Sciweavers

235 search results - page 5 / 47
» Evaluating Query Result Significance in Databases via Random...
Sort
View
91
Voted
DIAGRAMS
2006
Springer
15 years 3 months ago
Evaluation of ERST - An External Representation Selection Tutor
This paper describes the evaluation of ERST, an adaptive system which is designed to improve its users' external representation (ER) selection accuracy on a range of database ...
Beate Grawemeyer
SIGMOD
2006
ACM
232views Database» more  SIGMOD 2006»
15 years 11 months ago
To search or to crawl?: towards a query optimizer for text-centric tasks
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
Panagiotis G. Ipeirotis, Eugene Agichtein, Pranay ...
WWW
2011
ACM
14 years 6 months ago
Improving recommendation for long-tail queries via templates
The ability to aggregate huge volumes of queries over a large population of users allows search engines to build precise models for a variety of query-assistance features such as ...
Idan Szpektor, Aristides Gionis, Yoelle Maarek
PODS
2010
ACM
159views Database» more  PODS 2010»
15 years 1 months ago
On probabilistic fixpoint and Markov chain query languages
We study highly expressive query languages such as datalog, fixpoint, and while-languages on probabilistic databases. We generalize these languages such that computation steps (e....
Daniel Deutch, Christoph Koch, Tova Milo
SIGIR
2010
ACM
15 years 3 months ago
Context aware query classification using dynamic query window and relationship net
The context of the user queries, preceding a given query, is utilized to improve the effectiveness of query classification. Earlier efforts utilize fixed number of preceding queri...
Nazli Goharian, Saket S. R. Mengle