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ER
1999
Springer
13 years 11 months ago
1999
Springer
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over a set of remote data sources. A DW is intended to satisfy a set of queries. The views materi...
ICFP
2009
ACM
14 years 8 months ago
2009
ACM
During the life cycle of an XML application, both schemas and queries may change from one version to another. Schema evolutions may affect query results and potentially the validi...
XSYM
2005
Springer
14 years 1 months ago
2005
Springer
Many of the problems with native XML databases relate to query performance and subsequently, it can be difficult to convince traditional database users of the benefits of using se...
DEXAW
2010
IEEE
13 years 8 months ago
2010
IEEE
In this paper, we describe our work in progress in the scope of information retrieval exploiting the spatial data extracted from web documents. We discuss problems of a search for ...
VLDB
2007
ACM
14 years 1 months ago
2007
ACM
Near-duplicate video clip (NDVC) detection is an important problem with a wide range of applications such as TV broadcast monitoring, video copyright enforcement, content-based vi...