1025 search results - page 45 / 205 » A machine learning approach for improved BM25 retrieval |
ICALT
2007
IEEE
14 years 2 months ago
2007
IEEE
In this paper we present a new approach to enabling pedagogically sound reuse and re-purposing of online learning objects in a community of practice. The lack of specific software...
MM
2004
ACM
14 years 1 months ago
2004
ACM
It has been established that active learning is effective for learning complex, subjective query concepts for image retrieval. However, active learning has been applied in a conc...
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 (...
ICWSM
2009
13 years 5 months ago
2009
Mining opinions and sentiment from social networking sites is a popular application for social media systems. Common approaches use a machine learning system with a bag of words f...
FGR
2006
IEEE
14 years 2 months ago
2006
IEEE
Skin segmentation is the cornerstone of many applications such as gesture recognition, face detection, and objectionable image filtering. In this paper, we attempt to address the ...