Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
LQE, CPM, ED |
2020-11-27 14:30 |
Online |
Online |
Crystalline Quality Improvement of Sputtered h-BN on Sapphire by High-Temperature Annealing Ryoji Kataoka, Haruhiko Koizumi, Sho Iwayama, Hideto Miyake (Mie Univ.) ED2020-22 CPM2020-43 LQE2020-73 |
Hexagonal boron nitride(h-BN) is a two-dimensional layered materials and is expected to functions as a strain relaxation... [more] |
ED2020-22 CPM2020-43 LQE2020-73 pp.83-86 |
CS, CQ (Joint) |
2012-04-20 10:40 |
Okinawa |
Ishigakijima |
A Study on the Correlation between Information Quality of Query Recommendation in a Web Search and Each User's IT Literacy Naoki Fujita, Norifumi Katafuchi, Ryoji Kataoka (NTT) CQ2012-13 |
Users' satisfaction level with information provided by systems such as search engines are different among users. Thus it... [more] |
CQ2012-13 pp.71-76 |
PRMU, DE |
2011-06-07 09:30 |
Kanagawa |
|
A Proposal of an Instant Question Search System Takeharu Eda, Toshio Uchiyama, Alice Chen, Katsuji Bessho, Ryoji Kataoka (NTT), Masatoshi Yoshikawa (Kyoto Univ.) DE2011-15 PRMU2011-46 |
[more] |
DE2011-15 PRMU2011-46 pp.85-89 |
DE |
2008-12-01 |
Tokyo |
Gakushuin |
[Poster Presentation]
Spammer Detection based on Tagging Behavior in Social Bookmarking Systems Yoshihiko Suhara, Yukio Uematsu, Takafumi Inoue, Ryoji Kataoka (NTT Cyber Solutions Lab.) DE2008-54 |
In this paper, we consider that spammers in social bookmarking systems have different tagging behavior
from non-spammer... [more] |
DE2008-54 pp.7-8 |
DE |
2008-12-01 |
Tokyo |
Gakushuin |
[Poster Presentation]
An analysis of the blog network considered local structure Shigeru Fujimura, Hiroyuki Toda, Yumiko Matsuura, Ryoji Kataoka (NTT Cyber Solutions Laboratories) DE2008-58 |
Large scale networks like the Web or weblogs consist of so many types of contents, such as spams whose aim are mainly ri... [more] |
DE2008-58 p.15 |
DE |
2008-12-01 |
Tokyo |
Gakushuin |
[Poster Presentation]
RINCA: Ranking based on Information Needs in conjunction with Click log Analysis Masaya Murata, Hiroyuki Toda, Yumiko Matsuura, Ryoji Kataoka (NTT Cyber Solutions Laboratories) DE2008-60 |
Precision at a higher rank in search results is one of the important factors that determines the performance of the sear... [more] |
DE2008-60 p.19 |
DE |
2008-09-21 17:00 |
Fukushima |
|
[Poster Presentation]
Location-Aware Information Retrieval for Mobile Devices Hiroyuki Toda, Norihito Yasuda, Yumiko Matsuura, Ryoji Kataoka (NTT) DE2008-41 |
This paper proposes a novel geographic IR system
that realizes location-aware searches that emphasize the user's
immed... [more] |
DE2008-41 pp.23-24 |
PRMU, MI |
2007-05-25 09:00 |
Mie |
Mie Univ. |
Text Classification Method Based on Hierarchical Relations among Words Katsuji Bessho, Toshio Uchiyama, Ryoji Kataoka (NTT) PRMU2007-15 MI2007-15 |
Most of conventional text classification methods use symmetric measures such as cosine similarity or Euclidean metric of... [more] |
PRMU2007-15 MI2007-15 pp.79-84 |
NLC |
2007-01-31 16:00 |
Hokkaido |
Sapporo Convention Center |
Extraction of Hierarchical Relations among Words Based on Co-occurrences between Words and Semantic Attributes Katsuji Bessho, Toshio Uchiyama, Ryoji Kataoka (NTT) |
The co-occurrence vectors that are the co-occurrence frequencies between words and semantic attributes in a corpus refle... [more] |
NLC2006-92 pp.31-36 |
LOIS |
2006-05-19 13:30 |
Tokyo |
NTT Musashino R&D Center |
[Invited Talk]
Navigation Technologies for Portal Services Masahiro Oku, Ryoji Kataoka, Masashi Morimoto (NTT) |
We have been conducting research and development on the core technologies to realize innovative portal services that pro... [more] |
OIS2006-4 pp.19-24 |
LOIS |
2006-03-10 13:15 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Clustering Co-occurring Words with Query for Community Extraction Shigeru Fujimura, Ko Fujimura, Ryoji Kataoka (NTT) |
[more] |
OIS2005-89 pp.1-6 |
LOIS |
2006-03-10 14:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Multi-faceted Blog Seach System - BLOGRANGER Ko Fujimura, Hiroyuki Toda, Takafumi Inoue, Nobuaki Hiroshima, Ryoji Kataoka (NTT), Masayuki Sugizaki (NTT Resonant) |
[more] |
OIS2005-92 pp.19-24 |
DE |
2005-07-13 17:00 |
Aomori |
OIRASE |
* Hiroyuki Toda (NTT/Univ. of Tsukuba), Ryoji Kataoka (NTT), Hiroyuki Kitagawa (Univ. of Tsukuba) |
[more] |
DE2005-53 pp.137-142 |