Contents
Preface [paper]
Noriko Kando
Overview of the Fourth NTCIR Workshop [paper] [talk]
Noriko Kando
Cross Lingual Information Retrieval Task (CLIR)
Overview of CLIR Task at the Fourth NTCIR Workshop [paper-revised version] [erratum]
Kazuaki Kishida, Kuang-hua Chen, Sukhoon Lee, Kazuko Kuriyama, Noriko Kando, Hsin-Hsi Chen, Sung Hyon Myaeng and Koji Eguchi
RMIT Chinese-English CLIR at NTCIR-4 [paper]
Ying Zhang and Phil Vines
Toshiba BRIDJE at NTCIR-4 CLIR: Monolingual/Bilingual IR and Flexible Feedback [paper]
Tetsuya Sakai, Makoto Koyama, Akira Kumano and Toshihiko Manabe
Global and Local Term Expansion for Text Retrieval [paper]
Yuen-Hsien Tseng, Da-Wei Juang and Shiu-Han Chen
University of Chicago at NTCIR4 CLIR: Multi-scale Query Expansion [paper]
Gina-Anne Levow
Richo in the NTCIR-4 CLIR Tasks [paper]
Yuichi Kojima and Hideo Itoh
POSTECH at NTCIR-4: CJKE Monolingual and Korean-related Cross-Language Retrieval Experiments [paper] [talk]
In-Su Kang, Seung-Hoon Na and Jong-Hyeok Lee
NTCIR-4 CLIR Experiments at Oki [paper]
Tetsuji Nakagawa and Mihoko Kitamura
KUNLP System for NTCIR-4 Korean-English Cross-Language Information Retrieval [paper]
Hee-Cheol Seo, Sang-Bum Kim, Ho-Gun Lim and Hae-Chang Rim
Applying Language Model into IR Task [paper]
Zhang Junlin, Sun Le, Zhang Yongchen and Sun Yutang
Justsystem-Clairvoyance CLIR Experiments at NTCIR-4 Workshop [paper] [talk & poster]
Yan Qu, Gregory Grefenstette, David A. Hull, David A. Evans, Toshiya Ueda, Tatsuo Kato, Daisuke Noda, Motoko Ishikawa, Setsuko Nara and Kousaku Arita
CLIR using Web Directory at NTCIR4 [paper]
Fuminori Kimura, Akira Maeda and Shunsuke Uemura
Experiments with Decompounded Chinese, Japanese and Korean Words Parsed by Hummingbird SearchServerTM at NTCIR-4 [paper]
Stephen Tomlinson
Chinese Information Retrieval Based on Terms and Ontology [paper]
Yang Lingpeng, Ji Donghong and Tang Li
Merging Multilingual Information Retrieval Results Based on Prediction of Retrieval Effectiveness [paper]
Wen-Cheng Lin and Hsin-Hsi Chen
Revisiting the Document Length Hypotheses: NTCIR-4 CLIR and Patent Experiments at Patolis [paper]
Sumio Fujita
Thomson Legal and Regulatory at NTCIR-4: Monolingual and Pivot-language Retrieval Experiments [paper] [talk]
Isabelle Moulinier
Integration of PLSA into Probabilistic CLIR Model: Yokohama National University at NTCIR4 CLIR [paper]
Tetsu Muramatsu and Tatsunori Mori
Applying Multiple Characteristics and Techniques to Obtain High Levels of Performance in Information Retrieval at NTCIR-4 [paper]
Masaki Murata, Qing Ma and Hitoshi Isahara
Report on CLIR Task for the NTCIR-4 Evaluation Campaign [paper] [talk]
Jacques Savoy
NTCIR-4 Chinese, English, Korean Cross Language Retrieval Experiments Using PIRCS [paper]
K. L. Kwok, N. Dinstl and S. Choi
Cross-Language IR at University of Tsukuba: Automatic Transliteration for Japanese, English, and Korean [paper] [talk] [poster]
Atsushi Fujii and Tetsuya Ishikawa
Experiments on Chinese-English Cross-language Retrieval at NTCIR-4 [paper]
Yilu Zhou, Jialun Qin, Michael Chau and Hsinchun Chen
Pseudo-Relevance Feedback and Title Re-ranking for Chinese Information Retrieval [paper]
Robert W. P. Luk and K.F. Wong
Chinese and Korean Topic Search of Japanese News Collections [paper]
Fredric C. Gey
Prediction of Performance on Cross-lingual Information Retrieval by Regression Models [paper]
Kazuaki Kishida, Kazuko Kuriyama, Noriko Kando and Koji Eguchi
Patent Retrieval Task (PATENT)
Overview of Patent Retrieval Task at NTCIR-4 [paper] [talk]
Atsushi Fujii, Makoto Iwayama and Noriko Kando
Document Structure Analysis in Associative Patent Retrieval [paper] [poster]
Atsushi Fujii and Tetsuya Ishikawa
Revisiting the Document Length Hypotheses
- NTCIR-4 CLIR and Patent Experiments at Patolis [paper] [talk]
Sumio Fujita
NTCIR-4 Patent Retrieval Experiments at RICOH [paper]
Hideo Itoh
Invalidity Patent Search System of NTT DATA [paper]
Kazuya Konishi, Akira Kitauchi and Toru Takaki
Two-Stage Patent Retrieval Method Considering Claim Structure [paper]
Hisao Mase, Tadataka Matsubayashi, Yuichi Ogawa, Makoto Iwayama and Tadaaki Oshio
NTCIR-4 PATENT Experiments at Osaka Kyoiku University
- Gram-based Passage Index and Essential Words - [paper]
