964 search results - page 1 / 193 » Efficiently Ordering Query Plans for Data Integration |
ICDE
2002
IEEE
14 years 6 months ago
2002
IEEE
The goal of a data integration system is to provide a uniform interface to a multitude of data sources. Given a user query formulated in this interface, the system translates it i...
JLP
2000
13 years 4 months ago
2000
Generating query-answering plans for data integration systems requires to translate a user query, formulated in terms of a mediated schema, to a query that uses relations that are...
ICDE
2000
IEEE
14 years 5 months ago
2000
IEEE
Most real-world database applications contain a substantial portion of time-referenced, or temporal, data. Recent advances in temporal query languages show that such database appl...
VLDB
2005
ACM
14 years 4 months ago
2005
ACM
The emergence of a large number of bioinformatics datasets on the Internet has resulted in the need for flexible and efficient approaches to integrate information from multiple bio...
DEXAW
2009
IEEE
13 years 11 months ago
2009
IEEE
— The amount of semantic data on the Web has increased exponentially in the last years. One of the main reasons for this is the use of RDB2RDF systems, which generate RDF data fr...