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Posters on display

Monday, 27 October – 17:30-19:30

Tuesday, 28 October – 10:00-17:00

Wednesday, 29 October – 10:00-17:00

Thursday, 30 October – 10:00-14:00

Workshop on Process Engineering for Object-Oriented and Component-Based Development

Brian Henderson-Sellers, University of Technology, Sydney, brian@it.uts.edu.au

The poster will describe the results of the OOPSLA workshop on this topic

Workshop: Second International Workshop on Agent-Oriented Methodologies

Brian Henderson-Sellers, University of Technology, Sydney, brian@it.uts.edu.au

The poster will describe the results of the OOPSLA workshop on this topic

The Twelfth OOPSLA Workshop on behavioral semantics -- Striving for Simplicity

Haim Kilov, Independent Consultant and Stevens Institute of Technology, haimk@acm.org
Kenneth Baclawski, College of Computer Science, Northeastern University, ken@baclawski.com

Elegant OO specifications of business and system semantics

Visualizing Class Interfaces with Concept Lattices

Uri Dekel, ISRI, School of Computer Science, Carnegie Mellon University, udekel@cs.cmu.edu
Yossi Gil, CS Dept, Technion, Israel, yogi@cs.technion.ac.il

Our research promotes the use of a mathematical concept lattice based upon the binary relation of accesses between methods and fields as a novel visualization of individual Java classes. We demonstrate in a detailed real-life case study that such a lattice is valuable for reverse-engineering purposes, in that it helps reason about the interface and structure of the class and find errors in the absence of source code. We also show that this lattice can be of assistance in selecting an efficient reading order for the source code, if available. Our technique can also serve as a heuristic for automatic feature categorization, enabling it to assist efforts of re-documentation.

Time Conscious Objects: A Domain-Specific Framework and Generator

Jorn Bettin, SoftMetaWare, jorn.bettin@softmetaware.com
Jeff Hoare, SoftMetaWare, jeff.hoare@softmetaware.com

Time is a crosscutting concern that is hard to separate from other business logic. We have developed Time Conscious Objects (TCO), a Java toolkit that allows existing business application systems to be extended with "time conscious" behavior by factoring out all aspects of time-related behavior into a framework and a set of classes that is distinct from the existing code base.

Middleware Benchmarking: Approaches, Results, Experience

Petr Tuma, Charles University, Czech Republic, petr.tuma@mff.cuni.cz
Paul Brebner, CSIRO, Australia, paul.brebner@csiro.au
Emmanuel Cecchet, INRIA Rhone-Alpes, France, emmanuel.cecchet@inrialpes.fr
Julie Marguerite, INRIA Rhone-Alpes, France, julie.marguerite@inrialpes.fr

The poster presents results of the OOPSLA 2003 Workshop on Middleware Benchmarking. The workshop is a meeting point between developers and users as two groups involved in middleware benchmarking. The poster identifies the obstacles encountered when designing, running and evaluating middleware benchmarks and proposes approaches to tackle these obstacles.

Visualization of Eclipse

Chris Laffra, IBM Ottawa Labs, Chris_Laffra@ca.ibm.com

The Eclipse platform uses plugins and an extension mechanism to manage complexity. This leads to hundreds or even thousands of plugins. Bytecode instrumentation can be used to visualize all these plugins. We show plugin activity and communication, plugin memory usage, detailed method tracing facilities, and custom visualizations.

An Introduction to Fly: A Smaller Smalltalk

Thomas Wrensch, University of the Pacific, Department of Computer Science, twrensch@uop.edu
Jonathan Schifman, University of the Pacific, Department of Computer Science, j_schifman@uop.edu

Fly is a lightweight version of the Smalltalk programming environment. Fly attempts to preserve the benefits of Smalltalk as a development system while making it feasible to develop applications for embedded systems, PDAs, and other limited resource environments. Here we introduce the Fly project and its current and expected results.

Generative Model Transformer: An Open Source MDA Tool Initiative

Jorn Bettin, SoftMetaWare, jorn.bettin@softmetaware.com
Ghica van Emde Boas, Bronstee Software & Services, emdeboas@bronstee.com

The Generative Model Transformer (GMT) project is an Open Source initiative to build a Model Driven Architecture tool. The project should result in (a) a tool that fulfils the MDA promise for faster/more accurate/better maintainable application development, (b) a tool for industrial use, and (c) MDA related research. A distinctive feature of GMT is the emphasis of model transformations as "first-class model citizens".

