NetNews Usenet Archive 1992 #31

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Newsgroups: comp.databases Path: sparky!uunet!think.com!ames!kum.kaist.ac.kr!worak!usenet From: skseo@dbserver.kaist.ac.kr (Seo Sang-Koo) Subject: DASFAA'93 Advance Program Message-ID: <1992Dec19.025011.1389@worak.kaist.ac.kr> Sender: usenet@worak.kaist.ac.kr (Usenet) Organization: Korea Advanced Institute of Science and Technology X-Newsreader: TIN [version 1.1 PL8] Date: Sat, 19 Dec 92 02:50:11 GMT Lines: 1160 Followings are the Advance Program of DASFAA'93. -------------------------------------------------------- the 3rd International Symposium on Database Systems for Advanced Applications -------------------------------------------------------- CONTENTS INVITATION ORGANIZATION GENERAL INFORMATION PROGRAM SCHEDULE TECHNICAL PROGRAM REGISTRATION HOTEL ACCOMMODATION SYMPOSIUM VENUE SOCIAL PROGRAM TOUR INFORMATION ABOUT KOREA Dear Colleagues: It is my great pleasure to invite you to the third International Symposium on Database Systems for Advanced Applications(DASFAA'93). The last DASFAA'91 that took place in Tokyo, Japan in April 1991 featured 65 papers and over 300 participants from 16 countries. DASFAA is an international symposium which especially focus on advanced applications of database technologies and/or advanced DBMS technologies. Since the first DASFAA was held in Seoul, Korea in April 1989, it was decided to be held biennial. So far, response to DASFAA'93 have been tremendous: 52 high quality papers from 11 countries will be presented at the symposium. DASFAA aims at bringing together researchers, developers and advanced users from academia, business and industry to exchange information and explore new idea about advanced applications of databases and advanced database technologies. The city of Taejon where DASFAA'93 takes place will offer you as much excitement as the symposium itself, since EXPO'93 will be held from July near the symposium venue. You will experience more than the world-premere symposium in Database. I am extremely grateful to all the people who have been giving their kind help organize DASFAA'93: all the organization commitee members, all the program commitee members. I am sure that many of you were considerate enough to contribute to the success of this symposium in Taejon. Sukho Lee General Chairperson Honorary Chairperson Chan Mo Park (KISS, Korea) General Chairperson Sukho Lee (Seoul National University, Korea) Steering Commitee Chairperson Hideko Kunii (Ricoh, Japan) Steering Commitee Vice-Chairperson Sukho Lee (Seoul National University, Korea) Steering Commitee Songchun Moon (KAIST, Korea) Yoshifumi Masunaga (University of Library and Information Science, Japan) Myung-Joon Kim (ETRI, Korea) Rons SAcks-Davis (Royal Melbourne Institute of Technology, Australia) R. C. T. Lee (National Tsing-Hua University, ROC) Tok-Wang Ling (National University of Singapore, Singapore) Yahiko Kambayashi (Kyoto University, Japan) Program Committee Co-Chairpersons Songchun Moon (KAIST, Korea) Hideto Ikeda (Hiroshima University, Japan) Program Comittee Hae-Young Bae (Inha University, Korea) Doo-Kwon Baik (Korea University, Korea) G.G.Belford (University of Illinois at U-C, USA) Elisa Bertino (University. of Geneva, Italy) Chin-Chen Chang (National Chung Cheng University, ROC) Qiming Chen (UCLA, USA) Dong-Hoon Choi (Dongduck Women's University, Korea) Yoon Chul Choy (Yonsei University, Korea) A.K.Elmagarmid (Purdue Uviversity, USA) J.C.Freytag (DEC Munich, Germany) T.Haerder (University of Kaiserslautern, Germany) Ki-Joon Han (Kon-Kuk University, Korea) Bong Hee Hong (Pusan National University, Korea) Hajime Horiuchi (Hitachi Ltd, Japan) Tiko Kameda (Simon Fraser University, Canada) Kyoji Kawagoe (NEC, Japan) Masaru Kitsuregawa (Tokyo University, Japan) Yasusi Kiyoki (University of Tsukuba, Japan) H.F.Korth (Matsushita Information Technology Lab., USA) J.Y.Lee (Postech, Korea) Tok-Wang Ling (National University of Singapore, Singapore) Hongjun Lu (National University of Singaprore, Singapore) Wo-Shun Luk (Simon Fraser University, Canada) Vincent Lum (Chinese University of Hong Kong Hong Kong) Akifumi Makinouchi (Kyushu University, Japan) Shojiro Nishio (Osaka University, Japan) Jong-Tae Park (Kyungpook National University, Korea) Seog Park (Sogang University, Korea) Calton Pu (Columbia University, USA) Hans-J. Schek (ETH, Switzerland) Sang H.Son (University of Virginia, USA) K.Sugihara (University of Hawaii at Monoa, USA) Kenji Suzuki (NTT, Japan) Katsumi Tanaka (Kobe University, Japan) A.Min Tjoa (University of Vienna, Austria) M. Orlowska (University of Queensland, Autralia) Panels and Tutorial Chairperson Kyu-Young Whang (KAIST, Korea) Organization Co-Chairperson Yoon-Joon Lee (KAIST, Korea) Yoshifumi Masunaga (University of Library and Information Science, Japan) Treasurer Kyu Chul Lee (Chungnam National University, Korea) Publicity Sang Ho Lee (Sungsil University, Korea) Local Arrangements Myung Ho Kim (KAIST, Korea) Publication Kyung Chang Kim (Hongik University, Korea) Hae Chul Lim (Hongik University, Korea) Coordinators Seog Park (Sogang University, Korea) Hyun Chul Kang (Chungang