Proceedings of the 6th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-6, National Center of Sciences, Tokyo, Japan, May 15-18, 2007

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Proceedings of the 6th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-6, National Center of Sciences, Tokyo, Japan, May 15-18, 2007

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A Method of Cross-Lingual Question-Answering Based on Machine Translation and Noun Phrase Translation using Web documents - Yokohama National University at NTCIR-6 CLQA
Tatsunori Mori | Kousuke Takahashi

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A Monolithic Approach and a Type-by-Type Approach for Non-Factoid Question-answering - Yokohama National University at NTCIR-6 QAC
Tatsunori Mori | Mitsuru Sato | Madoka Ishioroshi | Yugo Nishikawa | Shigenori Nakano | Kei Kimura

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A Passage Retrieval System using Query Expansion and Emphasis
Hiroki Tanioka | Kenichi Yamamoto

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A System for Answering Non-Factoid Japanese Questions by Using Passage Retrieval Weighted Based on Type of Answer
Masaki Murata | Sachiyo Tsukawaki | Toshiyuki Kanamaru | Qing Ma | Hitoshi Isahara

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A low-resources approach to Opinion Analysis: Machine Learning and Simple Approaches
David Kirk Evans

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AINLP at NTCIR-6: Evaluations for Multilingual and Cross-Lingual Information Retrieval
Chen-Hsin Cheng | Reuy-Jye Shue | Hung-Lin Lee | Shu-Yu Hsieh | Guann-Cyun Yeh | Guo-Wei Bian

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An Overview of the 4th Question Answering Challenge (QAC-4) at NTCIR Workshop 6
Jun-ichi Fukumoto | Tsuneaki Kato | Fumito Masui | Tatsunori Mori

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Applying Multiple Characteristics and Techniques in the NICT Information Retrieval System at NTCIR-6
Masaki Murata | Jong-Hoon Oh | Qing Ma | Hitoshi Isahara

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Appraisal Extraction for News Opinion Analysis at NTCIR-6
Kenneth Bloom | Sterling Stuart Stein | Shlomo Argamon

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CLEF: Ongoing Activities and Plans for the Future
Maristella Agosti | Giorgio Maria Di Nunzio | Nicola Ferro | Carol Peters

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Chinese Information Retrieval Based on Document Expansion
Tingting He | Li Li | Guozhong Qu | Yong Zhang

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Chinese-Chinese and English-Chinese Question Answering with ASQA at NTCIR-6 CLQA
Cheng-Wei Lee | Min-Yuh Day | Cheng-Lung Sung | Yi-Hsun Lee | Mike Tian-Jian Jiang | Chia-Wei Wu | Cheng-Wei Shih | Yu-Ren Chen | Wen-Lian Hsu

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Cornell System Description for the NTCIR-6 Opinion Task
Eric Breck | Yejin Choi | Veselin Stoyanov | Claire Cardie

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Crosslingual Opinion Extraction from Author and Authority Viewpoints at NTCIR-6
Yohei Seki

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Expansion of Multimodal Summarization for Trend Information – Report on the first and second cycles of the MuST Workshop –
Tsuneaki Kato | Mitsunori Matsushita | Noriko Kando

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Experiments of Opinion Analysis on the Corpora MPQA and NTCIR-6
Yaoyong Li | Kalina Bontcheva | Hamish Cunningham

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Extracting and Ranking Question-Focused Terms Using the Titles of Wikipedia Articles
Yi-Che Chan | Kuan-Hsi Chen | Wen-Hsiang Lu

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Extraction and Visualization of Trend Information from Newspaper Articles and Blogs
Hidetsugu Nanba | Nao Okuda | Manabu Okumura

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Extraction of Statistical Terms and Co-occurrence Networks from Newspapers
Haruka Saito | Hideki Kawai | Masaaki Tsuchida | Hironori Mizuguchi | Dai Kusui

