Haruo YOKOTA

Concurrency Control Protocol for Parallel B-Tree Structures That Improves the Efficiency of Request Transfers and SMOs within a Node
Tomohiro YOSHIHARA Dai KOBAYASHI Haruo YOKOTA 
Publication:   
Publication Date: 2018/01/01
Vol. E101-D  No. 1  pp. 152-170
Type of Manuscript:  PAPER
Category: Data Engineering, Web Information Systems
Keyword: 
concurrency, distributed databases, transaction processing, directory structures, trees, 
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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-aware, power-proportionality, data-placement, HDFS, 
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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: 
multicore, OLTP, middleware, cache, 
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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 recommendation, file abstraction, abstract task, abstract workflow, log analysis, 
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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-proportionality, HDFS, metadata management, 
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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 Btree, scalability, availability, chained declustering, 
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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: 
index, concurrency control, B-tree, parallel DB, latch, 
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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 retrieval, search engine, e-learning, information unification, 
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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: 
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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-tree, index, concurrency control, parallel database, shared-nothing parallel computer, 
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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 computers, production systems, software cache techniques, load balancing, 
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