Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
IT, RCS, SIP |
2023-01-24 10:25 |
Gunma |
Maebashi Terrsa (Gunma, Online) (Primary: On-site, Secondary: Online) |
An improved context tree switching method by dynamic expansion and pruning of context tree Masaya Ootsu, Hideki Yagi (UEC) IT2022-36 SIP2022-87 RCS2022-215 |
The Context Tree Weighting (CTW) method is a sequential lossless universal coding algorithm for tree sources with good p... [more] |
IT2022-36 SIP2022-87 RCS2022-215 pp.42-47 |
DE, IPSJ-DBS |
2021-12-27 10:50 |
Online |
(Online, Tokyo) (Primary: Online, Secondary: On-site) |
Tree decomposition compression using tree grammar and query processing based on answer set programming Kazuyuki Kojima, Hiroyuki Seki (Nagoya Univ.) DE2021-16 |
Tree decomposition of a graph is an effective approach to solving problems for large graphs while the decomposition itse... [more] |
DE2021-16 pp.7-12 |
WBS, IT, ISEC |
2021-03-04 10:55 |
Online |
Online (Online) |
An Efficient Bayes Coding Algorithm for the Source Based on Context Tree Models that Vary from Section to Section Koshi Shimada, Shota Saito, Toshiyasu Matsushima (Waseda Univ.) IT2020-115 ISEC2020-45 WBS2020-34 |
In this paper, we present an efficient coding algorithm for a non-stationary source based on context tree models that ve... [more] |
IT2020-115 ISEC2020-45 WBS2020-34 pp.19-24 |
IT |
2017-11-28 16:35 |
Niigata |
Hotel Shiratama-no-Yu Senkei (Niigata) |
[Invited Talk]
AIFV Codes and Their Extended Codes Hirosuke Yamamoto (Univ. of Tokyo) IT2017-54 |
In source coding based on a code tree, it was concluded from Kraft's and McMilan's theorems that
the Huffman code is t... [more] |
IT2017-54 pp.19-26 |
SS, DC |
2017-10-19 13:45 |
Kochi |
Kochi City Culture-plaza CUL-PORT (Kochi) |
A Direct Update Method for Compressed Data with Top Tree Suguru Nishimura, Kenji Hashimoto, Hiroyuki Seki (Nagoya Univ.) SS2017-22 DC2017-21 |
This paper proposes a direct update method for a data compressed with top tree. For a given compressed data (top DAG) an... [more] |
SS2017-22 DC2017-21 pp.7-12 |
SS, DC |
2017-10-19 14:15 |
Kochi |
Kochi City Culture-plaza CUL-PORT (Kochi) |
A Transformation Method of XQuery Expressions for Evaluation on Compressed XML Documents Jukiya Ogura, Yasunori Ishihara, Toru Fujiwara (Osaka Univ.) SS2017-23 DC2017-22 |
While XML documents can easily express data structure, there is a disadvantage that the document size becomes large. For... [more] |
SS2017-23 DC2017-22 pp.13-18 |
SS, KBSE, IPSJ-SE [detail] |
2017-07-19 10:20 |
Hokkaido |
(Hokkaido) |
Graph compression by tree grammars and direct evaluation of a node selection query on a compressed graph Takeshi Takeda, Kenji Hashimoto, Hiroyuki Seki (Nagoya Univ.) SS2017-1 KBSE2017-1 |
Graphs expressing relationships between real-world data tend to be extremely large, and researches on graph compression ... [more] |
SS2017-1 KBSE2017-1 pp.1-6 |
COMP, ISEC |
2016-12-22 10:30 |
Hiroshima |
Hiroshima University (Hiroshima) |
[Invited Talk]
Theory and Practice of Succinct Data Structures Kunihiko Sadakane (Univ. of Tokyo) ISEC2016-82 COMP2016-43 |
Succinct data structures are data structures that can compress data to the limit and perform search and other operations... [more] |
ISEC2016-82 COMP2016-43 p.71 |
DC, SS |
2016-10-27 15:55 |
Shiga |
Hikone Kinro-Fukushi Kaikan Bldg. (Shiga) |
A Direct Update Method for XML Documents Including Data Values Compressed by Tree Grammars Ryunosuke Takayama, Kenji Hashimoto, Seki Hiroyuki (Nagoya Univ.) SS2016-27 DC2016-29 |
A tree grammar based compression is known as one of the compression methods for XML documents. Also, methods for updatin... [more] |
SS2016-27 DC2016-29 pp.55-60 |
KBSE, SS, IPSJ-SE [detail] |
2016-07-14 12:40 |
Hokkaido |
(Hokkaido) |
A Method of Tree Compression with Top Trees and Direct Query Evaluation Suguru Nishimura, Kenji Hashimoto, Hiroyuki Seki (Nagoya Univ.) SS2016-10 KBSE2016-16 |
Tree compression methods that utilize the structural information have the advantage that a compressed document can be di... [more] |
SS2016-10 KBSE2016-16 pp.93-98 |
LOIS |
2016-03-03 14:40 |
Okinawa |
Central Community Center, Miyakojima-City (Okinawa) |
An Extension of Update Method without Decompression for Compressed Structured Documents and Its Experimental Evaluation Takeshi Goto, Ryunosuke Takayama, Kenji Hashimoto, Hiroyuki Seki (Nagoya Univ.) LOIS2015-75 |
XML is a {it de facto} standard for data storage and exchange, and various compression methods for XML documents have be... [more] |
LOIS2015-75 pp.69-74 |