Table of Contents: NTCIR Workshop 5 Proceedings

Preface: Noriko Kando
Overview of the Fifth NTCIR Workshop [Slides]: Noriko Kando

Cross Lingual Information Retrieval Task (CLIR) (Return to Top)

Overview of CLIR Task at the Fifth NTCIR Workshop (revised version) [Slides]: Kazuaki Kishida, Kuang-hua Chen, Sukhoon Lee, Kazuko Kuriyama, Noriko Kando, Hsin-Hsi Chen and Sung Hyon Myaeng; (*) This paper was revised on 2005-12-13.
Single Language Information Retrieval at NTCIR-5: Qing Ma, Koichi Nakao, Kousuke Enomoto and Masaki Murata
Report on CLIR Task for the NTCIR-5 Evaluation Campaign [Slides] [Poster]: Samir Abdou and Jacques Savoy
I2R at NTCIR5: Yang Lingpeng and Ji Donghong
Toshiba BRIDJE at NTCIR-5 CLIR: Evaluation using Geometric Means: Tetsuya Sakai, Toshihiko Manabe, Akira Kumano, Makoto Koyama and Tomoharu Kokubu
Chinese Information Retrieval Based on Related Term Group: Tingting He, Guozhong Qu, Xinhui Tu and Donghong Ji
Using the Web for Translation Disambiguation: RMIT University at NTCIR-5 Chinese-English CLIR: Ying Zhang and Phil Vines
Applying Multiple Characteristics and Techniques in the NICT Information Retrieval System in NTCIR-5: Masaki Murata, Qing Ma and Hitoshi Isahara
NTCIR-5 CLIR Experiments at QUT: David Lu, Shlomo Geva, Yue Xu and Yuefeng Li
Thomson Legal and Regulatory at NTCIR-5: Japanese and Korean Experiments: Isabelle Moulinier and Ken Williams
NTCIR-5 Chinese, English, Korean Cross Language Retrieval Experiments using PIRCS: Kui-Lam Kwok, Sora Choi, Norbert Dinstl and Peter Deng
POSTECH at NTCIR-5: Combining Evidences of Multiple Term Extractions for Mono-lingual and Cross-lingual Retrieval in Korean and Japanese: Seung-Hoon Na, In-Su Kang and Jong-Hyeok Lee
NTCIR-5 CLIR Experiments at Oki: Tetsuji Nakagawa
MIMOR @ NTCIR 5: A Fusion-based Approach to Japanese Information Retrieval: Nina Kummer, Christa Womser-Hacker and Noriko Kando
Some Experiments with Blind Feedback and Re-ranking for Chinese Information Retrieval: Y. Xiao, R.W.P. Luk, K.F. Wong and K.L. Kwok
ISCAS in English-Chinese CLIR at NTCIR-5: Jinming Min, Le Sun and Junlin Zhang
A Decade after TREC-4 --NTCIR-5 CLIR-J-J Experiments at Yahoo!Japan [Slides]: Sumio Fujita
MIRACLE Retrieval Experiments with East Asian Languages: Julio Villena-Román, José Miguel Goñi-Menoyo, José C. González-Cristóbal and José Luis Martínez-Fernández
The University of Amsterdam at NTCIR-5: Jaap Kamps, Michiel van der Bruggen and Maarten de Rijke
Comparison of Global Term Expansion Methods for Text Retrieval: Yuen-Hsien Tseng, Yu-Chin Tsai and Chi-Jen Lin
CJK Experiments with Hummingbird SearchServer^TM at NTCIR-5: Stephen Tomlinson
Chinese Information Retrieval Using Lemur: NTCIR-5 CIR Experiments at UNT: Jiangping Chen, Rowena Li and Fei Li
How Similar are Chinese and Japanese for Cross-Language Information Retrieval?: Fredric C. Gey
Search-Result-Based Method for Unknown Term Translation in Cross-Language Information Retrieval: Jiun-Hung Lin, Min-Shiang Shia, Kao-Hung Lin, Shu-Jung Lin, Scott Yu and Wen-Hsiang Lu; (*) This paper was not included in the printed version of this proceedings due to delay in the submission.

