CiNii Articles - NAKAYAMA Masaya

1

D-19-11 A Study of Anonymize Algorithm Based on Data Distance [in Japanese]

Akiyama Hiroko , Nakayama Masaya , Kato Akira , Sunahara Hideki

Proceedings of the IEICE General Conference 2016年_情報・システム(2), 192, 2016-03-01
2

A study on the effect on the impression of forest landscape and forest local experience by omnidirectional panoramic application [in Japanese]

村松佳奈 , 中山雅哉 , 斎藤馨

In mobile terminals including the iPad, which have become popular in recent years. This study discussed effect on viewers when they watch the natural environment such as forest though mobile terminal. …

IPSJ SIG technical reports 2015-DCC-9(5), 1-8, 2015-01-19
3

A study on the effect on the impression of forest landscape and forest local experience by omnidirectional panoramic application [in Japanese]

村松佳奈 , 中山雅哉 , 斎藤馨

In mobile terminals including the iPad, which have become popular in recent years. This study discussed effect on viewers when they watch the natural environment such as forest though mobile terminal. …

IPSJ SIG technical reports 2015-CDS-12(5), 1-8, 2015-01-19
4

A study on the effect on the impression of forest landscape and forest local experience by omnidirectional panoramic application [in Japanese]

村松佳奈 , 中山雅哉 , 斎藤馨

In mobile terminals including the iPad, which have become popular in recent years. This study discussed effect on viewers when they watch the natural environment such as forest though mobile terminal. …

IPSJ SIG Notes 2015-GN-93(5), 1-8, 2015-01-19
5

Development of multi-point forest realtime monitoring system [in Japanese]

Saito Kaoru , Fujiwara Akio , Nakamura Kazuhiko , Kobayashi Hiroki , Iwaoka Masahiro , Nakayama Masaya

[in Japanese]

The Japanese Forest Society Congress 125(0), 34, 2014

J-STAGE
6

High-density Structural Health Monitoring System for High-rise Seismic Isolated Building Using Existing Network Facilities [in Japanese]

NISHIKAWA Takafumi , KONNO Katsuaki , FUJINO Yozo , NAKAYAMA Masaya

This paper presents a new high-density structural health monitoring system and its application to earthquake recording in a high-rise seismic isolated building. The monitoring system consists of many …

Journal of Japan Association for Earthquake Engineering 14(2), 2_1-2_15, 2014

J-STAGE
7

A Proposal and Evaluation of Hazard Index for Flood Damage Based on Meteorological Observation Networks [in Japanese]

HIROI Kei , TAENAKA Yuzo , NAKAYAMA Masaya , YOKOYAMA Hitoshi , NAKATANI Tsuyoshi , MISUMI Ryohei , SUNAHARA Hideki

雨量計や気象レーダから観測される降水量の観測値は水害の気象現象,被災状況の把握に役立ち被害の軽減に繋がると期待される.しかしこれらの観測値には,(1)観測点以外の地点における降水量の即時性と精度に欠け,(2)提供される観測値から実際の水害の危険度合いを推定することが困難であるという問題をもつ.そのため専門的な知識をもたない一般の人々が災害対応に活用することが難しい.そこで既存の気象観測網から得られ …

The transactions of the Institute of Electronics, Information and Communication Engineers. B 96(10), 1198-1205, 2013-10
8

Proposal and Evaluation of Priority Control Method on Per-Flow Basis Based on Bandwidth Utilization to Keep Response Time Within a Certain Threshold [in Japanese]

ISHIKAWA Keiya , TAENAKA Yuzo , NAKAYAMA Masaya

Multiple data flows sharing limited bandwidth cause communication delay in communication networks. In particular it is important to deal with such a problem in the wireless LAN environments, since man …

IEICE technical report. Social Implications of Technology and Information Ethics 112(488), 127-132, 2013-03-14
9

Proposal and Evaluation of Priority Control Method on Per-Flow Basis Based on Bandwidth Utilization to Keep Response Time Within a Certain Threshold [in Japanese]

ISHIKAWA Keiya , TAENAKA Yuzo , NAKAYAMA Masaya

Multiple data flows sharing limited bandwidth cause communication delay in communication networks. In particular it is important to deal with such a problem in the wireless LAN environments, since man …

IEICE technical report. Internet Architecture 112(489), 127-132, 2013-03-14
10

Construction of the Internet forest observation website [in Japanese]

Saito Kaoru , Nakamura Kazuhiko , Watanabe Ryuichi , Fujiwara Akio , Iwaoka Masahiro , Nakayama Masaya , Otsuji Hisashi , Kobayashi Hiroki

「インターネット森林観察サイト」は、森林の現在の様子、過去の様子をインターネットから提供するサイトで、誰もが、遠隔の森林情報に容易に接しながら、森林の季節や経年変化に気づき、興味を持って森林の観察ができ、しかも観察継続がしやすくなるサイトを目的に開発した。対象の森林は遠隔の天然林で、かつ長期映像記録のある東京大学秩父演習林（埼玉県奥秩父：過去15 年間記録）と信州大学志賀自然教育園（長野県志賀 …

