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Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-5, National Center of Sciences, Tokyo, Japan, December 6-9, 2005

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A Decade after TREC-4 - NTCIR-5 CLIR-J-J Experiments at Yahoo!Japan
Sumio Fujita

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A Distributed Retrieval System for NTCIR-5 WEB Task
Hiroki Tanioka | Kenichi Yamamoto | Takashi Nakagawa

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A Distributed Retrieval System for NTCIR-5 Patent Retrieval Task
Hiroki Tanioka | Kenichi Yamamoto

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A Method of Cross Language Question-Answering Based on Machine Translation and Transliteration - Yokohama National University at NTCIR-5 CLQA1
Tatsunori Mori | Masami Kawagishi

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A Patent Retrieval Method Using a Hierarchy of Clusters at TUT
Hironori Doi | Yohei Seki | Masaki Aono

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A Two-Stage Incremental Annotation Approach to Constructing a Network Informal Language Corpus
Yunqing Xia | Kam-Fai Wong | Robert W. P. Luk

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A Unified Approach to Japanese and English Question Answering
Edward W. D. Whittaker | Julien Hamonic | Sadaoki Furui

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ASQA: Academia Sinica Question Answering System for NTCIR-5 CLQA
Cheng-Wei Lee | Cheng-Wei Shih | Min-Yuh Day | Tzong-Han Tsai | Mike Tian-Jian Jiang | Chia-Wei Wu | Cheng-Lung Sung | Yu-Ren Chen | Shih-Hung Wu | Wen-Lian Hsu

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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 | Bin Wang

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An Overview of NTCIR-5 QAC3
Tsuneaki Kato | Jun-ichi Fukumoto | Fumito Masui

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Answering Contextual Questions Based on the Cohesion with the Knowledge - Yokohama National University at NTCIR-5 QAC3
Tatsunori Mori | Shinpei Kawaguchi

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Answering Questions of IAD Task using Reference Resolution of Follow-up Questions
Megumi Matsuda | Jun-ichi Fukumoto

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Applying Multiple Characteristics and Techniques in the NICT Information Retrieval System in NTCIR-5
Masaki Murata | Qing Ma | Hitoshi Isahara

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Automatic Categorization of Japanese Patents based on Surrogate Texts
Yuen-Hsien Tseng | Da-Wei Juang | Chi-Jen Lin

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Baseline Systems for NTCIR-5 CLQA1: An Experimentally Extended QBTE Approach
Yutaka Sasaki

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Bi-directional Cross Language Question Answering using a Single Monolingual QA System
Kei Shimizu | Tomoyosi Akiba | Atsushi Fujii | Katunobu Itou

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CJK Experiments with Hummingbird SearchServer^ at NTCIR-5
Stephen Tomlinson

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CMU JAVELIN System for NTCIR5 CLQA1
Frank Lin | Hideki Shima | Mengqiu Wang | Teruko Mitamura

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Chinese Information Retrieval Using Lemur: NTCIR-5 CIR Experiments at UNT
Jiangping Chen | Rowena Li | Fei Li

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Chinese Information Retrieval Based on Related Term Group
Tingting He | Guozhong Qu | Xinhui Tu | Donghong Ji

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Chinese QA and CLQA: NTCIR-5 QA Experiments at UNT
Jiangping Chen | Rowena Li | Ping Yu | He Ge | Pok Chin | Fei Li | Cong Xuan

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Chinese Question Answering using the DLT System at NTCIR 2005
Richard F. E. Sutcliffe | Jia Xu | Michael Mulcahy

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Comparison of Global Term Expansion Methods for Text Retrieval
Yuen-Hsien Tseng | Yu-Chin Tsai | Chi-Jen Lin

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Construction of an Evaluation Corpus for Opinion Extraction
Lun-Wei Ku | Tung-Ho Wu | Li-Ying Lee | Hsin-Hsi Chen

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Document Structure Analysis for the NTCIR-5 Patent Retrieval Task
Atsushi Fujii | Tetsuya Ishikawa

