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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 22  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
DE, IPSJ-DBS, IPSJ-IFAT [detail] 2023-09-22
10:30
Fukuoka Kitakyushu International Conference Center An efficient method of persistence procedures for spatial indexes on non-volatile memory
Hirotaka Yoshioka, Kazuo Goda, Masaru Kitsuregawa (Univ. of Tokyo) DE2023-22
 [more] DE2023-22
pp.66-71
DE, IPSJ-DBS, IPSJ-IFAT [detail] 2023-09-22
10:55
Fukuoka Kitakyushu International Conference Center A Preliminary Study of Dynamic Query Optimization Using MLIR
Genki Kimura, Kazuo Goda (UT) DE2023-23
Query optimizer generates execution plans from input queries and has a significant impact on database performance. Tradi... [more] DE2023-23
pp.72-77
DE, IPSJ-DBS, IPSJ-IFAT [detail] 2022-09-09
13:00
Toyama Toyama Prefectural Hall
(Primary: On-site, Secondary: Online)
Design study and preliminary experiment of pmmeter: performance microbenchmarking tool for non-volatile memory
Hirotaka Yoshioka, Yuto Hayamizu, Kazuo Goda, Masaru Kitsuregawa (Univ. of Tokyo) DE2022-7
(To be available after the conference date) [more] DE2022-7
pp.1-6
DE, IPSJ-DBS, IPSJ-IFAT [detail] 2022-09-09
13:50
Toyama Toyama Prefectural Hall
(Primary: On-site, Secondary: Online)
A Preliminary Study on Parallel Execution of High-Utility Itemset Mining on NUMA Environments
Genki Kimura, Yuto Hayamizu (UTokyo), Rage Uday Kiran (UoA), Kazuo Goda, Masaru Kitsuregawa (UTokyo) DE2022-9
(To be available after the conference date) [more] DE2022-9
pp.13-18
DE, IPSJ-DBS, IPSJ-IFAT 2021-09-16
14:45
Online Online Approximate query processing using synopses embedded b+trees and preliminary experiments
Hiroki Yuasa, Kazuo Goda, Masaru Kitsuregawa (UT) DE2021-13
In this paper, we propose a new data structure made by incorporating synopses into b+trees, and make use of the incorpor... [more] DE2021-13
pp.7-12
DE, IPSJ-DBS 2020-12-22
10:00
Online Online A Study of Execution Costs of Database Operations for Non-Volatile Memory Devices
Hirotaka Yoshioka, Kazuo Goda, Masaru Kitsuregawa (Univ of Tokyo) DE2020-23
Non-Volatile memory (NVM) is an emerging technology, which has persistency properties similar to SSD and HDD, while prov... [more] DE2020-23
pp.36-41
DE, IPSJ-DBS, IPSJ-IFAT 2020-09-05
15:50
Online Online A Preliminary Study of Microbenchmarking for Performance Evaluation of Non-volatile Memory Devices
Hirotaka Yoshioka, Kazuo Goda, Masaru Kitsuregawa (Univ. of Tokyo) DE2020-14
Non-Volatile memory (NVM) is an emerging technology, which has persistency properties similar to SSD and HDD, while prov... [more] DE2020-14
pp.7-12
DE, IPSJ-DBS 2019-12-24
13:40
Tokyo National Institute of Informatics A Study on Performance Model of an Analytical Parallel Database System with Dynamic Fault Tolerance
Yutaro Bessho, Yuto Hayamizu, Kazuo Goda, Masaru Kitsuregawa (Univ. of Tokyo) DE2019-28
Driven by the ever-increasing demand of decision-making applications, database volume continues to grow, leading to prol... [more] DE2019-28
pp.43-48
DE, IPSJ-DBS 2019-12-24
15:05
Tokyo National Institute of Informatics A Trial of Long-term Operation Testing for Understanding Performance Deterioration Phenomenon in Recent HDDs
Hiroshi Sato (HIROTA), Yoshinobu Nagase (JVCKENWOOD), Kazuo Goda (UTokyo), Hisao Ichimura (HIROTA), Takayuki Yokoyama (MIKASA), Masumi Okada (TOYO Corp.) DE2019-30
Magnetic disk drives (HDDs) are a representative storage device, which is widely utilized in many places in the society.... [more] DE2019-30
pp.61-64
DE, IPSJ-DBS 2018-12-22
13:45
Tokyo National Institute of Informatics A Study on Detecting Anonymized Personal Identifiers including Multiple Individuals in Japanese Health Insurance Claims Data
Jumpei Sato, Hiroyuki Yamada, Kazuo Goda, Kitsuregawa Masaru (Tokyo Univ.), Naohiro Mitsutake (IHEP) DE2018-27
Anonymization of medical data helps protect patient identities. However, with conventional anonymized personal identifie... [more] DE2018-27
