe a novel method for detecting the domain structure of a protein from sequence information alone. The method is based on analyzing multiple sequence alignments that are ...
Niranjan Nagarajan, Golan Yona
192
Voted
VLDB
2001
ACM
104views Database» more  VLDB 2001»
16 years 2 months ago
Global transaction support for workflow management systems: from formal specification to practical implementation
In this paper, we present an approach to global transactionmanagementinworkflowenvironments.Thetransaction mechanism is based on the well-known notion of compensation, but extended...
Paul W. P. J. Grefen, Jochem Vonk, Peter M. G. Ape...
193
Voted
VLDB
2004
ACM
144views Database» more  VLDB 2004»
16 years 2 months ago
Preserving mapping consistency under schema changes
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
Yannis Velegrakis, Renée J. Miller, Lucian Popa
VLDB
2007
ACM
130views Database» more  VLDB 2007»
16 years 2 months ago
A Simple and Efficient Estimation Method for Stream Expression Cardinalities
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
Aiyou Chen, Jin Cao, Tian Bu