Dynamic Personal Roles for Ubiquitous Computing

Robert McGrath, Department of Computer Science, University of Illinois at Urbana-Champaign, mcgrath@ncsa.uiuc.edu
Dennis Mickunas, Department of Computer Science, University of Illinois at Urbana-Champaign, mickunas@cs.uiuc.edu

This paper presents doctoral research on a key problem for ubiquitous computing: implementation of representatives for physical objects, particularly people. This poster outlines an approach to implementing dynamic personal roles suitable for a ubiquitous computing environment.

Implications of Test-Driven Development: A Pilot Study

Reid Kaufmann, Sun Microsystems, Inc., reid.kaufmann@sun.com
David Janzen, Bethel College, djanzen@bethelks.edu

A Spring 2003 experiment examines the claims that test-driven development or test-first programming improves software quality and programmer confidence. The results indicate support for these claims and inform larger future experiments.

Agile Software Development for Component Based Software Engineering

Wolfgang Radinger, Vienna University of Technology, Institute of Computer Technology, radinger@ict.tuwien.ac.at
Karl Michael Göschka, Frequentis Nachrichtentechnik GmbH, goeschka@acm.org

Agile Software Development and Component Based Software Engineering are two fundamentally different methods to serve today's demands of software engineering. By combining the technical and organizational issues, we introduce an approach for a consequent integration to allow agile component development in the small and system engineering in the large, respectively.

Dynamically Updatable Component-based System

Robert Bialek, DIKU, University of Copenhagen, bialek@diku.dk

Updating 24/7/365 distributed, component-based applications is challenging. We present a framework of a Dynamically Updatable Component-based System (DUCS) and some of its implementation details. The framework is a multi-layered extension to now-a-days VirtualMachines supporting updates of heterogenous components. Prototype is a distributed GroupWare application build on top of the framework.

MAS: A Multi-Agent System Modeling Language

Viviane Silva, Pontifical Catholic University, viviane@inf.puc-rio.br
Carlos Lucena, Pontifical Catholic University, lucena@inf.puc-rio.br

We propose a multi-agent system modeling language (MAS-ML) that extends UML based on structural and dynamic properties presented in a conceptual framework called TAO (Taming Agents and Objects). The main difference between our approach and the others is the clear definition and representation of the elements that compose multi-agent systems.

*J: A Tool for Dynamic Analysis of Java Programs

Bruno Dufour, McGill University, bdufou1@cs.mcgill.ca
Laurie Hendren, McGill University, hendren@cs.mcgill.ca
Clark Verbrugge, McGill University, clump@cs.mcgill.ca

We describe a complete system for gathering, computing and presenting dynamic metrics from Java programs. The system itself was motivated from our real goals in understanding program behaviour as compiler/runtime developers, and so solves a number of practical and difficult problems related to metric gathering and analysis.

Beyond Green-Field Software Development: Strategies for Reengineering and Evolution

Dennis Mancl, Lucent Technologies, Murray Hill, NJ, mancl@lucent.com
William Opdyke, North Central College, Naperville, IL, opdyke@noctrl.edu
Steven Fraser, Consultant, Santa Clara, CA, sdfraser@acm.org
Willem-Jan van den Heuvel, InfoLab, Tilburg University, Tilburg, The Netherlands, W.J.A.M.vdnHeuvel@uvt.nl

This poster will be a report of the results of the workshop of the same title. The workshop addresses two important situations in the creation and evolution of long-lived software systems: how to renew an old software system and how to manage a software system that demands constant change and growth. In both situations, it is a challenge to manage the evolution process. The workshop will discuss a set of techniques and tools for software evolution that can contribute to success.

Engineering and Reusing Stable Atomic Knowledge (SAK) patterns

Haitham Hamza, University of Nebraska-Lincoln, hhamza@cse.unl.edu
Mohamed Fayad, San José State University, m.fayad@sjsu.edu

Reusing domain-independent knowledge might be hindered if such knowledge is presented as an integral part of domain specific components. This poster presents the concept of Stable Atomic Knowledge (SAK) patterns. A SAK pattern presents a domain-independent knowledge in such a way that makes this knowledge reusable whenever it is needed.