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Extraction of important numerical pairs from text documents and visualization of them
Masaki Murata | Koji Ichii | Qing Ma | Tamotsu Shirado | Toshiyuki Kanamaru | Sachiyo Tsukawaki | Hitoshi Isahara

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F-term Classification System Using K-Nearest Neighbor Method
Kazuya Konishi | Toru Takaki

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F-term classification Experiments at NTCIR-6 for Justsytems
Masaki Rikitoku

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Heuristic and Syntactic Scoring for Cross-language Question Answering
Lisa Ballesteros | Xiaoyan Li

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How We Did How, What and Why - HOMIO's Participation in QAC4 of NTCIR-6
Yasutomo Kimura | Kenji Ishida | Hirotaka Imaoka | Fumito Masui | Keisuke Kameyama | Rafal Rzepka | Kenji Araki

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IASL System for NTCIR-6 Korean-Chinese Cross-Language Information Retrieval
Yu-Chun Wang | Cheng-Wei Lee | Richard Tzong-Han Tsai | Wen-Lian Hsu

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ICT-DCU Question Answering Task at NTCIR6
Sen Zhang | Bin Wang | Gareth J. F. Jones

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ISCAS in CLIR at NTCIR-6: Experiments with MT and PRF
Ruihong Huang | Le Sun | Jing Li | Long-xi Pan | Junlin Zhang

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ISCAS in Opinion Analysis Pilot Task: Experiments with sentimental dictionary based classifier and CRF model
Ruihong Huang | Le Sun | Long-xi Pan

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Improving translation accuracy in web-based translation extraction
Chengye Lu | Yue Xu | Shlomo Geva

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Information Retrieval Using Label Propagation Based Ranking
Lingpeng Yang | Donghong Ji | Yu Nie

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Integrating Content and Citation Information for the NTCIR-6 Patent Retrieval Task
Atsushi Fujii

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Invalidity Search for USPTO Patent Documents Using Different Patent Surrogates
Yuen-Hsien Tseng | Chen-Yang Tsai | Da-Wei Juang

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JAVELIN III: Answering Non-Factoid Questions in Japanese
Hideki Shima | Teruko Mitamura

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JAVELIN III: Cross-Lingual Question Answering from Japanese and Chinese Documents
Teruko Mitamura | Frank Lin | Hideki Shima | Mengqiu Wang | Jeongwoo Ko | Justin Betteridge | Matthew W. Bilotti | Andrew Hazen Schlaikjer | Eric Nyberg

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Japanese Opinion Extraction System for Japanese Newspapers Using Machine -Learning Method
Toshiyuki Kanamaru | Masaki Murata | Hitoshi Isahara

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JustSystems in Japanese monolingual information retrieval at NTCIR-6
Tetsuya Tashiro

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Leveraging Category-based LSI for Patent Retrieval
Masaki Aono

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Monolingual Experiments with Far-East Languages in NTCIR-6
Samir Abdou | Jacques Savoy

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Multi-label Patent Classification at NTT Communication Science Laboratories
Akinori Fujino | Hideki Isozaki

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NCU in Bilingual Information Retrieval Experiments at NTCIR-6
Yu-Chieh Wu | Kun-Chang Tsai | Jie-Chi Yang

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NTCIR-6 CLIR Experiments at Osaka Kyoiku University - Term Expansion Using Online Dictionaries and Weighting Score by Term Variety
Takashi Sato

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NTCIR-6 CLIR-J-J Experiments at Yahoo! Japan
Sumio Fujita

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NTCIR-6 CLQA Question Answering Experiments at the Tokyo Institute of Technology
Josef R. Novak | Edward W. D. Whittaker | Matthias H. Heie | Shuichiro Imai | Sadaoki Furui

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NTCIR-6 Experiments using Pattern Matched Translation Extraction
Dong Zhou | Mark Truran | Tim J. Brailsford | Helen Ashman

