1493 search results - page 12 / 299 » Learning Concepts by Modeling Relationships |
ALT
1998
Springer
15 years 1 months ago
1998
Springer
Concept drift means that the concept about which data is obtained may shift from time to time, each time after some minimum permanence. Except for this minimum permanence, the con...
CIVR
2006
Springer
15 years 1 months ago
2006
Springer
We propose a novel Bayesian learning framework of hierarchical mixture model by incorporating prior hierarchical knowledge into concept representations of multi-level concept struc...
ICMLA
2007
14 years 10 months ago
2007
We apply a new active learning formulation to the problem of learning medical concepts from unstructured text. The new formulation is based on maximizing the mutual information th...
WSDM
2010
ACM
15 years 6 months ago
2010
ACM
Modeling query concepts through term dependencies has been shown to have a significant positive effect on retrieval performance, especially for tasks such as web search, where rel...
ISNN
2007
Springer
15 years 3 months ago
2007
Springer
In the human mind, high-order knowledge is categorically organized, yet the nature of its internal representation system is not well understood. While it has been traditionally con...