Monday, September 4, 2000


08.45 - 09.00  Opening of  DEXA, DaWaK and EC-Web


09.00 - 10.00  Invited Talk

A Foolish Consistency: Technical Challenges in Consistency Management

Anthony Finkelstein, University College London, United Kingdom


      10.00 - 10.30 Coffee Break


Session 1A:    Web Application Design

10.30 - 12.00

Session Chair: Albero Laender


Construction of Adaptive Web-Applications from Reusable Components

Graef G., Gaedke M.; Germany


The WebConsultant - a Flexible Framework for Dynamic Web Applications

Turk A., Farnschläder F., Silberhorn H.,  Stoyan H., Kreutter S.; Germany


Security of Electronic Business Applications - Structure and Quantification

Knorr K., Röhrig S.; Switzerland


Session 1B:    Intellectual Property Rights

10.30 - 12.00

Session Chair: Mikel Burmester


Towards a Secure and De-centralized Digital Watermarking Infrastructure for the Protection of Intellectual Property

Tomsich P., Katzenbeisser S.; Austria


Selling Bits: A Matter of Creating Consumer Value

Gordijn J., Akkermans H., van Vliet H., Paalvast E.; The Netherlands


A Secure Electronic Software Distribution (ESD) Protocol based on PKI

Lee S.-M., Lee H.-W., Kim T.-Y.; Korea


      12.00 - 14.00 Lunch


Session 2A:    Security and Fairness

14.00 - 15.30

Session Chair: Günther Pernul


An Equitably Fair On-line Auction Scheme

Magkos E., Burmester M., Chrissikopoulos V.; United Kingdom       


An Optimistic Fair Exchange E-commerce Protocol with Automated Dispute Resolution

Ray I., Ray I.; USA


Secure PC-Franking for Everyone

Bleumer G.; Germany


Session 2B:    Distributed Organisations

14.00 - 15.30

Session Chair: Wolfgang Essmayr


Contracts for Cross-Organizational Workflow Management

Koetsier M., Grefen P., Vonk J.; The Netherlands


AllianceNet: Information Sharing, Negotiation and Decision-Making for Distributed Organizations

Andreoli J.M., Castellani S., Munier M.; France


MIERA: Method for Inter-Enterprise Role-Based Authorization

Ludwig H., O`Connor L., Kramer S.; Switzerland


      15.30 - 16.00 Coffee Break


Session 3:       Web Usage Analysis

16.00 – 18.00

Session Chair: Aphrodite Tsalgatidou


Visualization and Analysis of Clickstream Data of Online Stores with a Parallel Coordinate System

Lee J., Podlaseck M.; USA


An Heuristic to Capture Longer User Web Navigation Patterns

Borges J., Levene M.; United Kingdom


Integrating Web Usage and Content Mining for More Effective Personalization

Mobasher B., Dai H., Luo T., Sun Y., Zhu J.; USA


Extending Content-Based Recommendation by Order-Matching and Cross-Matching Methods

Hirooka Y., Terano T., Otsuka Y.; Japan