pp.55-60
DE, IPSJ-DBS 2018-12-22
14:15
Tokyo National Institute of Informatics Design and Preliminary Evaluation of Interactive Anonymization of Large Scale Data using Out-of-order Database Engine
Norifumi Nishikawa, Yuuya Isoda, Hideomi Idei, Kazuhiko Mogi, Masayuki Yoshino, Akira Shimizu (Hitachi), Yuto Hayamizu, Kazuo Goda (Tokyo Univ.), Masaru Kitsuregawa (Tokyo Univ./NII) DE2018-28
Protection of privacy is required for driving promotion of large-scale data. In order to reduce a risk of re-identificat... [more] DE2018-28
pp.61-64
DE, IPSJ-DBS 2018-12-22
15:25
Tokyo National Institute of Informatics A Preliminary Study Towards Autotuning of Performance Models for Magnetic Disk Drives
Yutaro Bessho, Kazuo Goda, Yuto Hayamizu, Masaru Kitsuregawa (The Univ. of Tokyo) DE2018-30
With the trend of increasing sector density, hard disk drives are becoming more prone to abnormal latencies caused by ba... [more] DE2018-30
pp.71-76
DE, IPSJ-DBS, IPSJ-IFAT 2018-09-12
14:50
Tokyo   An Experimental Study on Mitigation Effect on Query Execution Suspension by Early Log Application
Yuichi Tanikawa, Kazuo Goda, Masaru Kitsuregawa (UTokyo) DE2018-13
In the failure recovery process, database management systems apply the log from the point-in-time in which the last chec... [more] DE2018-13
pp.25-30
DE, CEA, IPSJ-DBS 2017-12-22
13:30
Tokyo National Institute of Informatics A Study on Prototyping of Fast Database Engine with Runtime Resource Adjustment Mechanism in Cloud Environments
Akihiro Okuno, Yuto Hayamizu, Kazuo Goda (The Univ. of Tokyo), Masaru Kitsuregawa (The Univ. of Tokyo/NII) DE2017-25
Cloud environments are becoming widely used together with on-premise environments. Cloud environments allow users to adj... [more] DE2017-25
pp.7-12
DE 2016-09-13
14:20
Kanagawa Keio Univ. (Hiyoshi Campus) An Experimental Study on Evaluating Query Optimizers in Database Systems
Ryoji Kawamichi, Yuto Hayamizu, Kazuo Goda (UTokyo), Masaru Kitsuregawa (UTokyo/NII) DE2016-12
While the optimality of a query optimizer has a significant impact on performance of a database system, a systematic eva... [more] DE2016-12
pp.1-6
PRMU, DE 2011-06-06
11:00
Kanagawa   An Experimental Study on Power Saving of Online Transaction Processing using Dynamic Voltage and Frequency Scaling in a SSD-equipped Environment
Yuto Hayamizu, Kazuo Goda, Miyuki Nakano, Masaru Kitsuregawa (The Univ. of Tokyo) DE2011-3 PRMU2011-34
Power consumption of datacenters has been increasing, and today its power saving is highly demanded. For power saving in... [more] DE2011-3 PRMU2011-34
pp.13-18
DE 2010-12-06
17:45
Tokyo AIST Tokyo Akihabara Site An Experimental Study on Application-aware Power Saving Method for Online Transaction Processing using Dynamic Voltage and Frequency Scaling
Yuto Hayamizu, Kazuo Goda, Miyuki Nakano, Masaru Kitsuregawa (Univ. of Tokyo) DE2010-37
Power consumption of servers in data centers has been growing rapidly recent years. Among these servers, power saving of... [more] DE2010-37
pp.67-72
DE 2010-08-04
15:00
Tokyo Aoyama Gakuin University An Experimental Study on Energy Saving for Dynamic Voltage and Frequency Scaling in Online Transaction Processing
Yuto Hayamizu, Kazuo Goda, Masaru Kitsuregawa (Univ. of Tokyo) DE2010-21
As IT systems play more important roles in our society, their complexity and the amount of processed data is growing. Th... [more] DE2010-21
pp.41-46
IA 2009-12-18
09:55
Tokyo Kikai-Shinko-Kaikan Bldg Collaborative Green Storage: A Vision for Energy Efficient Disk Storage Enabled by Cooperation with Database Systems
Kazuo Goda, Masaru Kitsuregawa (The Univ. of Tokyo.) IA2009-67
 [more] IA2009-67
pp.13-16
DE 2007-07-02
14:20
Miyagi Akiu hot springs (Sendai) Online Monitor of Structural Deterioration to Help Database Reorganization
Takashi Hoshino, Kazuo Goda, Masaru Kitsuregawa (Univ. of Tokyo) DE2007-24
 [more] DE2007-24
pp.13-18
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