University, Korea) For any further information, please contact to: DASFAA'93 Secretariat c/o Prof. Yoon-Joon Lee Dept. of Computer Science KAIST Kusong-dong, Yusong-Ku, Taejon, 305-701, Korea Tel: +82-42-869-3523 Fax: +82-42-869-3510 E-mail: yjlee@cs.kaist.ac.kr GENERAL INFORMATION DATE Tutorials April 6 (Tue.), 1993 Symposium April 7 (Wed.) - 8 (Thr.), 1992 VENUE Reviera Hotel, Taejon, Korea LANGUAGE English is the official language of the Symposium. HOST Korea Information Science Society Infomation Processing Society of Japan IN COOPERATIONS WITH IEEE Computer Society ACM Special Interest Group on Management of Data SPONSORS (tentative) Korea Sience and Engineering Foundation Chung Ho Computer Co. Daou Tech. Inc. Goldstar Software, Ltd. IBM Korea, Oralce Systems Korea Samsung Advanced Instiute of Technology. SECRETARIAT DASFAA'93 Secretatriat c/o Prof. Yoon-Joon Lee 373-1, Kusong-dong, Yusong-Ku, Taejon, 305-701, Korea Tel: +82-42-869-3523 Fax: +82-42-869-3510 E-mail: yjlee@cs.kaist.ac.kr SCHEDULE ----------------------------------------------------------------------- |\ Date| | | | | ------ | 6th April | 7th April | 8th April | |Time \| | | | |--------|----------------|---------------------|---------------------| | | | A | B | C | A | B | C | | 9:00|----------------|---------------------|---------------------| | | | Opening Session | | | | | | Registration |---------------------| | | | | | | | S9 | S10 | S11 | | 10:00|----------------| Keynote Address | | | | | | | | | | | | 10:30| |---------------------|---------------------| | | | Break | Break | | 11:00| |---------------------|---------------------| | | Tutorial 1 | | | | | | | | & | | | | | | | | Tutorial 3 | S1 | S2 | S12 | S13 | S14 | | | | | | | | | | | | | | | | | | 12:30| |---------------------|---------------------| | | | | | | 13:00|----------------| Lunch | Lunch | | | | | | | | Lunch | | | | 14:00| |---------------------|---------------------| | | | | | | | | | | 14:30|----------------| | | | | | | | | | S3 | S4 | S5 | S15 | S16 | S17 | | | | | | | | | | | | | | | | | | | | 15:30| |---------------------|---------------------| | | Tutorial 2 | Break | Break | | 16:00| & |---------------------|---------------------| | | Tutorial 4 | | | | | | | | | | | | | | | S6 | S7 | S8 | Pannel | | | | | | | | | | | | | | | | 17:30|----------------|---------------------|---------------------| | | | | | | 18:00| | | | | | Break | Banquet | | | | | | | | | | | | | 19:00|----------------|---------------------| | | | | | | | | | | ----------------------------------------------------------------------- TECHNICAL PROGRAM KEYNOTE ADDRESS Vincent Lum Systems Engineering Department, Chinese University of Hong Kong Title: Transcending Syntactical Constraints in a Multimedia Query Interface Biography: Vincent Lum received his undergraduate from the University of Toronto in 1960, his Master degree from the University of Washing in 1961, and his Ph.D. from the University of Illinois in 1966. Currently he is the Professor and Chairman of the systems Engineering Department of the Chinese University of Hong Kong, on leave from the Computer Science Department of the Naval Postgraduate School of Monterey, California, where he is the former chairman of the department. Prior to joining the Naval Postgraduate School he spent 25 years with the IBM Company, most of his time in the Research Division. There he started and managed a number of research projects, the works of some of which are quite well known in the professional community. He is active in professional activities and has been a number of the IEEE Computer Society's Distinguished Speaker Program more than once, an associate editor for several renowned technical journals including the TODS and a former chairman in two of the IEEE Computer Society Technical Committees. He is the co-founder of the VLDB Endowment which runs the annual VLDB Conference that he nurtured from its infancy to its prestigious status today. He has been an organizer, chairman, program chairman, etc. for numerous well known international conferences, and the author of a large number of original research papers some of which are still cited decades after their publications. He has been an invited speakers in many seminars and lectures worldwide. Abstract: The SQL query interface with its linear syntax was developed two decades ago for the I/O devices supporting character mode and has since then become a standard. Its standarization has actually become an inhibitor to the development of better casual user interfaces because vendors built their query interfaces closely tied to the standard. Inspite of the fact that today's I/O devices are so powerful and versatile, capable of handling multimedia data at high speed, little, except at the research level, has been done to produce better casual user query interfaces. Even in research and prototyping, user interfaces reflect much of the SQL influence and retain a lot of its approach and syntactical constraints. Our research is to find ways to get rid of many of the constraints by maximizing the use of the technologies of today's computers, I/O devices and software. Two major features