275 search results - page 39 / 55 » Optimising Mediator Queries to Distributed Engineering Syste... |
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
WWW
2005
ACM
14 years 8 months ago
2005
ACM
There have been recent interests in studying the "goal" behind a user's Web query, so that this goal can be used to improve the quality of a search engine's re...
ICTIR
2009
Springer
13 years 5 months ago
2009
Springer
Abstract. A useful ability for search engines is to be able to rank objects with novelty and diversity: the top k documents retrieved should cover possible interpretations of a que...
SIGCOMM
2009
ACM
14 years 2 months ago
2009
ACM
SMS-based web search is different from traditional web search in that the final response to a search query is limited to a very small number of bytes (typically 1-2 SMS messages...