Extracting Domain-Specific and Domain-Independent Patterns

Haitham Hamza, University of Nebraska-Lincoln, hhamza@cse.unl.edu
Ahmed Mahdy, University of Nebraska-Lincoln, amahdy@cse.unl.edu
Mohamed Fayad, San José State University, m.fayad@sjsu.edu
Marshall Cline, MT Systems Co., cline@ parashift.com

There are no mature guidelines or methodologies exist for extracting patterns. Software Stability Model can provide a base for extracting patterns. This poster presents the concept of extracting both domain-specific and domain- independent patterns from systems that are built using software stability concepts.

An Approach to Monitor Application States for Self-Managing (Autonomic) Systems

Hoi Chan, IBM T.J Watson Research Center, IBM Corp., hychan@us.ibm.com
Trieu Chieu, IBM T.J Watson Research Center, IBM Corp., tchieu@us.ibm.com

Monitoring the states of an application is an important part of building applications with self-managing behaviors. The problem lies on those applications where no source code is available to add monitoring functions, or modification is expensive. In this report, we will describe an Aspect Oriented Programming based approach to build generic monitoring systems for legacy applications

The "Killer Examples" for Design Patterns and Objects First workshops held at OOPSLA 2002 and 2003

Carl Alphonce, University at Buffalo, SUNY, alphonce@cse.buffalo.edu
Stephen Wong, Rice University, swong@cs.rice.edu
Dung Nguyen, Rice University, dxnguyen@cs.rice.edu
Phil Ventura, University at Buffalo, SUNY, pventura@cse.buffalo.edu
Michael Wick, University of Wisconsin - Eau Claire, wickmr@uwec.edu

A killer app is an "application that actually makes a sustaining market for a promising but under-utilized technology." [The Jargon File] A "killer example" provides clear and compelling motivation for some concept. This poster reports on OOPSLA2002 and OOPSLA2003 workshops exploring "killer examples" for teaching design patterns and objects-first.

Patterns in Retrospectives

Linda Rising, Independent consultant, risingl@acm.org
Mary Lynn Manns, University of North Carolina at Asheville, manns@unca.edu

Retrospectives are important, not only for object technology, but for any human activity. Our workshop will begin documenting patterns for retrospectives and proposing an initial pattern language structure. The poster will present the skeleton outline of the fledgling pattern language and the patterns that will have been presented.

Model Driven Architecture Development Approach for Pervasive Computing

Kai Hemme-Unger, DaimlerChrysler, kai.hemme-unger@web.de
Thomas Flor, DaimlerChrysler, thomas.flor@daimlerchrysler.com
Walter Niess, DaimlerChrysler, walter.niess@daimlerchrysler.com
Gabriel Vögler, DaimlerChrysler, gabriel.voegler@daimlerchrysler.com

The evaluation of a model driven architecture development approach on the project derived from the need to shorten the time-to-market and to improve the software quality. This seems to be reachable by applying application knowledge ex post to afore implemented building blocks.

A Framework to Enable User Directed Component Binding at Run-Time

Timothy Troup, University of Glasgow, troup@dcs.gla.ac.uk
Iain Darroch, University of Glasgow, darrochi@dcs.gla.ac.uk

Currently experimental scientists must perform time consuming and error-prone tasks to drive a series of computational data analyses. We have designed and implemented a novel framework that obviates the need for these tasks to be performed by enabling user directed component binding at run-time.

Using Language Interpreters as Tools for Learning Different Programming Paradigms

Arlindo da Conceicao, University of São Paulo, Brazil, arlindo@ime.usp.br
Edson Sussumu, University of São Paulo, Brazil, susumu@ime.usp.br
Ariane Lima, University of São Paulo, Brazil, ariane@ime.usp.br
Marcelo Brito, University of São Paulo, Brazil, mbrito@ime.usp.br
Jorge Del Teglia, University of São Paulo, Brazil, jorge@linux.ime.usp.br

We present a framework for implementing educational language interpreters. The architecture of the system was planned to highlight paradigm similarities and differences and also to offer clean object-oriented design. The framework includes classes to implement the functional (including closures and delayed evaluation), object-oriented, and logic programming paradigms.