in today's systems lend themselves to designing a casual user interface that allows novice users to query a database system with little background other than some fundamental understanding of the data and the principles in constructing the interface. The first of these is the support of multimedia data, permitting us to display and make use of graphics, icons, sound, and other media data in our design. The other is the availability of the windowing mechanism developed in recent years for nearly all the systems. Advantageous applications of these two features will go a long way in creating a good casual user interface. While the advances of object oriented model and systems will strongly enhance the applicability of database management systems in various domains, the relational model, inspite of its limited capability to express semantics, retains its appeal to casual users because of its simplicity. Purely from the practical point of view, we see that relational DBMS's will stay with us for a long time, and designing and having a good casual user interface for these systems will make them much more user friendly and spread its usability to casual users to a greater extent than it currently is. In designing the query interface, we note that using graphics only for interface captures the visual aspect of our senses. It is well known that auditory coupled to visual sensor is very important to help people understand and digest information. We therefore look into the different ways where we can capitalize on this knowledge. For example, we know that sound can be very effectively used to reconfirm user actions, to direct or redirect attentions, and to provide assistances. An interface design should therefore integrate the use of sound and visual effects for these and other purposes. We further note that, while users can generally define simple queries easily with just about any conventional query interface of which SQL is one, they have difficulty in forming the more complex queries. We have observed that users invariably break complex queries into smaller subqueries and recompose them to form a complex query. This fact is verified again and again in database system classes when students can form a complex query in multiple query statements linked together in a sequence of operations but not in one statement, even though the power of the query language is capable of supporting the subqueries formed into one statement. Such a method of writing multiple statements to specify one query is strictly a 'no-no' because it is akin to making the query specification 'procedural' and asking the system to execute multiple queries. Unquestionably the syntactical constraints and the restricted way how a user can form a query in SQL further enhances the difficulty to form a complex query in one statement. Windowing mechanism can make the procedural part disappear because its multitasking capability allows its users to create, open and close any number of windows at will. It permits its users to suspend and switch from one task to another at any time without detrimental consequences. This allows us to make use of the mechanism to get rid of the procedural effect and the syntactical constraints inherited from the SQL approach and the old technologies even when a graphical user interface is used. Naturally, regardless of what design we arrive at, it is important that the interface should allow novel users and experts state their queries with equal facility. The same interface must allow its users write simple queries simply and complex queries easier. It has to allow users the choice of the features they want instead of imposing choices on them regardless. This talk will show how we make use of the two features mentioned above and the ideas we just discussed to design a casual user query interface to achieve the goals just given. We will make use of very few simple rules throughout in designing the interface so that users will not be burdened with a lot of things to remember, which generally leads to errors. TUTORIALS Tutorial 1 April 6, 1993, 10:00-13:00 Title: Starbust : An Extensible Database Manager Speaker : Guy M. Lohman IBM Research Division, Almaden Center Bibliography : Dr. Guy M. Lohman is manager of Extented Relational Systems in the Exploratory Database Systems Department at IBM Research Division's Almaden Research Center in San Jose, California. He is also responsible for the design and implementation of a rule-based, extendible query optimizer for Starburst, an extensible relational database management system prototype. Prior to that he developed, implemented, and validated the query optimizer of R*, IBM's first distributed database management system, for which he received a research Division Award. Prior to coming to IBM in 1982, Dr. Lohman was a group supervisor at NASA/Caltech's Jet Propulsion Laboratory in Pasadena, CA. Guy received his BA in Mathematics (1971) from Pomona College (Claremont, CA) and his MS (1975) and Ph. D.