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NTCIR-6 Monolingual Chinese and English-Chinese Cross-Lingual Question Answering Experiments using PIRCS
Kui-Lam Kwok | Peter Deng | Norbert Dinstl

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NTCIR-6 Monolingual Chinese and English-Chinese Cross Language Retrieval Experiments using PIRCS
Kui-Lam Kwok | Norbert Dinstl

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NTCIR-6 Patent Retrieval Experiments at Hitachi
Hisao Mase | Makoto Iwayama

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NTCIR-6 Preface
Noriko Kando

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NTCIR-6 at Maryland: Chinese Opinion Analysis Pilot Task
Yejun Wu | Douglas W. Oard

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NTT's Question Answering System for NTCIR-6 QAC-4
Ryuichiro Higashinaka | Hideki Isozaki

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Non-factoid Question Answering Experiments at NTCIR-6: Towards Answer Type Detection for Realworld Questions
Junta Mizuno | Tomoyosi Akiba | Atsushi Fujii | Katunobu Itou

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OASIS at NTCIR-6: On-line Query Translation for Chinese-Japanese Cross-Lingual Information Retrieval
Vitaly Klyuev

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On the Robustness of Document Re-Ranking Techniques: A Comparison of Label Propagation, KNN, and Relevance Feedback
Yuen-Hsien Tseng | Chen-Yang Tsai | Ze-Jing Chuang

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Opinion Analysis based on Lexical Clues and their Expansion
Youngho Kim | Sung-Hyon Myaeng

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Opinmine - Opinion Analysis System by CUHK for NTCIR-6 Pilot Task
Ruifeng Xu | Kam-Fai Wong | Yunqing Xia

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

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Overview of Classification Subtask at NTCIR-6 Patent Retrieval Task
Makoto Iwayama | Atsushi Fujii | Noriko Kando

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Overview of Opinion Analysis Pilot Task at NTCIR-6
Yohei Seki | David Kirk Evans | Lun-Wei Ku | Hsin-Hsi Chen | Noriko Kando | Chin-Yew Lin

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Overview of the NTCIR-6 Cross-Lingual Question Answering (CLQA) Task
Yutaka Sasaki | Chuan-Jie Lin | Kuang-hua Chen | Hsin-Hsi Chen

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Overview of the Patent Retrieval Task at the NTCIR-6 Workshop
Atsushi Fujii | Makoto Iwayama | Noriko Kando

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Overview of the Sixth NTCIR Workshop
Noriko Kando

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POSTECH at NTCIR-6 English Patent Retrieval Subtask
Jungi Kim | Yeha Lee | Seung-Hoon Na | Jong-Hyeok Lee

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POSTECH at NTCIR-6: Combining Evidences of Multiple Term Extractions for Mono-lingual and Cross-lingual Retrieval in Korean and Japanese
Seung-Hoon Na | Jungi Kim | Yeha Lee | Jong-Hyeok Lee

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QA System Metis Based on Semantic Graph Matching at NTCIR 6
Minoru Harada | Yuhei Kato | Kazuaki Takehara | Masatsuna Kawamata | Kazunori Sugimura | Junichi Kawaguchi

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Query Expansion using an Automatically Constructed Thesaurus
Hidetsugu Nanba

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Question Answering System for Non-factoid Type Questions and Automatic Evaluation based on BE Method
Jun-ichi Fukumoto

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SVM Based Learning System for F-term Patent Classification
Yaoyong Li | Kalina Bontcheva | Hamish Cunningham

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Sampling Precision to Depth 9000: Evaluation Experiments at NTCIR-6
Stephen Tomlinson

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Search Between Chinese and Japanese Text Collections
Fredric C. Gey

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Statistical Machine Translation based Passage Retrieval for Cross-Lingual Question Answering — Experiments at NTCIR-6
Tomoyosi Akiba | Kei Shimizu | Atsushi Fujii | Katunobu Itou

