Information Retrieval Technology: Asia Information Retrieval Symposium, AIRS 2004, Beijing, China, October 18-20, 2004. Revised Selected Papers

The Asia Information Retrieval Symposium (AIRS) was established by the Asian information retrieval community after the successful series of Information - trieval with Asian Languages (IRAL) workshops held in six different locations in Asia, starting from 1996. While the IRAL workshops had their focus on inf- mation retrieval problems involving Asian languages, AIRS covers a wider scope of applications, systems, technologies and theory aspects of information retrieval in text, audio, image, ...