14 search results - page 2 / 3 » Combining Logic and Aggregation for Answer Selection |
ICDE
2001
IEEE
14 years 6 months ago
2001
IEEE
We study the problem of approximately answering aggregation queries using sampling. We observe that uniform sampling performs poorly when the distribution of the aggregated attrib...
ICPR
2008
IEEE
14 years 6 months ago
2008
IEEE
Querying any information system requires the knowledge of some formal language, making it inaccessible to computer-na?ve potential users. We propose a new intuitive querying mecha...
TREC
2001
13 years 6 months ago
2001
PiQASso is a Question Answering system based on a combination of modern IR techniques and a series of semantic filters for selecting paragraphs containing a justifiable answer. Se...
CASCON
2001
13 years 6 months ago
2001
On Line Analytical Processing (OLAP) aims at gaining useful information quickly from large amounts of data residing in a data warehouse. To improve the quickness of response to qu...
CORR
2006
Springer
13 years 5 months ago
2006
Springer
Through the Internet and the World-Wide Web, a vast number of information sources has become available, which offer information on various subjects by different providers, often i...