2079 search results - page 106 / 416 » Research Problems in Data Warehousing |
107
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BMCBI
2008
14 years 10 months ago
2008
Background: A survey of microarray databases reveals that most of the repository contents and data models are heterogeneous (i.e., data obtained from different chip manufacturers)...
110
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IADIS
2003
14 years 11 months ago
2003
Today’s users want to access their data everywhere and any time – in various environments and occasions. The data itself can be very complex – the problem is then in providi...
DATAMINE
2006
14 years 10 months ago
2006
Efficiently detecting outliers or anomalies is an important problem in many areas of science, medicine and information technology. Applications range from data cleaning to clinica...
KDD
2005
ACM
15 years 10 months ago
2005
ACM
Addressed in this paper is the issue of `email data cleaning' for text mining. Many text mining applications need take emails as input. Email data is usually noisy and thus i...
VLDB
1997
ACM
15 years 2 months ago
1997
ACM
Data is often stored in summarized form, as a histogram of aggregates (COUNTs, SUMs, or AVeraGes) over speci ed ranges. We study how to estimate the original detail data from the ...