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Evaluation of the Document Categorization in "Fixed-point Observatory"
Yoshihiro Ueda | Mamiko Oka | Katsunori Houchi | Akio Yamashita

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Experiments on Patent Retrieval at NTCIR-5 Workshop
Hironori Takeuchi | Naohiko Uramoto | Koichi Takeda

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Exploiting Anchor Text for the Navigational Web Retrieval at NTCIR-5
Atsushi Fujii | Katunobu Itou | Tomoyosi Akiba | Tetsuya Ishikawa

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How Similar are Chinese and Japanese for Cross-Language Information Retrieval?
Fredric C. Gey

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I2R at NTCIR5
Lingpeng Yang | Donghong Ji

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ISCAS in English-Chinese CLIR at NTCIR-5
Jinming Min | Le Sun | Junlin Zhang

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Improving Answer Ranking Using Cohesion between Answer and Keywords
Shu-Jung Lin | Min-Shiang Shia | Kao-Hung Lin | Jiun-Hung Lin | Scott Yu | Wen-Hsiang Lu

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Improving Web Search by Query Expansion with a Small Number of Terms
Tomonari Masada | Teruhito Kanazawa | Atsuhiro Takasu | Jun Adachi

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Japanese Question-Answering System Using Decreased Adding with Multiple Answers at NTCIR 5
Masaki Murata | Masao Utiyama | Hitoshi Isahara

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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 | Hitoshi Isahara

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Justsystem at NTCIR-5 Patent Classification
Tetsuya Tashiro | Masaki Rikitoku | Takashi Nakagawa

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LCC-DCU C-C Question Answering Task at NTCIR-5
Bin Wang | Gareth J. F. Jones

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MIMOR @ NTCIR 5: A Fusion-based Approach to Japanese Information Retrieval
Nina Kummer | Christa Womser-Hacker | Noriko Kando

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MIRACLE Retrieval Experiments with East Asian Languages
Julio Villena-Román | José Miguel Goñi-Menoyo | José C. González-Cristóbal | José Luis Martínez-Fernández

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MuST: Workshop on MUltimodal Summarization for Trend Information
Tsuneaki Kato | Mitsunori Matsushita | Noriko Kando

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Multi-Document Summarization Reflecting Information Needs on Subjectivity
Yohei Seki | Koji Eguchi | Noriko Kando | Masaki Aono

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NTCIR-5 CLIR Experiments at QUT
David Lu | Shlomo Geva | Yue Xu | Yuefeng Li

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NTCIR-5 CLIR Experiments at Oki
Tetsuji Nakagawa

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NTCIR-5 Chinese, English, Korean Cross Language Retrieval Experiments using PIRCS
Kui-Lam Kwok | Sora Choi | Norbert Dinstl | Peter Deng

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NTCIR-5 English-Chinese Cross Language Question-Answering Experiments using PIRCS
Kui-Lam Kwok | Peter Deng | Norbert Dinstl | Sora Choi

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NTCIR-5 Patent Retrieval Experiments at RICOH
Hideo Itoh

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NTCIR-5 Patent Retrieval Experiments at Hitachi
Hisao Mase | Tadataka Matsubayashi | Yuichi Ogawa | Takaaki Yayoi | Yusuke Sato | Makoto Iwayama

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NTCIR-5 Query Expansion Experiments using Term Dependence Models
Koji Eguchi

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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 | Hitoshi Nakakubo

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NTT's Japanese-English Cross-Language Question Answering System
Hideki Isozaki | Katsuhito Sudoh | Hajime Tsukada

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OASIS at NTCIR-5: Web Navigation Retrieval Subtask
Vitaly Klyuev

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Overview of CLIR Task at the Fifth NTCIR Workshop
Kazuaki Kishida | Kuang-hua Chen | Sukhoon Lee | Kazuko Kuriyama | Noriko Kando | Hsin-Hsi Chen | Sung-Hyon Myaeng

