39 search results - page 3 / 8 » Flexible and efficient querying and ranking on hyperlinked d... |
SIGMOD
2008
ACM
14 years 5 months ago
2008
ACM
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
WWW
2006
ACM
14 years 6 months ago
2006
ACM
An important issue arising from large scale data integration is how to efficiently select the top-K ranking answers from multiple sources while minimizing the transmission cost. T...
ICDE
1999
IEEE
14 years 6 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
ICDE
2009
IEEE
14 years 7 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 ...
WISE
2000
Springer
13 years 9 months ago
2000
Springer
Most Internet search engines are keyword-based. They are not efficient for the queries where geographical location is important, such as finding hotels within an area or close to ...