(1977) in Operations Research from Cornell University (Ithaca, NY). His current research interests merge his backgrounds in Operations Research and computer database management systems, including query optimization, extendible DBMSs, performance evaluation, novel applications of DBMS, and distributed and parallel databases. Abstract : The advantages of object-oriented database systems, including support for complex types, encapsulation, and extensibility, are well-known. Relational systems offer a complementary set of advantages, including data independence, multiple views, and set-oriented queries. Research is underway to investigate how these sets of advantages can be research in the context of the Starburst prototype, which includes an extensible type system, a cache for structured complex objects, large unstructured objects (BLOBs), support for recursive queries, and a rules system to make the database more "active". The course outline includes : - Requirements of new applications (CAD/CAM, geographic, document, multi-media, ...) - Architecture for extensibility (user-defined storage methods and access methods) - User-defined data types and methods (functions) - Unstructured large objects (BLOBs) - Structured complex objects - Recursive queries (parts explosions, path expressions) - Production rules ("active" database) - Parallel execution Tutorial 2 April 6, 1993, 14:30-17:30 Title : Object-Oriented Database Technology and Its Applications to Multimedia and Computer Network Management Speaker : Yoshifumi Masunaga Dept. of Library and Information Science, University of Library and Information, Japan Bibliography Dr. Yoshifumi Masunaga is a full professor of the Department of Library and Information Science, University of Library and Information Science, Japan, where he is conducting the research projects of developing advanced database systems for multimedia and computer network management. He was a research scholar of the Computer Science Department of IIASA (International Institute for Applied Systems Analysis, Vienna, Austria), and a visiting scientist of System R* Project of IBM San Jose Research Laboratory, San Jose, California, U.S.A.. He finished the Doctor Course of the Post Graduate School of Technology of Tohoku Univ., Sendai, Japan and received the Doctor of Engineering Degree in 1970. He is a member of ACM, IEEE Computer Society, and the Chairperson of the Special Interest Group on Database Systems of the Information Processing Society of Japan since 1991. He was the Executive Committee Chairperson of DASFAA'91 held in Tokyo in April 1991. Abstract : This tutorial projects object-oriented database management system as the next generation database management system. We start with a history of database management systems developed so far, and position the object-oriented database management system as the third generation database management systems. This will be followed by essential features of object-oriented database management systems in terms of complex object support, differential programming, impedance mismatch problem and others. Then we overview the present status of the object-oriented database management system product, and introduce some benchmark test results. Object-oriented database mangement systems are suitable for managing data required for the advanced database applications such as CAD, CASE, multimedia database, computer network management, cooperative work support, and others. In this tutorial, the use of object-oriented database management systems for multimedia database management and computer network management applications are shown based on the author's experience on research and development. Finally, the future problems of the object-oriented database management systems are investigated particularly from the point of view of standardization and interoperability of object bases. T3. ...... , 10:00-13:00, ... T4. ...... , 14:30-17:30, ... Paper Sessions WEDNESDAY, APRIL 7, 1993, OPENING SESSIONS, 9:00-10:30 -------------------------------------------------------------------- WELCOME ADDRESS: 9:00-9:30, by Dr. Chan Mo Park, President of KISS KEYNOTE ADDRESS: 9:30-10:30, Vincent Lum ( Chinese University of Hong Kong ) S1. Multimedia, 11:00-12:30 -------------------------------------------------------------------- Towards Dynamics Animation on Object-Oriented Animation Database System "MOVE", Kunihiko Kaneko, Susumu Kuroki and Akifumi Makinouchi Relational Query Formulation by Pseudonatural Language Text Manipulation, Hirofumi Amano and Yahiko Kambayashi Similarity Retrieval on Pictorial Databases Based upon Module Operation, Liang J. Chang, C. C. Chang and R. C. T Lee S2. Multidatabase Systems, 11:00-12:30 --------------------------------------------------------------------- Efficient Global Transaction Management in Multidatabase Systems Sharad Mehrotra, Rajeev Rastogi, Yuri Breitbart, Henry F. Korth and Avi Silberschatz Schema Transformation Processors for Federated Objectbases Markus Tresch and Marc H. Scholl Determining Schema Interdependencies in Object-Oriented Multidatabase Systems Jian Yang and Mike P. Papazoglou S3. Object-Oriented Database Systems, 14:00-15:30 --------------------------------------------------------------------- PINOL: A Persistent Inferential Object-oriented Language for Databases Anne H.H. Ngu