Cross Lingual Question Answering Task (CLQA) (Return to Top)

Overview of the NTCIR-5 Cross-Lingual Question Answering Task (CLQA1): Yutaka Sasaki, Hsin-Hsi Chen, Kuang-hua Chen and Chuan-Jie Lin
NTT's Japanese-English Cross-Language Question Answering System: Hideki Isozaki, Katsuhito Sudoh and Hajime Tsukada
CMU JAVELIN System for NTCIR5 CLQA1: Frank Lin, Hideki Shima, Mengqiu Wang and Teruko Mitamura
ASQA: Academia Sinica Question Answering System for NTCIR-5 CLQA: Cheng-Wei Lee, Cheng-Wei Shih, Min-Yuh Day, Tzong-Han Tsai, Tian-Jian Jiang, Chia-Wei Wu, Cheng-Lung Sung, Yu-Ren Chen, Shih-Hung Wu and Wen-Lian Hsu
NTCIR-5 English-Chinese Cross Language Question-Answering Experiments using PIRCS: Kui-Lam Kwok, Peter Deng, Norbert Dinstl and Sora Choi
A Method of Cross Language Question-Answering Based on Machine Translation and Transliteration -- Yokohama National University at NTCIR-5 CLQA1 -- [Poster]: Tatsunori Mori and Masami Kawagishi
Japanese-to-English and English-to-Japanese Cross-Language Question-Answering System Using Decreased Adding with Multiple Answers at NTCIR-5: Masaki Murata, Masao Utiyama and Hitoshi Isahara
Baseline Systems for NTCIR-5 CLQA1: An Experimentally Extended QBTE Approach: Yutaka Sasaki
Bi-directional Cross Language Question Answering using a Single Monolingual QA System: Kei Shimizu, Tomoyosi Akiba, Atsushi Fujii and Katunobu Itou
Chinese QA and CLQA: NTCIR-5 QA Experiments at UNT: Jiangping Chen, Rowena Li, Ping Yu, He Ge, Pok Chin, Fei Li and Cong Xuan
System Description of NTOUA Group in CLQA1: Chuan-Jie Lin, Yu-Chun Tzeng and Hsin-Hsi Chen
Chinese Question Answering using the DLT System at NTCIR 2005: Richard F. E. Sutcliffe, Jia Xu and Michael Mulcahy
LCC-DCU C-C Question Answering Task at NTCIR-5: Bin Wang and Gareth J. F. Jones
Improving Answer Ranking Using Cohesion between Answer and Keywords: Shu-Jung Lin, Min-Shiang Shia, Kao-Hung Lin, Jiun-Hung Lin, Scott Yu and Wen-Hsiang Lu; (*) This paper was not included in the printed version of this proceedings due to delay in the submission.

Patent Retrieval Task (PATENT) (Return to Top)

Overview of Patent Retrieval Task at NTCIR-5 [Slides]: Atsushi Fujii, Makoto Iwayama and Noriko Kando
Overview of Classification Subtask at NTCIR-5 Patent Retrieval Task: Makoto Iwayama, Atsushi Fujii and Noriko Kando
A Patent Retrieval Method Using a Hierarchy of Clusters at TUT: Hironori Doi, Yohei Seki and Masaki Aono
Document Structure Analysis for the NTCIR-5 Patent Retrieval Task [Poster]: Atsushi Fujii and Tetsuya Ishikawa
NTCIR-5 Patent Retrieval Experiments at RICOH: Hideo Itoh
POSTECH at NTCIR-5 Patent Retrieval: Smoothing Experiments in a Language Modeling Approach to Patent Retrieval: In-Su Kang, Seung-Hoon Na, Jun-Ki Kim and Jong-Hyeok Lee
Patent Document Retrieval and Classification at KAIST [Slides] [Poster]: Jae-Ho Kim, Jin-Xia Huang, Ha-Yong Jung and Key-Sun Choi
Query Terms Extraction from Patent Document for Invalidity Search: Kazuya Konishi
NTCIR-5 Patent Retrieval Experiments at Hitachi: Hisao Mase, Tadataka Matsubayashi, Yuichi Ogawa, Takaaki Yayoi, Yusuke Sato and Makoto Iwayama
Using the K Nearest Neighbor Method and BM25 in the Patent Document Categorization Subtask at NTCIR-5: Masaki Murata, Toshiyuki Kanamaru, Tamotsu Shirado and Hitoshi Isahara
Experiments on Patent Retrieval at NTCIR-5 Workshop: Hironori Takeuchi, Naohiko Uramoto and Koichi Takeda
A Distributed Retrieval System for NTCIR-5 Patent Retrieval Task: Hiroki Tanioka and Kenichi Yamamoto
Justsystem at NTCIR-5 Patent Classification: Tetsuya Tashiro, Masaki Rikitoku and Takashi Nakagawa
Automatic Categorization of Japanese Patents based on Surrogate Texts: Yuen-Hsien Tseng, Da-Wei Juang and Chi-Jen Lin
Evaluation of the Document Categorization in "Fixed-point Observatory": Yoshihiro Ueda, Mamiko Oka, Katsunori Houchi and Akio Yamashita

Question Answering Chanllenge (QAC) (Return to Top)

