SAC'97 Tutorials
Sunday, March 2 from 9:00 AM to 1:00 PM

Research Issues on Very Large Workflow Management Systems

Gustavo Alonso, Swiss Federal Institute of Technology (Switzerland)

This tutorial offers an in depth analysis of the latest advances in workflow technology and discusses the limitations of existing products. Special emphasis will be placed on innovative uses of the technology and how it might evolve in the future. This tutorial will be of interest to both users and designers of workflow tools as well as to managers willing to incorporate workflow technology into their organisation.

Fuzzy Neural Networks

Hans-Heinrich Bothe, Technical Univ. of Berlin (Germany)

Fuzzy Logic and Neural Networks have been applied to numerous technical applications. Either method family has well known advantages. An appropriate combination of both can help to eliminate disadvantages, leading to adaptable and interpretable system behaviour.

The tutorial will systematically introduce and compare several sophisticated approaches. It is mainly addressed to professionals and students working in pattern recognition or control.

Disconnected Browsing: WWW & Mobile Computing

Anupam Joshi, University of Missouri(USA)

The objective of this tutorial will be to familiarise the audience with the basics as well as the state of the art in disconnected browsing - accessing the Web from mobile computers. The tutorial will have two parts. The first will provide an overview of the challenges posed by mobile systems, and also a short overview of the Web ó http, HTML and Java. In the second part we will describe and analyse the issues involved in creating systems for disconnected browsing, such as proxy-scion architectures, disconnection management, co-operative information gathering and multimedia transformation. We will conclude with a critical review of existing systems. The intended audience is academics, students, IT executives and managers.

Principles of Computer Systems and Network Performance Evaluation

Mohammad S. Obaidat, Monmouth University (USA)

Abstract: Evaluation of computer systems and networks is needed at every stage in the life cycle of a computer system/network, including its design, manufacturing, sale/purchase, use, upgrade, tuning, etc. The objective of this tutorial is to provide an update-to-date treatment of the fundamental techniques and algorithms of computer systems/networks performance modelling, simulation and measurement. The application of these techniques will be demonstrated by case studies and examples.

Audience: engineers, scientists, software developers, system analysts, computer centre managers, graduate students, project managers interested in procurement of computer systems/networks, and faculty members interested to develop courses in this area.

Coordination Models, Languages and Applications

George Angelos Papadopoulos, Univ. Cyprus (Cyprus)

A new class of models, formalisms and mechanisms has recently evolved for describing concurrent and distributed computations based on the concept of ìcoordinationî. The purpose of a coordination model and associated language is to provide a means of interfacing with each but also integrating together a number of, possibly heterogeneous, components in such a way that the collective set forms a single application able to execute on and take advantage of parallel and distributed systems. The purpose of this tutorial will be to present in sufficient detail the fundamental concepts of what constitutes a coordination model and language and discuss ways of applying this new formalism to a number of application areas. The tutorial will be useful to researchers and practitioners in the areas of Programming Languages and Parallel Computing but also anyone using parallelism to enhance the performance of his/her application.

Middleware for Distributed Object Management

Markus Tresch, Swiss Federal Institute of Technology (Switzerland)

Middleware denotes much more than just the "slash" in client/server, it has become the key technology for the development of distributed information systems. In this tutorial, we present a comprehensive overview of actual developments in middleware technology for distributed object management, including emerging standards like CORBA and present research.

The tutorial should be attended by software developers and computer scientists interested in understanding the role and using middleware for distributed object management.

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