Haruo YOKOTA


Accordion: An Efficient Gear-Shifting for a Power-Proportional Distributed Data-Placement Method
Hieu Hanh LE Satoshi HIKIDA Haruo YOKOTA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/05/01
Vol. E98-D  No. 5  pp. 1013-1026
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
energy-awarepower-proportionalitydata-placementHDFS
 Summary | Full Text:PDF(1.2MB)

Cache-Conscious Data Access for DBMS in Multicore Environments
Fang XI Takeshi MISHIMA Haruo YOKOTA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/05/01
Vol. E98-D  No. 5  pp. 1001-1012
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
multicoreOLTPmiddlewarecache
 Summary | Full Text:PDF(4MB)

File and Task Abstraction in Task Workflow Patterns for File Recommendation Using File-Access Log
Qiang SONG Takayuki KAWABATA Fumiaki ITOH Yousuke WATANABE Haruo YOKOTA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/04/01
Vol. E97-D  No. 4  pp. 634-643
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
file recommendationfile abstractionabstract taskabstract workflowlog analysis
 Summary | Full Text:PDF(1.8MB)

NDCouplingHDFS: A Coupling Architecture for a Power-Proportional Hadoop Distributed File System
Hieu Hanh LE Satoshi HIKIDA Haruo YOKOTA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/02/01
Vol. E97-D  No. 2  pp. 213-222
Type of Manuscript:  PAPER
Category: Data Engineering, Web Information Systems
Keyword: 
power-proportionalityHDFSmetadata management
 Summary | Full Text:PDF(1.5MB)

A Compound Parallel Btree for High Scalability and Availability on Chained Declustering Parallel Systems
Min LUO Akitsugu WATANABE Haruo YOKOTA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/03/01
Vol. E94-D  No. 3  pp. 587-601
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering)
Category: 
Keyword: 
parallel Btreescalabilityavailabilitychained declustering
 Summary | Full Text:PDF(2.8MB)

MARK-OPT: A Concurrency Control Protocol for Parallel B-Tree Structures to Reduce the Cost of SMOs
Tomohiro YOSHIHARA Dai KOBAYASHI Haruo YOKOTA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/08/01
Vol. E90-D  No. 8  pp. 1213-1224
Type of Manuscript:  PAPER
Category: Database
Keyword: 
indexconcurrency controlB-treeparallel DBlatch
 Summary | Full Text:PDF(748.3KB)

UPRISE: Unified Presentation Slide Retrieval by Impression Search Engine
Haruo YOKOTA Takashi KOBAYASHI Taichi MURAKI Satoshi NAOI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/02/01
Vol. E87-D  No. 2  pp. 397-406
Type of Manuscript:  Special Section PAPER (Special Section on Information Processing Technology for Web Utilization)
Category: 
Keyword: 
presentation slide retrievalsearch enginee-learninginformation unification
 Summary | Full Text:PDF(851KB)

FOREWORD
Haruo YOKOTA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/12/01
Vol. E86-D  No. 12  pp. 2501-2502
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(52.3KB)

Concurrency Control and Performance Evaluation of Parallel B-tree Structures
Jun MIYAZAKI Haruo YOKOTA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/08/01
Vol. E85-D  No. 8  pp. 1269-1283
Type of Manuscript:  PAPER
Category: Databases
Keyword: 
B-treeindexconcurrency controlparallel databaseshared-nothing parallel computer
 Summary | Full Text:PDF(648.4KB)

Software Cache Techniques for Memory Nodes in Distributed Memory Parallel Production Systems
Jun MIYAZAKI  Haruo YOKOTA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/08/25
Vol. E79-D  No. 8  pp. 1046-1054
Type of Manuscript:  Special Section PAPER (Special Issue on Architectures, Algorithms and Networks for Massively Parallel Computing)
Category: Architectures
Keyword: 
distributed memory parallel computersproduction systemssoftware cache techniquesload balancing
 Summary | Full Text:PDF(794.4KB)