111 citations · 189 across the 19 of their papers we have counts for
20 papers
Effects of Language Modeling on Speech-driven Question Answering
Tomoyosi Akiba, Atsushi Fujii, Katunobu Itou
We integrate automatic speech recognition (ASR) and question answering (QA) to realize a speech-driven QA system, and evaluate its performance. We adapt an N-gram language model to…
Unsupervised Topic Adaptation for Lecture Speech Retrieval
Atsushi Fujii, Katunobu Itou, Tomoyosi Akiba +1
We are developing a cross-media information retrieval system, in which users can view specific segments of lecture videos by submitting text queries. To produce a text index, the a…
Summarizing Encyclopedic Term Descriptions on the Web
Atsushi Fujii, Tetsuya Ishikawa
We are developing an automatic method to compile an encyclopedic corpus from the Web. In our previous work, paragraph-style descriptions for a term are extracted from Web pages and…
Test Collections for Patent-to-Patent Retrieval and Patent Map Generation in NTCIR-4 Workshop
Atsushi Fujii, Makoto Iwayama, Noriko Kando
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 pa…
A Cross-media Retrieval System for Lecture Videos
Atsushi Fujii, Katunobu Itou, Tomoyosi Akiba +1
We propose a cross-media lecture-on-demand system, in which users can selectively view specific segments of lecture videos by submitting text queries. Users can easily formulate qu…
Building a Test Collection for Speech-Driven Web Retrieval
Atsushi Fujii, Katunobu Itou
This paper describes a test collection (benchmark data) for retrieval systems driven by spoken queries. This collection was produced in the subtask of the NTCIR-3 Web retrieval tas…