1179 search results - page 48 / 236 » Query Containment for Data Integration Systems |
ICCSA
2009
Springer
15 years 4 months ago
2009
Springer
Data aggregation in Geographic Information Systems (GIS) is a desirable feature, spatial data are integrated in OLAP engines for this purpose. However, the development and operatio...
154
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SIGMOD
2006
ACM
15 years 9 months ago
2006
ACM
Column-oriented database system architectures invite a reevaluation of how and when data in databases is compressed. Storing data in a column-oriented fashion greatly increases th...
PVLDB
2010
14 years 8 months ago
2010
We present in this paper ObjectRunner, a system for extracting, integrating and querying structured data from the Web. Our system harvests real-world items from template-based HTM...
101
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ADB
1994
15 years 1 months ago
1994
Database applications and technologies are of central importance in many information systems a person may encounter. To obtain services, the end-users are required a smart card (pl...
DATESO
2004
14 years 11 months ago
2004
The XML language have been becoming de-facto a standard for representation of heterogeneous data in the Internet. From database point of view, XML is a new approach to data modelli...