An Overview of NTCIR-5 QAC3 [Slides]: Tsuneaki Kato, Jun'ichi Fukumoto and Fumito Masui
Synthesis of Multiple Answer Evaluation Measures using a Machine Learning Technique for a QA System: Yasuharu Matsuda and Takashi Yukawa
Japanese Question-Answering System Using Decreased Adding with Multiple Answers at NTCIR 5: Masaki Murata, Masao Utiyama and Hitoshi Isahara
Answering Contextual Questions Based on the Cohesion with the Knowledge -- Yokohama National University at NTCIR-5 QAC3 -- [Slides]: Tatsunori Mori and Shinpei Kawaguchi
Question Answering Experiments at NTCIR-5: Acquisition of Answer Evaluation Patterns and Context Processing using Passage Retrieval: Yuichi Murata, Tomoyosi Akiba, Atsushi Fujii and Katunobu Itou
Three Systems and One Verifier -- HOKUM's Participation in QAC3 of NTCIR-5: Yasutomo Kimura, Kenji Ishida, Hirotaka Imaoka, Fumito Masui, Marcin Skowron, Rafal Rzepka and Kenji Araki
Question Answering System with Fine Grain Answer Types and Search Refinement [Poster]: David Ramamonjisoa
Answering Questions of IAD Task using Reference Resolution of Follow-up Questions: Megumi Matsuda and Jun'ichi Fukumoto

WEB Task (Return to Top)

Overview of the NTCIR-5 WEB Navigational Retrieval Subtask 2 (Navi-2) [Slides]: Keizo Oyama, Masao Takaku, Haruko Ishikawa, Akiko Aizawa and Hayato Yamana
Overview of the NTCIR-5 WEB Query Term Expansion Subtask [Slides]: Masaharu Yoshioka
Exploiting Anchor Text for the Navigational Web Retrieval at NTCIR-5 [Slides] [Poster]: Atsushi Fujii, Katunobu Itou, Tomoyosi Akiba and Tetsuya Ishikawa
Verification of Effective Retrieval Method for Anchor Text on Navigational Retrieval: Kenji Tateishi, Hideki Kawai, Dai Kusui and Toshikazu Fukushima
NTCIR-5 WEB Navi-2 Experiments at Osaka Kyoiku University -- Page, Anchor and Title Indexing, and In-link Count, Inter Page and Inter Site Link Analyses --: Takashi Sato and Hitoshi Nakakubo
A Distributed Retrieval System for NTCIR-5 WEB Task: Hiroki Tanioka, Kenichi Yamamoto and Takashi Nakagawa
OASIS at NTCIR-5: Web Navigation Retrieval Subtask [Poster]: Vitaly Klyuev
Search Result Clustering Method at NTCIR-5 Web Query Expansion Subtask: Hiroyuki Toda and Ryoji Kataoka
Improving Web Search by Query Expansion with a Small Number of Terms: Tomonari Masada, Teruhito Kanazawa, Atsuhiro Takasu and Jun Adachi
NTCIR-5 Query Expansion Experiments using Term Dependence Models: Koji Eguchi

Open Submission Papers (Return to Top)

Preface for Open Submission Session: Hsin-Hsi Chen and Takashi Koga
The Effect of Topic Sampling on Sensitivity Comparisons of Information Retrieval Metrics: Tetsuya Sakai; (*) Addendum by the author. [added on 2006-02-06]
Construction of an Evaluation Corpus for Opinion Extraction: Lun-Wei Ku, Tung-Ho Wu, Li-Ying Lee and Hsin-Hsi Chen
Multi-Document Summarization Reflecting Information Needs on Subjectivity: Yohei Seki, Koji Eguchi, Noriko Kando and Masaki Aono
A Two-Stage Incremental Annotation Approach to Constructing a Network Informal Language Corpus [Slides]: Yunqing Xia, Kam-Fai Wong and Robert Luk
The Relationship between Answer Ranking and User Satisfaction in a Question Answering System: Tomoharu Kokubu, Tetsuya Sakai, Yoshimi Saito, Hideki Tsutsui, Toshihiko Manabe, Makoto Koyama and Hiroko Fujii
An Analysis of Question Processing of English and Chinese for the NTCIR 5 Cross-Language Question Answering Task: John Judge, Yuqing Guo, Gareth J. F. Jones and Bin Wang
A Unified Approach to Japanese and English Question Answering: Edward Whittaker, Julien Hamonic and Sadaoki Furui
Chinese Information Retrieval Based on Related Term Group (*): Tingting He, Guozhong Qu, Xinhui Tu and Donghong Ji; => CLIR-6
MuST: Workshop on MUltimodal Summarization for Trend Information [Slides]: Tsuneaki Kato, Mitsunori Matsushita and Noriko Kando

(*) This paper was submitted to the Open Submission session, but the program committee decided this paper to be presented in a poster along with other CLIR task system papers. The contents of the paper appear at the CLIR section in the proceedings