***Department of Statistics, Chungnam National University (2008)
Kazuko Kuriyama, Noriko K, Hsin-hsi Chen, Taejon Korea
The purpose of this paper is to overview research efforts at the NTCIR-6 CLIR task, which is a project of large-scale retrieval experiments on cross-lingual information retrieval (CLIR) of Chinese,...
Sensitivity of IR systems Evaluation to Topic Difficulty (2008)
Koji Eguchi Ý, Kazuko Kuriyama Þ, Noriko K
The difficulty of the topics or queries is one of important factors in evaluating information retrieval (IR) systems. This paper analyzes the differences of system ranking affected by the topic...
Makoto Iwayama, Atsushi Fujii, Noriko K, Yuzo Marukawa
Reflecting the rapid growth in the utilization of large test collections for information retrieval since the 1990s, extensive comparative experiments have been performed to explore the effectiveness...
An evaluation of the web retrieval task at the third NTCIR workshop (2008)
Koji Eguchi, Keizo Oyama, Emi Ishida, Noriko K, O Kazuko Kuriyama
Report from the NTCIR Workshop 3 (2008)
The NTCIR Workshop [1] is a series of evaluation workshops designed to enhance research in information access (IA) technologies including information retrieval (IR), cross-lingual information...
Report on the Patent Retrieval Task at NTCIR Workshop 3 (2008)
Makoto Iwayama, Atsushi Fujii, Noriko K, Akihiko Takano
While a number of commercial patent retrieval systems and services have long been operated, patent retrieval has not been paid much attention in the information retrieval community. One of the...
NACSIS Test Collection Workshop (NTCIR-1) (2007)
Noriko Kando, Noriko K, Kazuko Kuriyama, Toshihiko Nozue
This paper reports the outline of the first NACSIS Test Collection for Information Retrieval (NTCIR) Workshop[1] will be held on August 30-September 1, 1999
Overview of opinion analysis pilot task at NTCIR-6 (2007)
Yohei Seki, David Kirk Evans, Lun-wei Ku, Hsin-hsi Chen, Noriko K, Chin-yew Lin
This paper describes an overview of the Opinion Analysis Pilot Task from 2006 to 2007 at the Sixth NT-CIR Workshop. We created test collection for 32, 30, and 28 topics (11,907, 15,279, and 8,379...
Opinion-focused Summarization and its Analysis at DUC 2006 (2006)
Yohei Seki, Koji Eguchi, Noriko K, Masaki Aono
In this paper, we present our approach to opinion-focused summarization, its results with the DUC 2006 data, and additional analysis. We extend our approach previously proposed from DUC 2005 to...
MultiDocument Summarization with Subjectivity Analysis at DUC 2005 (2005)
Yohei Seki, Koji Eguchi, Noriko K, Masaki Aono
In this paper, we present our team TUT/NII results at DUC 2005 and additional experiments on improving multi-document summarization. Summarization systems have typically focused on the factual aspect...
Certainty categorization model (2004)
Victoria L. Rubin, Noriko K, Elizabeth D. Liddy
We present a theoretical framework and preliminary results for manual categorization of explicit certainty information in 32 English newspaper articles. The explicit certainty markers were identified...
Test Collection for Patent-to-Patent Retrieval and Patent Map Generation (2004)
Atsushi Fujii, Makoto Iwayama, Noriko K
This paper describes the Patent Retrieval Task in the Fourth NTCIR Workshop, and the test collections produced in this task. We perform the invalidity search task, in which each participant group...
Overview of clir task at the third ntcir workshop (2002)
Kuang-hua Chen, Hsin-hsi Chen, Noriko K, Kazuko Kuriyama, Sukhoon Lee, Sung Hyon Myaeng, ...
This report is an overview of Cross-Language Information Retrieval Task (CLIR) at the third NTCIR Workshop. There are 3 tracks in CLIR: Single Language IR (SLIR), Bilingual CLIR (BLIR), and...
Noriko Kando Kazuko, Noriko K, Kazuko Kuriyama, Toshihiko Nozue, Koji Eguchi, Hiroyuki Kato, ...
This paper introduces the outline of the first NTCIR Workshop, which is the first evaluation workshop designed to enhance research in Japanese text retrieval and cross-lingual information retrieval....