964 search results - page 28 / 193 » Efficiently Ordering Query Plans for Data Integration |
148
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EDBT
2009
ACM
15 years 11 months ago
2009
ACM
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
270
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ICDE
2009
IEEE
16 years 6 months ago
2009
IEEE
Mediator-based data integration systems resolve exploratory queries by joining data elements across sources. In the presence of uncertainties, such multiple expansions can quickly ...
213
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ICDE
2004
IEEE
16 years 5 months ago
2004
IEEE
Query optimization in data integration requires source coverage and overlap statistics. Gathering and storing the required statistics presents many challenges, not the least of wh...
164
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CIKM
2008
Springer
15 years 6 months ago
2008
Springer
More and more applications rely heavily on large amounts of data in the distributed storages collected over time or produced by large scale scientific experiments or simulations. ...
131
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DEBU
2002
15 years 4 months ago
2002
An increasing number of business users and software applications need to process information that is accessible via multiple diverse information systems, such as database systems,...