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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 13 of 13  /   
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
 Results 1 - 13 of 13  /   
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