151 search results - page 24 / 31 » Answering approximate queries over autonomous web databases |
ICDE
2008
IEEE
15 years 7 months ago
2008
IEEE
The Web has the potential to become the world’s
largest knowledge base. In order to unleash this potential,
the wealth of information available on the Web needs to be
extracte...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Dataspace applications necessitate the creation of associations among data items over time. For example, once information about people is extracted from sources on the Web, associa...
ICDE
2011
IEEE
12 years 11 months ago
2011
IEEE
—In this paper, we address the problem of answering continuous route planning queries over a road network, in the presence of updates to the delay (cost) estimates of links. A si...
EMNLP
2008
13 years 9 months ago
2008
Most Web-based Q/A systems work by finding pages that contain an explicit answer to a question. These systems are helpless if the answer has to be inferred from multiple sentences...
SIGMOD
1998
ACM
13 years 12 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...