and Limsoon Wong Object-Oriented Database with Rule-Based Query Interface for Genomic Computation Susum Goto, Norihiro Sakamoto and Takagi Toshihisa LRU-S: A New Buffer Allocation Approach for OODBMS Hanxiong Chen, Jeffrey Xu Yu, Kazunori Yamaguchi, Hiroyuki Kitagawa, Noboru Ohbo and Yuzuru Fujiwara S4. Distributed Database, 14:00-15:30 -------------------------------------------------------------------- Enhanced Tree Quorum Algorithm for Replicated Distributed Databases Soon Myoung Chung Data Fragmentation and Allocation for PC-based Distributed Database Design Minyoung Ra and Yang-Sun Park Strategies for Selection from Heterogeneous Relations Chiang Lee and Cheng-Luu Tsai S5. Industrial Database Applications, 14:00-15:30 --------------------------------------------------------------------- Information Integration Through Contract Toncan Duong, John Hiller and Ann Ngu The DiNG - a parallel multiattribute file system for deductive database machines T. A. Mueck Database User Interface Design Editor Cuie Zhao, Ging Yang Choo, Che Kia Phua and Robin C.G. Seow S6. Object-Oriented Data Models, 16:00-17:30 ----------------------------------------------------------------------------- An Object-Centered Data Model for Engineering Design Databases Huibin Zhao and Alexandros Biliris Conceptual Layers in an Object Oriented Database Gabriel Baum, Silvia Gordillo, Claudia Pons, Clara Smith and Calros Tau Generating Object-Oriented Views from an ER-based Conceptual Schema Tok Wang Ling, Pit-Koon Teo and Ling-Ling Yan S7. Parallel Database, 16:00-17:30 --------------------------------------------------------------------- A Parallel Pattern Searching Algorithm in Object-oriented Databases using a Cellular Array Architecture Stanley Y.W. Su, Soon J. Hyun and Rahul B. Patel Evaluation of a Parallel Database Machine for Caller Dependent Routing Ilsoo Ahn A Design of a Transparent Backup System Using a Main Memory Database Hiroki Takakura and Yahiko Kambayashi S8. Access Methods, 16:00-17:30 ------------------------------------------------------------------------------- Abstract Indexing Mechanism of the Extensible DBMS MODUS Kazutaka Furuse, Kazunori Yamaguchi, Hiroyuki Kitagawa and Noboru Ohbo A New Indexing and Text Ranking Method for Japanese Text Databases using Simple-word Compounds as Keywords Yasushi Ogawa, Ayako Bessho, Masajirou Iwasaki, Mina Nishimura and Masako Hirose B-Tree Concurrency Control Algorithm for Nested Transaction Systems John Kyu Lee THURSDAY, APRIL 8, 1993 -------------------------------------------------------------------- S9. Real-Time Database, 9:00-10:30 -------------------------------------------------------------------- Scheduling and Concurrency Control for Real-Time Database Systems Sang H. Son and Seog Park A Protocol for Consistent Checkpointing Recovery for Time-Critical Distributed Database Systems Junguk L. Kim, Taesoon Park, Prabaharan I. Swarnam and Myung-Joon Kim A Token-Based Synchronization Scheme using Epsilon-Serializability and Its Performance for Real-Time Distributed Databases Sang H. Son and Spiros Kouloumbis S10. Query Processing(I), 9:00-10:30 --------------------------------------------------------------------- Query Processing Techniques in the Team-Oriented Database Query Language Jorng-Tzong Horng, Gwo-Dong Chen and Baw-Jhiune Liu Distributive Join Algorithm for Cube-Connected Multiprocessors Soon Myoung Chung and Jaerheen Yang Optimization of Chain Queries Sergio Greco S11. Rule Management, 9:00-10:30 --------------------------------------------------------------------- Database Updates Using Active Rules: A Unified Approach for Consistency Maintenance Jong P. Yoon A Database Rule Language Compiler Supporting Parallelism C. de Maindreville, J.-P. Cheiney and G. Kiernan A Knowledgebased System Converting ER Model into an Object-Oriented Database Schema Il-Yeol Song and Heather M. Godsey S12. Temporal Database, 11:00-12:30 --------------------------------------------------------------------- Design of Historical Databases using the 3-D Relational Data Model Tae Nam Cho and Kyung Chang Kim Offstage Objects and their Renovations in the Temporal Object System TOS Abad A. Shah, F. Fotouhi, W. Grosky, S. P. Rana and A. Vashishta Logical Data Independence Via Views: A Misapprehension? J.M. de Graaff, R.J. Veldwijk and M. Boogaard S13. Integrity, 11:00-12:30 --------------------------------------------------------------------- Optimizing Distributed Integrity Constraints Subhasish Mazumdar On Deriving Specialization Constraints over Complex Objects Minoru Ito and M. Nakanishi Improving Integrity Checking for $@&E(J-constraints Tok Wang Ling and Sin Yeung Lee S14. Deductive and Fuzzy Database, 11:00-12:30 -------------------------------------------------------------------- On Exclusive Disjunction in Deductive Databases Dong-Hoon Choi and Lawrence J. Henschen A Fuzzification of the Relational Data Model Doheon Lee, Myoung Ho Kim and Hyung Lee Kwang Enhancing the Fuzzy Set Model with Positively Compensatory Operators Joon Ho Lee, Won Yong Kim and Myoung Ho Kim S15. Concurrency Control and IO Schedulings, 14:00-15:30 -------------------------------------------------------------------- A