Online topic detection and tracking of financial news based on hierarchical clustering.

Xiang-Ying Dai Qingcai Chen Xiaolong Wang Jun Xu

Published in: ICMLC (2010)

Keyphrases

hierarchical clustering
financial news
topic detection and tracking
news stories
clustering method
story link detection
online learning
clustering algorithm
k means
topic detection
stock market
vector space model
feature selection
information retrieval systems
dependency structure