78 search results - page 4 / 16 » Managing Source Schema Evolution in Web Warehouses |
IAJIT
2010
13 years 7 months ago
2010
: A broad variety of data is available in distinct heterogeneous sources, stored under different formats: database formats (in relational and object-oriented models), document form...
CORR
2007
Springer
13 years 8 months ago
2007
Springer
In a data warehousing process, the data preparation phase is crucial. Mastering this phase allows substantial gains in terms of time and performance when performing a multidimensio...
VLDB
2005
ACM
14 years 2 months ago
2005
ACM
Schemas evolve over time to accommodate the changes in the information they represent. Such evolution causes invalidation of various artifacts depending on the schemas, such as sc...
DATESO
2010
13 years 6 months ago
2010
As approaches to conceptual modeling of XML data become more popular, a need arises to reverse-engineer existing schemas to the conceptual models. They make the management of XML s...
CIKM
2004
Springer
14 years 1 months ago
2004
Springer
In the recent years, the Web has been rapidly “deepened” with the prevalence of databases online. On this deep Web, many sources are structured by providing structured query i...