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Term Weighting Classification System Using the Chi-square Statistic for the Classification Subtask at NTCIR-6 Patent Retrieval Task
Kotaro Hashimoto | Takashi Yukawa

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Test collections for all
Mark Sanderson

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Three-Phase Opinion Analysis System at NTCIR-6
Hironori Mizuguchi | Masaaki Tsuchida | Dai Kusui

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Toshiba BRIDJE at NTCIR-6 CLIR: The Head/Lead Method and Graded Relevance Feedback
Tetsuya Sakai | Makoto Koyama | Tatsuya Izuha | Akira Kumano | Toshihiko Manabe | Tomoharu Kokubu

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Two-Pass Named Entity Classification for Cross Language Question Answering
Yu-Chieh Wu | Kun-Chang Tsai | Jie-Chi Yang

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Using Opinion Scores of Words for Sentence-Level Opinion Extraction
Lun-Wei Ku | Yong-Sheng Lo | Hsin-Hsi Chen

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Using Unigram and Bigram Language Models for Monolingual and Cross-Language IR
Lixin Shi | Jian-Yun Nie

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Using Wikipedia to Translate OOV Term on MLIR
Chen-Yu Su | Tien-Chien Lin | Shih-Hung Wu

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Using the K-Nearest Neighbor Method and SMART Weighting in the Patent Document Categorization Subtask at NTCIR-6
Masaki Murata | Toshiyuki Kanamaru | Tamotsu Shirado | Hitoshi Isahara

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Utilizing Entity Relation to Bridge the Language Gap in Cross-Lingual Question Answering System
Min Wu | Tomek Strzalkowski

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Visualization of Earthquake Trend Information from MuST Corpus
Yasufumi Takama

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What's New at TREC: Blog and Legal Discovery Search at TREC-2006
Ian Soboroff

Proceedings of the 1st International Workshop on Evaluating Information Access, EVIA 2007, National Center of Sciences, Tokyo, Japan, May 15, 2008

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Proceedings of the 1st International Workshop on Evaluating Information Access, EVIA 2007, National Center of Sciences, Tokyo, Japan, May 15, 2008

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A Comparison of Pooled and Sampled Relevance Judgments in the TREC 2006 Terabyte Track
Ian Soboroff

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A Proposal to Extend and Enrich the Scientific Data Curation of Evaluation Campaigns
Maristella Agosti | Giorgio Maria Di Nunzio | Nicola Ferro

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An Application of the NTCIR-WEB Raw-data Archive Dataset for User Experiments
Masao Takaku | Yuka Egusa | Hitomi Saito | Hitoshi Terai

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Challenges to Evaluation of Multilingual Geographic Information Retrieval in GeoCLEF
Fredric C. Gey | Ray R. Larson | Mark Sanderson | Kerstin Bischoff | Thomas Mandl | Christa Womser-Hacker | Diana Santos | Paulo Rocha | Andrés Montoyo | Giorgio Maria Di Nunzio | Nicola Ferro

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Evaluation of Web Search Engines with Thai Queries
Virach Sornlertlamvanich | Shisanu Tongchim | Hitoshi Isahara

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Initiative for Indian Language IR Evaluation
Prasenjit Majumder | Mandar Mitra | Swapan K. Parui | Pushpak Bhattacharyya

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Introduction of the HTRDP Chinese IR Evaluation Task
Le Sun | Junlin Zhang

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New Evaluation Measures for F-term Patent Classification
Yaoyong Li | Hamish Cunningham

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On Penalising Late Arrival of Relevant Documents in Information Retrieval Evaluation with Graded Relevance
Tetsuya Sakai

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User Satisfaction Task: A Proposal for NTCIR-7
Tetsuya Sakai

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Vietnamese Text Retrieval: Test Collection and First Experimentations
Bao-Quoc Ho

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WiQA: Evaluating Multi-lingual Focused Access to Wikipedia
Valentin Jijkoun | Maarten de Rijke