Joong Hyuk CHANG


Finding Interesting Sequential Patterns in Sequence Data Streams via a Time-Interval Weighting Approach
Joong Hyuk CHANG Nam Hun PARK 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/08/01
Vol. E96-D  No. 8  pp. 1734-1744
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
time-interval weightweighted sequential patterntime-interval sequential patterntime-interval sequence data streamdata stream
 Summary | Full Text:PDF(1.3MB)

Decaying Obsolete Information in Finding Recent Frequent Itemsets over Data Streams
Joong Hyuk CHANG Won Suk LEE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/06/01
Vol. E87-D  No. 6  pp. 1588-1592
Type of Manuscript:  LETTER
Category: Databases
Keyword: 
decaying obsolete informationrecent frequent itemsetsdata streams
 Summary | Full Text:PDF(453.6KB)