Empirical Term Weighting.

Kyoji Umemura Yoshiyuki Takeda Michiko Tanaka Li Feng Eiko Yamamoto

Published in: NTCIR (2001)

Keyphrases

term weighting
text categorization
tf idf
text retrieval
information retrieval
language modeling
retrieval systems
vector space model
inverse document frequency
term frequency
machine learning
information extraction
language model
knn
web search
weighting functions