The Third OOPSLA Workshop on Domain-Specific Modeling

Jeff Gray, University of Alabama at Birmingham (UAB), gray@cis.uab.edu
Matti Rossi, Helsinki School of Economics, mrossi@hkkk.fi
Juha-Pekka Tolvanen, MetaCase Consulting, jpt@metacase.com

This poster describes a framework for implementing domain-specific visual modeling languages and summarizes industrial experiences from the use of domain-specific languages. The results of the Third OOPSLA Workshop on Domain-Specific Modeling will also be reported in this poster.

Teaching Software Testing: Automatic Grading Meets Test-First Coding

Stephen Edwards, Virginia Tech, Dept. of Computer Science, edwards@cs.vt.edu

A new approach to teaching software testing is proposed: students use test-driven development on programming assignments, and an automated grading tool assesses their testing performance and provides feedback. The basics of the approach, screenshots of the system, and a discussion of industrial tool use for grading Java programs are discussed.

Modular Quality of Service-enabled Management Service for Component-based Distributed Systems

Octavian Ciuhandu, Performance Engineering Laboratory, ciuhandu@eeng.dcu.ie
John Murphy, Performance Engineering Laboratory, murphyj@eeng.dcu.ie

We present a modular QoS-enabled load management framework for component oriented middleware. It offers the possibility of selecting the optimal load distribution algorithms and changing the load metrics at runtime. The QoS service level agreements are made at user level, transparent to the managed application. According to the complexity of the managed application, only some of the modules might be required, thus activated.

An AspectJ-Enabled Eclipse Core Runtime

Martin Lippert, University of Hamburg & it-Workplace Solutions Ltd., lippert@acm.org

The poster shows the ideas and techniques behind a combination of the world of Eclipse plugins and AspectJ, for example implementing logging as a separated plugin. Load-time weaving techniques integrated into the Eclipse runtime allow the development of aspects that modularize crosscutting concerns across plugin boundaries.

MRI Visual Analyzer: a comparative study of different analysis and design modeling methods

Elham Yavari, Graduate student, College of Engineering, San José State University, e_yavari@yahoo.com
Mohamed Fayad, Professor of Computer Engineering, College of Engineering, San José State University, mfayad@sjsu.edu

In order to show the importance of analysis and design methods, we chose a problem statement (MRI visual analyzer) and developed two class diagrams based: traditional OO and software stability methods (SSM). Qualitative comparison between the two model shows that SSM improves the model simplicity, completeness and stability.

A Proposed Framework for the Provision of e-Learning in Programming

Marie-Helene Ng Cheong Vee, Birkbeck College, University of London, gngch01@dcs.bbk.ac.uk

We present a proposed framework for the provision of e-learning in programming and teaching programming irrespective of paradigm and language. The framework, consisting of set of integrated components provides course management, collaborative learning, an Intelligent Tutoring System, and computer-assisted creation of re-usable Learning Objects - all in the context of the Inverse Curriculum.

Metamodeling Approach to Model Transformations

Sheena Judson, Louisiana State University, sheena.judson@att.net
Doris Carver, Louisiana State University, carver@csc.lsu.edu
Robert France, Colorado State University, france@cs.colostate.edu

Model Driven Architecture (MDA), which supports the development of software-intensive systems through the transformation of models to executable components and applications, requires a standard way to express transformations. This poster describes an approach based on rigorous modeling of well-defined pattern-based model transformations at the metamodel level.

Multicodes: Optimizing Virtual Machines using Bytecode Sequences

Ben Stephenson, The University of Western Ontario, ben@csd.uwo.ca
Wade Holst, The University of Western Ontario, wade@csd.uwo.ca

A virtual machine optimization technique that makes use of bytecode sequences is introduced. The process of determining candidate sequences is discussed and performance gains achieved when applied to a Java interpreter are presented. The suitability of this optimization for JVMs that perform just-in-time compilation is also discussed.

Distributed Object Inheritance to Structure Distributed Applications

Jessie Dedecker, Vrije Universiteit Brussel, jededeck@vub.ac.be
Thomas Cleenewerck, Vrije Universiteit Brussel, tcleenew@vub.ac.be
Wolfgang De Meuter, Vrije Universiteit Brussel, wdmeuter@vub.ac.be

Prototype-based languages (PBLs) are good at sharing information between objects, while sharing is a ubiquitous problem in distributed application programming (due to concurrency and partial failures). New language concepts can exploit the advantages of PBLs to ease the distribution problems and help express distributed communication patterns.