4 search results - page 1 / 1 » Sampling-based estimators for subset-based queries |
VLDB
2005
ACM
13 years 10 months ago
2005
ACM
The largest databases in use today are so large that answering a query exactly can take minutes, hours, or even days. One way to address this problem is to make use of approximati...
ICDE
2006
IEEE
14 years 6 months ago
2006
IEEE
One important way in which sampling for approximate query processing in a database environment differs from traditional applications of sampling is that in a database, it is feasi...
SIGMOD
1998
ACM
13 years 9 months ago
1998
ACM
In large data recording and warehousing environments, it is often advantageous to provide fast, approximate answers to queries, whenever possible. Before DBMSs providing highly-ac...
AIRS
2009
Springer
13 years 11 months ago
2009
Springer
Relevance-based language models operate by estimating the probabilities of observing words in documents relevant (or pseudo relevant) to a topic. However, these models assume that ...