9683 search results - page 33 / 1937 » Query performance prediction |
SAC
2008
ACM
13 years 8 months ago
2008
ACM
Modern applications requiring spatial network processing pose many interesting query optimization challenges. In many cases, query processing depends on the corresponding graph si...
SIGMOD
2010
ACM
13 years 3 months ago
2010
ACM
This demonstration presents Crescando, an implementation of a distributed relational table that guarantees predictable response time on unpredictable workloads. In Crescando, data...
ADHOCNOW
2008
Springer
14 years 3 months ago
2008
Springer
Energy-efficient query dissemination plays an important role for the lifetime of sensor networks. In this work, we consider probabilistic flooding for query dissemination and deve...
ICML
2008
IEEE
14 years 10 months ago
2008
IEEE
In many retrieval tasks, one important goal involves retrieving a diverse set of results (e.g., documents covering a wide range of topics for a search query). First of all, this r...
SIGIR
2008
ACM
13 years 9 months ago
2008
ACM
We investigate a representative case of sudden information need change of Web users. By analyzing search engine query logs, we show that the majority of queries submitted by users...