2. Content Host Welcome Messages Committee Program at Glance Program Index Copyright

3. Proceedings of PNC 2004 Annual Conference in conjunction with PRDLA October 18-21, 2004 Copyright©2004 by Academia Sinica Computing Centre, Taipei, Taiwan, R.O.C. All rights reserved. Except as permitted under the prior written permission of the publisher, no part of this publication may be reproduced or transmitted in any form, or stored in a retrieval system. Published by Academia Sinica Computing Centre (ASCC), Taipei, Taiwan, R.O.C. Editor: Emma Liao / Pei-Hua Huang CD Producer: Yao-Kwan Tsai Cover Designer: Rebecca Chuang Copies may be ordered from Pacific Neighborhood Consortium No. 128, Sec. 2, Academy Rd., NanKang 11529, Taipei, Taiwan, R.O.C. Tel: +886-2-2789-9380Fax: +886-2-2783-6444

4. Organizing Committee Chen, Kim-Joan Ministry of Education, Taiwan Chen, Wen-sung National Kaohsiung First University of Science and Technology, Taiwan Chitradon, Royol National Electronics and Computer Technology Center, Thailand Chou, Chang-hung National Pingtung University of Science and Technology, Taiwan Hara, ShoichironNational Institute of Japanese Literature, Japan Hardyck, Curtis University of California, Berkeley, USA Ho, Jan-ming National Science Council, Taiwan Hsieh, Ching-chun Academia Sinica, Taiwan Juang, Fang-rung National Central Library, Taiwan Lancaster, Lew University of California, Berkeley, USA Lehman, John University of Alaska, Fairbanks, USA Lin, Feng-tyan National Taiwan University, Taiwan Lin, Fu-Shih Academia Sinica, Taiwan Lin, Simon Academia Sinica, Taiwan Liu, Ching-yi National Central University, Taiwan Liu, Paul C. B. National Chengchi University, Taiwan Peng, Ching-I Academia Sinica, Taiwan Pisani, Assunta Stanford University, USA Shao, Kwang-taso Academia Sinica, Taiwan Shibayama, Mamoru Kyoto University, Japan Shin, Shou-Chien National Palace Museum, Taiwan Srichaikul, Piyawut National Electronics and Computer Technology Center, Thailand Tzeng, Ovid Academia Sinica, Taiwan