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Overview of Classification Subtask at NTCIR-5 Patent Retrieval Task
Makoto Iwayama | Atsushi Fujii | Noriko Kando

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Overview of Patent Retrieval Task at NTCIR-5
Atsushi Fujii | Makoto Iwayama | Noriko Kando

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Overview of the Fifth NTCIR Workshop
Noriko Kando

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Overview of the NTCIR-5 WEB Navigational Retrieval Subtask 2 (Navi-2)
Keizo Oyama | Masao Takaku | Haruko Ishikawa | Akiko Aizawa | Hayato Yamana

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Overview of the NTCIR-5 Cross-Lingual Question Answering Task (CLQA1)
Yutaka Sasaki | Hsin-Hsi Chen | Kuang-hua Chen | Chuan-Jie Lin

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Overview of the NTCIR-5 WEB Query Term Expansion Subtask
Masaharu Yoshioka

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POSTECH at NTCIR-5 Patent Retrieval: Smoothing Experiments in a Language Modeling Approach to Patent Retrieval
In-Su Kang | Seung-Hoon Na | Jun-Ki Min | Jong-Hyeok Lee

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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 | Jong-Hyeok Lee

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Patent Document Retrieval and Classification at KAIST
Jae-Ho Kim | Jin-Xia Huang | Ha-Yong Jung | Key-Sun Choi

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Preface for Open Submission Session
Hsin-Hsi Chen | Takashi Koga

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Preface
Noriko Kando

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Query Terms Extraction from Patent Document for Invalidity Search
Kazuya Konishi

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Question Answering Experiments at NTCIR-5: Acquisition of Answer Evaluation Patterns and Context Processing using Passage Retrieval
Yuichi Murata | Tomoyosi Akiba | Atsushi Fujii | Katunobu Itou

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Question Answering System with Fine Grain Answer Types and Search Refinement
David Ramamonjisoa

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Report on CLIR Task for the NTCIR-5 Evaluation Campaign
Samir Abdou | Jacques Savoy

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Search Result Clustering Method at NTCIR-5 Web Query Expansion Subtask
Hiroyuki Toda | Ryoji Kataoka

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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 | Wen-Hsiang Lu

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Single Language Information Retrieval at NTCIR-5
Qing Ma | Koichi Nakao | Kousuke Enomoto | Masaki Murata

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Some Experiments with Blind Feedback and Re-ranking for Chinese Information Retrieval
Yun Xiao | Robert W. P. Luk | Kam-Fai Wong | Kui-Lam Kwok

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Synthesis of Multiple Answer Evaluation Measures using a Machine Learning Technique for a QA System
Yasuharu Matsuda | Takashi Yukawa

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System Description of NTOUA Group in CLQA1
Chuan-Jie Lin | Yu-Chun Tzeng | Hsin-Hsi Chen

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The Effect of Topic Sampling on Sensitivity Comparisons of Information Retrieval Metrics
Tetsuya Sakai

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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 | Hiroko Fujii

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The University of Amsterdam at NTCIR-5
Jaap Kamps | Michiel van der Bruggen | Maarten de Rijke

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Thomson Legal and Regulatory at NTCIR-5: Japanese and Korean Experiments
Isabelle Moulinier | Ken Williams

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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 | Kenji Araki

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Toshiba BRIDJE at NTCIR-5 CLIR: Evaluation using Geometric Means
Tetsuya Sakai | Toshihiko Manabe | Akira Kumano | Makoto Koyama | Tomoharu Kokubu

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Using the K Nearest Neighbor Method and BM25 in the Patent Document Categorization Subtask at NTCIR-5
Masaki Murata | Toshiyuki Kanamaru | Tamotsu Shirado | Hitoshi Isahara

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Using the Web for Translation Disambiguation: RMIT University at NTCIR-5 Chinese-English CLIR
Ying Zhang | Phil Vines

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Verification of Effective Retrieval Method for Anchor Text on Navigational Retrieval
Kenji Tateishi | Hideki Kawai | Dai Kusui | Toshikazu Fukushima