Sciweavers

2164 search results - page 196 / 433
» Learning to rank for information retrieval
Sort
View
ECAI
2000
Springer
15 years 10 months ago
Similarity-based Approach to Relevance Learning
In several information retrieval (IR) systems there is a possibility for user feedback. Many machine learning methods have been proposed that learn from the feedback information in...
Rickard Cöster, Lars Asker
ICMCS
2000
IEEE
142views Multimedia» more  ICMCS 2000»
15 years 11 months ago
Incorporate Discriminant Analysis with EM Algorithm in Image Retrieval
One of the difficulties of Content-Based Image Retrieval (CBIR) is the gap between high-level concepts and low-level image features, e.g., color and texture. Relevance feedback wa...
Qi Tian, Ying Wu, Thomas S. Huang
WWW
2003
ACM
15 years 11 months ago
User Access Pattern Enhanced Small Web Search
Current search engines generally employ link analysis techniques to web-page re-ranking. However, the same techniques are problematic in small webs, such as websites or intranet w...
Gui-Rong Xue, Hua-Jun Zeng, Zheng Chen, Wei-Ying M...
AIRWEB
2007
Springer
15 years 10 months ago
Measuring Similarity to Detect Qualified Links
The early success of link-based ranking algorithms was predicated on the assumption that links imply merit of the target pages. However, today many links exist for purposes other ...
Xiaoguang Qi, Lan Nie, Brian D. Davison
ECIR
2007
Springer
15 years 8 months ago
Query Hardness Estimation Using Jensen-Shannon Divergence Among Multiple Scoring Functions
We consider the issue of query performance, and we propose a novel method for automatically predicting the difficulty of a query. Unlike a number of existing techniques which are b...
Javed A. Aslam, Virgiliu Pavlu