Takashi Sato and Nao Hatta
Can Claim Analysis Contribute toward Patent Map Generation? [paper]
Akihiro Shinmori, Manabu Okumura, Yuzo Marukawa and Makoto Iwayama
Experiments on Patent Retrieval at NTCIR-4 Workshop [paper]
Hironori Takeuchi, Naohiko Uramoto and Koichi Takeda
Patent Map Generation using Concept-based Vector Space Model [paper]
Hideyuki Uchida, Atsushi Mano and Takashi Yukawa
Question Answering Challenge 2 (QAC2)
Question Answering Challenge for Five ranked answers and List answers
- Overview of NTCIR4 QAC2 Subtask 1 and 2 - [paper]
Jun'ichi Fukumoto, Tsuneaki Kato and Fumito Masui
Question Answering Challenge for Information Access Dialogue
- Overview of NTCIR4 QAC2 Subtask 3 - [paper]
Tsuneaki Kato, Jun'ichi Fukumoto and Fumito Masui
Question Answering using “Common Sense” and Utility Maximization Principle [paper]
Tomoyosi Akiba, Katunobu Itou and Atsushi Fujii
Oki QA System for QAC-2 [paper]
Masachika Fuchigami, Hiroyuki Ohnuma and Atsushi Ikeno
Rits-QA: List answer detection and Context task with ellipses handling [paper]
Jun'ichi Fukumoto, Tatsuhiro Niwa, Makoto Itoigawa and Megumi Matsuda
MAIQA: Mie Univ. Participated System at NTCIR4 QAC2 [paper]
Naoya Hidaka, Fumito Masui and Keiko Tosaki
Question Answering System using Concept-based Vector Space Model [paper]
Isrami Ismail and Takashi Yukawa
NTT’s Question Answering System for NTCIR QAC2 [paper]
Hideki Isozaki
Question Answering System with a vector similarity scoring method [paper]
Takuya Kosugi, Hiroya Susuki, Hiroyuki Okamoto and Hiroaki Saito
GDQA: Graph Driven Question Answering System
- NTCIR-4 QAC2 Experiments - [paper]
Gakuto Kurata, Naoaki Okazaki and Mitsuru Ishizuka
Japanese Q/A System using A* Search and Its Improvement
- Yokohama National University at QAC2 - [paper]
Tatsunori Mori
Japanese Question-Answering System Using Decreased Adding with Multiple Answers [paper]
Masaki Murata, Masao Utiyama and Hitoshi Isahara
POSTECH Question-Answering Experiments at NTCIR-4 QAC [paper]
Seung-Hoon Na, In-Su Kang and Jong-Hyeok Lee
Question Answering System QUARK [paper]
Yasuo Nii, Keizo Kawata, Tatsumi Yoshida, Hiroyuki Sakai and Shigeru Masuyama
NTCIR-4 QAC Experiments at Matsushita [paper] [talk] [erratum]
Masako Nomoto, Yoshio Fukushige, Mitsuhiro Sato and Hiroyuki Suzuki
Finding Relevant Answers in Question Answering System Contest [paper]
David R. Ramamonjisoa
Toshiba ASKMi at NTCIR-4 QAC2 [paper]
Tetsuya Sakai, Yoshimi Saito, Yumi Ichimura, Makoto Koyama and Tomoharu Kokubu
NYU/CRL QA System for QAC-2 [paper]
Satoshi Sekine, Kiyoshi Sudo, Yusuke Shinyama, Chikashi Nobata, Kiyotaka Uchimoto and Hitoshi Isahara
NAIST QA System for QAC2 [paper]
Tetsuro Takahashi, Kozo Nawata, Kentaro Inui and Yuji Matsumoto
NTT DATA Question-Answering Experiment at the NTCIR-4 QAC2 [paper]
Toru Takaki
Text Summarization Challenge 3 (TSC3)
Text Summarization Challenge 3 - Text summarization evaluation at NTCIRWorkshop 4 - [paper]
Tsutomu Hirao, Manabu Okumura, Takahiro Fukushima and Hidetsugu Nanba
Multi-document summarization using document set type classification [paper]
Jun’ichi Fukumoto and Tomoya Sugimura
Multi-Document Summarization in Cross-Language Text [paper]
Jung-Min Lim, In-Su Kang and Jong-Hyeok Lee
Multi-Document Summarization Using a Question-Answering Engine - Yokohama National University at TSC3 - [paper]
Tatsunori Mori, Masanori Nozawa and Yoshiaki Asada
Comparison of feature usage at TSC-3 summarization tasks [paper]
Chikashi Nobata, Satoshi Sekine, Kiyotaka Uchimoto and Hitoshi Isahara
TISS: An Integrated Summarization System for TSC-3 [paper]
Naoaki Okazaki, Yutaka Matsuo and Mitsuru Ishizuka
A Multiple-Document Summarization System introducing User Interaction for reflecting User's Summarization need [paper]
Hiroyuki Sakai and Shigeru Masuyama
Query-based Multidocument Summarization for Information Retrieval [paper]
Toshihiko Sakurai and Akira Utsumi
User-focused Multi-document Summarization with Paragraph Clustering and Sentence-type Filtering [paper] [talk] [poster]
Yohei Seki, Koji Eguchi and Noriko Kando
Multiple News Articles Summarization based on Event Reference Information [paper] [poster]
Masaharu Yoshioka and Makoto Haraguchi