The Japanese Forest Society Congress 124(0), 36, 2013

J-STAGE
11

Practical Programming Education for measuring and visualization of Environmental Information on a High School of Informatics [in Japanese]

滑川敬章 , 落合秀也 , 山内正人 , 高岡詠子 , 中山雅哉 , 江崎浩 , 砂原秀樹

プログラム言語を身につけるためにプログラム言語を学ぶのではなく，実際やりたいことの実現のためにプログラム言語を学ぶというコンセプトのもと，2011～2012年度にかけて情報系高校で，ハードウェア，ソフトウェア両方を扱う講座を行った．プログラム作成の対象がゲームであることが多い現状を踏まえ，ゲーム以外のプログラミングに興味を持たせるため，センサ制御やネットワーク経由でセンサデータを取得するなどのプロ …

研究報告コンピュータと教育（CE） 2012-CE-116(16), 1-8, 2012-10-06
12

A Discussion about Improving the Quality of Communications in Wireless LAN Environment with High Terminal Density [in Japanese]

ISHIKAWA Keiya , TAENAKA Yuzo , NAKAYAMA Masaya

A wireless LAN with IEEE802.11g has become more popular. In a wireless LAN environment, a rapid increase in the communication delay becomes a problem as the number of terminals connected to one access …

IEICE technical report. Information networks 112(28), 55-60, 2012-05-10

References (3)
13

BS-6-2 Otsuchi Soudscape Live-streaming [in Japanese]

斎藤馨 , 中山雅哉 , 小林博樹 , 中村和彦 , 藤原章雄

Proceedings of the IEICE General Conference 2012年_通信(2), "S-100", 2012-03-06
14

Application and evaluation of remote teaching materials for forest environmental class in an elementary school through real-time streaming and video archive systems of a beech forest at the Tokyo university forest in Chichibu, Japan [in Japanese]

SAITO Kaoru , NAKAMURA Kazuhiko , FUJIWARA Akio , IWAOKA Masahiro , KOBAYASHI Hiroki , NAKAYAMA Masaya , FUJIEDA Syunsuke

The Japanese Forest Society Congress 122(0), 352-352, 2011

J-STAGE
15

UTMesh : An Evaluation Testbed for Wireless Networking-Development and Experiment Report [in Japanese]

OCHIAI Hideya , NAKAYAMA Masaya , ESAKI Hiroshi

In the study of delay tolerant networks and mobile ad hoc networks as the basis of sensor networks, implementation and evaluation of technical proposal with real equipments are mandatory. We have deve …

IEICE technical report 110(349), 55-60, 2010-12-10

References (12)
16

B-6-48 A proposal of TCP-splitting method based on bottleneck RTT and its evaluation [in Japanese]

KUREBAYASHI Yuki , NAKAYAMA Masaya

Proceedings of the IEICE General Conference 2010年_通信(2), 48, 2010-03-02
17

Consideration of remote teaching for a elementary school science class with forest monitoring video and foliage of a beech [in Japanese]

SAITO Kaoru , NAKAMURA Kazuhiko , OTSUJI Hisashi , TOYODA Kaori , NAKAYAMA Masaya , FUJIWARA Akio , ANDO Koji , IWAOKA Masahiro

The Japanese Forest Society Congress 121(0), 307-307, 2010

J-STAGE
18

Proposal and Evaluation of an Adaptive Communication Method for Dealing with Dynamic Contact ID Updates [in Japanese]

SAKAMOTO YUSUKE , NAKAYAMA MASAYA

Users select their Contact IDs (e.g. E-mail Addresses) to communicate to others depending on partners. Selective use is widely used because it enables users to control their communication methods. How …

IPSJ SIG Notes 71, 133-138, 2009-03-11

References (12)
19

Open Research Testbed toward Future Network Architecture Development - Fact Sheets of Four Year Activities in National Project JGN12 - : [in Japanese]

NAKAMURA Kazuhiko , YAMAMOTO Seiichi , KITAMURA Yasuichi , OTSUKI Hideki , NAKAYAMA Masaya , KOBAYASHI Kazumasa , 江崎浩 , 下條真司

IPSJ Magazine 49(10), 1176-1183, 2008-10-15

IPSJ References (4)
20

An Effective Enhanced ICMP Traceback to Specify Attackers of Low Rate DoS Attack [in Japanese]

TAKADA Tomonori , NAKAYAMA Masaya

ICMP Traceback (iTrace)は,送信元IPアドレスを偽装したパケットによるDoS攻撃の攻撃元を,被害者が特定するのに有効な手法である.しかし,iTraceパケットがネットワークに与える負荷を考慮し,iTraceパケットの生成確率を小さな値としているため,攻撃パケットの発生レートが低いDoS攻撃には適さないという問題があった.本論文では,その問題を解決すべく,ICMP Traceb …

The IEICE transactions on communications B 91(10), 1203-1210, 2008-10-01

References (13)

中山雅哉 NAKAYAMA Masaya

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中山 雅哉 NAKAYAMA Masaya

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中山雅哉 NAKAYAMA Masaya

Articles:　 1-20 of 75