267 search results - page 20 / 54 » Constraint-Based XML Query Rewriting For Data Integration |
SIGMOD
2011
ACM
14 years 13 days 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 ...
CORR
2004
Springer
14 years 9 months ago
2004
Springer
We introduce an extension of the XQuery language, FluX, that supports event-based query processing and the conscious handling of main memory buffers. Purely event-based queries of...
GEOINFO
2003
14 years 11 months ago
2003
The integration among DW, OLAP and GIS has been given considerable attention in recent years by many researchers and industrial corporations. This may be a result of: 1) DW/OLAP ca...
101
Voted
EDBT
2008
ACM
15 years 9 months ago
2008
ACM
In the paper we discuss the problem of data integration in a P2P environment. In such setting each peer stores schema of its local data, mappings between the schema and schemas of...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
Query containment is the most fundamental relationship between a pair of database queries: a query Q is said to be contained in a query Q if the answer for Q is always a subset of...