19985 search results - page 41 / 3997 » Modelling Ecological Data |
GIS
1999
ACM
15 years 2 months ago
1999
ACM
An important activity in the design of a particular database application consists in identifying the integrity constraints that must hold on the database, and that are used to det...
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CAISE
2010
Springer
14 years 10 months ago
2010
Springer
There is a large amount of data that is published on the Web and several techniques have been developed to extract and integrate data from Web sources. However, Web data are inhere...
ICDE
2009
IEEE
14 years 7 months ago
2009
IEEE
Data provenance is information that describes how a given data item was produced. The provenance includes source and intermediate data as well as the transformations involved in pr...
DMSN
2010
ACM
14 years 8 months ago
2010
ACM
E-science applications use fine grained data provenance to maintain the reproducibility of scientific results, i.e., for each processed data tuple, the source data used to proce...
INFORMATICALT
2002
14 years 9 months ago
2002
This article presents the ways of identification, selection and transformation of the data into other structures. Relation selection and transformation may change data quantity and...