324 search results - page 38 / 65 » Adapting to Source Properties in Processing Data Integration... |
VLDB
2003
ACM
14 years 9 months ago
2003
ACM
Data warehousing systems integrate information from operational data sources into a central repository to enable analysis and mining of the integrated information. During the integ...
NAR
2006
13 years 8 months ago
2006
Systemslevelinvestigationofgenomicscaleinformation requires the development of truly integrated databases dealing with heterogeneous data, which can be queried for simple properti...
SIGMOD
2011
ACM
12 years 11 months ago
2011
ACM
In this paper we consider the problem of answering queries using views, which is important for data integration, query optimization, and data warehouses. We consider its simplest ...
ICDE
2001
IEEE
14 years 10 months ago
2001
IEEE
We propose an extension to current view-based mediator systems called model-based mediation, in which views are defined and executed at the level of conceptual models (CMs) rather...
CIKM
2007
Springer
14 years 2 months ago
2007
Springer
Challenging the implicit reliance on document collections, this paper discusses the pros and cons of using query logs rather than document collections, as self-contained sources o...