Shougo SHIMIZU


Complexity of the Type-Consistency Problem for Acyclic Object-Oriented Database Schemas
Shougo SHIMIZU Yasunori ISHIHARA Junji YOKOUCHI Minoru ITO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/05/01
Vol. E84-D  No. 5  pp. 623-634
Type of Manuscript:  PAPER
Category: Databases
Keyword: 
object-oriented databasetype-consistency problemacyclic schemacomplexity
 Summary | Full Text:PDF(800KB)

Computational Complexity of Finding Highly Co-occurrent Itemsets in Market Basket Databases
Yeon-Dae KWON Yasunori ISHIHARA Shougo SHIMIZU Minoru ITO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/12/25
Vol. E83-A  No. 12  pp. 2723-2735
Type of Manuscript:  PAPER
Category: General Fundamentals and Boundaries
Keyword: 
data mininglarge itemsethighly co-occurrent itemsetcomputational complexity
 Summary | Full Text:PDF(300.4KB)