972 search results - page 47 / 195 » Active Learning with Generalized Queries |
VLDB
1991
ACM
13 years 11 months ago
1991
ACM
Most database interfaces provide poor guidance on ad hoc query formulation, burdening users to learn, and to recall precisely the query language and the database. Kaleidoscope avo...
ISCI
2008
13 years 7 months ago
2008
In this paper, two modified constrained learning algorithms are proposed to obtain better generalization performance and faster convergence rate. The additional cost terms of the ...
WWW
2001
ACM
14 years 8 months ago
2001
ACM
We introduce a method for learning query transformations that improves the ability to retrieve answers to questions from an information retrieval system. During the training stage...
KDD
2005
ACM
14 years 8 months ago
2005
ACM
This paper presents a novel approach for using clickthrough data to learn ranked retrieval functions for web search results. We observe that users searching the web often perform ...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
We describe a method for predicting query difficulty in a precision-oriented web search task. Our approach uses visual features from retrieved surrogate document representations (...