Pessimistic Concurrency Control Algorithm in Multidatabase System Hyunyoon Yun and Buhyun Hwang An Optimistic Concurrency Control Scheme for Real-Time Database Systems Juhn Young Lee and Sang H. Son New Disk Scheduling Algorithms for Reduced Rotational Latency Kitae Hwang and Heonshik Shin S16. Query Processing(II), 14:00-15:30 --------------------------------------------------------------------- Intensional Query Processing in Object-Oriented Database Systems Yang Hee Kim and Hyoung-Joo Kim Heterogeneous Query Optimization using Maximal Sub-queries A. HH Ngu, LL Yan and LS Wong Temporal Query Processing for Scene Retrieval in Motion Image Databases Junichi Takahashi Efficient Processing of Time-Joins in Temporal Databases Satyendra P. Rana and Farshad Fotouhi S17. Intelligent User Interface, 14:00-15:30 --------------------------------------------------------------------- Qualitative Behavior Modeling of Information Processing Components Sang Hun Oh, Yoon Joon Lee and Myoung Ho Kim Explaining the User Queries Failures in Natural Language Database Interfaces Zouheir Trabelsi, Yoshiyuki Kotani and Hirohiko Nisimura A Multimedia Database for an advanced Teleshopping Application D. Maino, F. Mercalli and R. Negrini PANEL SESSION, 16:00-17:30 --------------------------------------------------------------------- CLOSING SESSION, 17:30-18:00 --------------------------------------------------------------------- REGISTRATION Participants are encouraged to register for the Symposium as soon as possible. For the registration, complete the enclosed Registration Form and return it to the DASFAA'93 Secretariat with the registration fee no later than February 15, 1993. Those who register after the deadline will be liable to pay an additional fee. On-site registration is possible at the registration Desk, Riviera Hotel. Registration hours : April 6 (Tue.) - 8 (Thr.) 08:30 ~ 17:00 REGISTRATION FEES Received by Received after Categories Feb. 15, 1993 Feb. 15, 1993 Members* $260 $320 Symposium Non-Members $320 $380 Students** $100 $120 Members* $100 $120 Tutorial Non-Members $120 $150 (per one) Students** $50 $60 * Members of KISS, IPSJ, SCS, IEEE, ACM ** Full time student, please submit a copy of ID card showing your photograph with this form. Note: 1. Proceedings will be offered to all registered persons. 2. Banquet is included in the registration fee except students. 3. Additional banquet tickets for students and accompanying persons will be sold on-site at $50 PAYMENT All payments must be made in US dollar and Korea Won. Payment for the fee is to be made in following manner. Bank Draft Bank draft should be made payable to "DASFAA93". Personal checks will not be accepted. Bank Transfer Name of Bank : Korea Exchange Bank, Taejon Branch, Taejon, Korea Account Name : DASFAA93 Account No. : No. 034-13-48121-9, Please note that the bank charge for remittance must be born by the applicant. CONFIRMATION Upon receipt of the registration form and payment, the Symposium Secretariat will send back a confirmation/receipt, which should be presented on arrival at the registration desk. CANCELLATION AND REFUND Confirmation must be notified in writing to the Symposium Secretariat for cancellation received before Feburary 28, 1993, 30% of the fee will deducted before making refund (after the Symposium). No refunds will be made for the cancellation beyond this date. HOTEL ACCOMODATION A block of rooms has been reserved until March 15th, 1993. After this date, room reservations will be accepted on a space available basis. Overflow reservations for the Riviera hotel are also handled by the Riviera. For booking the hotel, complete the enclosed Hotel Reservation Form and return it to the hotel directly. Room Type*: _Twin w90,000 _Ondol** w80,000 * The room rates at the conference date are subject to change due to currency rate($ 1 corresponds to about w795) and include 10% service charge and 10% government tax. ** Ondol is the Korean under-floor heating system. CONFERENCE VENUE LOCATION The symposium and tutorials will be conducted at the Riviera Hotel, Taejon. It is located in Taejon's well-known hot spring area which includes several interesting attractions such as Kyeryong Mountain National Park and National Science Museum. Taedok Science Town, which includes many high technology scientific research center, is also located within a few minute drive. Other local features are easily accessible via public transportation, including Bomum Maountain Park and Fortress, Taechong Multipurpose Dam and Yusong Country Club. Taejon also provides easy access by train or bus to several historic places such as Buyo and Kyeongjoo. They were the capitals of Korean ancient kingdoms, called Baekje and Shila, which had many interactions with Japanesse and Chinese ancient countries. LOCAL TRANSPORTATION There are three choices for ground transportation from the Kimpo airport to the hotel (the conference site). Please consult Tourist Information Center of the Korea National Tourism Co. (KNTC) at your arrival in Kimpo International Airport. (1) By the charted bus (The Kimpo Airport -> The City Air Terminal -> The