A Comparison of Techniques for Classification and Ad Hoc Retrieval of Biomedical Documents.

Aaron M. Cohen Jianji Yang William R. Hersh

Published in: TREC (2005)

Keyphrases

ad hoc retrieval
query expansion
link structure
machine learning
information retrieval
supervised learning
image classification
feature selection
feature space
feature vectors
document collections
test collection
feature extraction
active learning
text classification