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AUSDM
2006
Springer
158views Data Mining» more  AUSDM 2006»
15 years 10 months ago
What Types of Events Provide the Strongest Evidence that the Stock Market is Affected by Company Specific News?
The efficient market hypothesis states that an efficient market immediately incorporates all available information into the price of the traded entity. It is well established that...
Calum Robertson, Shlomo Geva, Rodney Wolff
AUSDM
2006
Springer
97views Data Mining» more  AUSDM 2006»
15 years 10 months ago
Tracking the Changes of Dynamic Web Pages in the Existence of URL Rewriting
Crawlers in a knowledge management system need to collect and archive documents from websites, and also track the change status of these documents. However, the existence of URL r...
Ping-Jer Yeh, Jie-Tsung Li, Shyan-Ming Yuan
CEAS
2006
Springer
15 years 10 months ago
Learning at Low False Positive Rates
Most spam filters are configured for use at a very low falsepositive rate. Typically, the filters are trained with techniques that optimize accuracy or entropy, rather than perfor...
Wen-tau Yih, Joshua Goodman, Geoff Hulten
COLT
2006
Springer
15 years 10 months ago
Discriminative Learning Can Succeed Where Generative Learning Fails
Generative algorithms for learning classifiers use training data to separately estimate a probability model for each class. New items are classified by comparing their probabiliti...
Philip M. Long, Rocco A. Servedio
PAKDD
2000
ACM
124views Data Mining» more  PAKDD 2000»
15 years 10 months ago
Feature Selection for Clustering
In clustering, global feature selection algorithms attempt to select a common feature subset that is relevant to all clusters. Consequently, they are not able to identify individu...
Manoranjan Dash, Huan Liu