Hotel) The chartered buses for the symposium attendees departs from the Terminal 2 building of the Kimpo Airport at 3:00 PM and from the City Air Terminal at 4:00 PM for April 6th and April 7th (one time per day). It takes about one hour from the Kimpo Airport to the City Air Terminal, and about two hours from the City Air Terminal to the hotel which makes three hours in the hotel. The fare is about $15 per person. This will be the most convenient way of local transportation for teh attendees. Note: Near the City Air Terminal, there are several attractions and shopping facilities including Korea Exhibition Center and large department stores. If you arrive at the Kimpo Airport too early, you can enjoy shopping and sightseeing around the City Air Terminal. (2) By Train (The Kimpo airport -> The Seoul Train Station -> The Taejon Train Station -> The Hotel) Trains depart from the Seoul train station to the Taejon train station about every 15 minutes during daytime and every 40 minutes during the night. It takes about 2 hours from the Seoul to Taejon station. It cost about $10.00 for a railroad ticket. Taxi fare from the Kimpo airport to the Seoul Train Station is about $8.00. It takes about 40 minutes from the Kimpo airport to the Seoul Train Station. Taxi fare from the Taejon Train Station to the hotel is about $4.00. Note: Due to many people making trips to and from Seoul and Taejon, the train tickets are usually competitive. The availability of every train ticket is not guaranteed. You might have to wait for one or more hours for your train. (3) By Express Bus (The Kimpo airport -> The Seoul Express bus station in Banpo -> The Taejon Express bus station -> The Hotel) Express buses depart from the Banpo bus station to the Taejon bus station about every 10 minutes from the 6 A.M. to 8 P.M. It will take about 2 hours from the Seoul to Taejon station. It costs about $4.00 for an express bus ticket. Taxi fare from the Kimpo airport to the Banpo Express bus station is about $8.00. Taxi fare from the Taejon express bus station to the hotel is about $4.00. Note: The Express bus tickets are usually very competitive. The availability of every bus ticket is not guaranteed. You might have to wait for one or more hours for your bus. SOCIAL PROGRAM OPENING CEREMONY All participants and accompanying persons are cordially invited to attend the opening ceremony. Date and Time : April 7 (Wed.) 09 : 30 ~ 10 : 00 Place : Riviera Hotel, Taejon BANQUET A Banquet featuring Korean folk music and dances will be provided for an enjoyable evening. The banquet is included in the registration fee. The additional banquet for accompanying persons will be sold at the registration desk. (US $50) Date and Time : April 7 (Wed.), 17 : 30 ~ 19 : 00 Place : Riviera Hotel, Taejon TOUR INFORMATION POST CONFERENCE TOUR KYOUNGJU (1 night 2 days tour) Kyoungju is one of Korea's most important cultural and historical sites. This city was the capital of the Shilla Dynasty, a kingdom that had begun about 2,000 years ago and united the entire Korean peninsula under one government for the first time in the 7th century. As such, the city itself is a vast outdoor possessing no fewer than 270 important national treasures. There is no better museum place to go to get a close look at Korea's ancient history as well as some of the country's most outstanding buddhist temples and heritages. CHEJU ISLAND (2 night 3 days tour) Called Cheju-Do in Korean, this volcanic island is the country's largest and southernmost. The flora and fauna here are quite different from those of the mainland, as are the local customs, dress, dialect, houses, and food. The lava and other rock formations are like something out of fantasy, Cheju Island's beautiful beaches and other seaside resorts attract thousands of tourists. The island is Korea's favorite honeymoon destination. MT. SORAK NATIONAL PARK (2 nights 3 days tour) Mt. Sorak, the highest mountain in the T'aeback Range, is near the east coast not far from the city if Sokch'o. The mountain's name means "Snow Peaks" an appropriate designation for a place where the snow begins falling in autumn and doesn't melt until midspring. The park is largely divided into two areas along geographical line : the eastern half is famous for its steep cliffs and waterfalls. And you can enjoy breath-taking scenes of valleys and peaks of unusual shape in the western half. For further and detail information, please contact to Mr. Choi, Chul Won c/o DASFAA'93 Universal Air Service, TAejon, Korea Tel: +82-42-252-0587~8 Fax: +82-42-252-0586 ABOUT KOREA PASSPORT & VISA Every foreign visitor entering Korea must be in possession of a valid passport. No visa are required for delegates from the following countries according to the reciprocal visa exemption agreement with Republic of Korea. Austria/ Bahamas/ Bangladesh/ Barbados/ Belgium/ Colombia/ Costa Rica/ Denmark/ Dominican Republic/ Finland/ France/ Germany/ Granada/ Greece/ Iceland/ Ireland/ Italy/ Lesotho/ Liberia/ Luxemburg/ Malaysia/ Mexico/ The Netherlands/ Norway/ Pakistan/ Peru/ Portugal/ Spain/ Singapore/ Surinam/ Sweden/ Swizerland/ Thailand/ Tunisia/ Turkey/ The United Kingdom Delegates from other countries may stay up to 15 days without visa. Those who intend to stay longer than 15 days obtain entry visa from a Korean diplomatic or consular mission abroad as they prefer. In applying for visa, a visa applicant should tender a valid passport, visa application form(obtainable from Korean consulate), and two photographs (5cm x 4cm). CURRENCIES & CREDIT CARDS Korean currency is the Won. It comes in 10,000 Won, 5,000 Won, 1,000 Won, bills and 500 Won, 100 Won, 50 Won, 10 Won coins. Foreign currency or traveler's checks are exchangable to Korean Won at major banks and other authorized money changers. The change rate is subject to change with market fluctuations. One US dollar is equivalent to about 790 Won (?) as of Dec. 1992. Most stores, Hotels, department stores and restaurants will accept credit cards like Visa, American Express, Diners Club, Master Card and Carte Blanche, etc. CLOTHES AND WEATHER April is spring in Korea. In Taejon, the days are pleasantly warm and sunny (average 15~20C). Spring clothing is recommended with a jacket for evening. SYMPOSIUM REGISTRATION FORM (DASFAA'93) April 6-8, 1993 Riviera Hotel, Taejon, Korea ------------------------------------------------------------------------ Please return to: DASFAA'93 Secretariat c/o Prof. Yoon-Joon Lee Computer Science Department, KAIST Tel: +82-42-869-3523 Kusong-dong, Yusong-ku Fax: +82-42-869-3510 Taejon, 305-701, Korea E-mail: yjlee@cs.kaist.ac.kr ------------------------------------------------------------------------ * For prompt and precise communication, Please complete this form (type or print) carefully, and return to us by air-mail or fax no later than Feb. 15, 1993 Title: Prof./Dr./Mr./Mrs. Name: ___________________________ _________________________________ family name given name Affiliation: _____________________________________________________ _____________________________________________________ Mail Address: _____________________________________________________ _____________________________________________________ _____________________________________________________ Zip Code Country Tel: _______________ Fax: _____________ E-mail: ___________________ Registration Fee for Symposium and Tutorial Received by Received after Amount Categories Feb. 15, 1993 Feb. 15, 1993 Members* $260 $320 Symposium Non-Members $320 $380 Students** $100 $120 Subtotal 1 $_________ Members* $100 $120 Tutorial Non-Members $120 $150 Students** $50 $60 Please circle your tutorial preference 1 2 3 4 Subtotal 2 $_______ x ___ tutorials = $_________ Grand total = subtotal 1 + Subtotal 2 $_________ * Members of KISS, IPSJ, SCS, IEEE, ACM ** Full time student, please submit a copy of ID card showing your photograph with this form. Note: 1. Proceedings will be offered to all registered persons. 2. Banquet is included in the registration fee except students. 3. Additional banquet tickets for students and accompanying persons will be sold on-site at $50 PAYMENT OF FEE Please check an appropriate box. _ Bank Transfer : I will remit/have remitted the above grand total on (date) _________________ through my bank _______________ to the account of (DASFAA93, Acct. No. 034-13-48121-9, Korea Exchange Bank, Taejon Branch, Taejon, Korea). _ Bank Draft : I enclose a bank draft for the above grand total payable to "DASFAA93". * Note - No personal checks will be accepted. - Please make duplicate copies of this completed Registration Form and remittance certificate and present it at the registration desk. Date: __________________ Signature: ______________________________ Office Use Only Date: _______________ Reg. No.: ____________ Hotel Reservation Form (DASFAA'93) Deadline : March 15, 1993 -------------------------------------------------------------- Please return to: Riviera Hotel Attn: Reservation Department Yusong-ku, BongMyung-dong, Phone: +82-42-823-2111 Taejon, Korea Fax: +82-42-822-5250 -------------------------------------------------------------- Please complete all the information (type or print), and mail (or fax) it directly to the hotel. Prof. /Dr./Mr./Ms. Name: ___________________________ _________________________________ family name given name Affiliation: _____________________________________________________ _____________________________________________________ Mail Address: _____________________________________________________ _____________________________________________________ _____________________________________________________ Zip Code Country Tel: _______________ Fax: _____________ Room Type*: _Twin w90,000 _Ondol** w80,000 Arrival Date:_________________ Departure Date:____________________ * The room rates at the conference date are subject to change due to currency rate($ 1 corresponds to about w795). 'w' is korean currency unit, called won. ** Ondol is the Korean under-floor heating system. Note: A block of rooms has been reserved until March 15th, 1993. After this date, room reservations will be accepted on a space available basis. Overflow reservations for the Riviera hotel are also handled by the Riviera, and the some of lower rates apply. DATE ______________________ SIGNATURE ______________________