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ICALT
2005
IEEE
15 years 3 months ago
Designing Web-Based Interactive Learning Environments for Problem-Based Learning
Problem-based learning is a pedagogical strategy that centers learning activities around the investigation and development of solutions to complex and ill-structured authentic pro...
Lin Qiu, Christopher Riesbeck
ETS
2000
IEEE
126views Hardware» more  ETS 2000»
14 years 9 months ago
Dynamic Goal-Based Role-Play Simulation on the Web: A Case Study
This paper outlines and discusses the pedagogical approach, the technical design architecture, and an innovative implementation of a collaborative role-play simulation technology ...
Som Naidu, Albert Ip, Roni Linser
ECOWS
2008
Springer
14 years 11 months ago
Validating Orchestration of Web Services with BPEL and Aggregate Signatures
In this paper, we present a framework providing integrity and authentication for secure workflow computation based on BPEL Web Service orchestration. We address a recent cryptogra...
Carlo Blundo, Emiliano De Cristofaro, Clemente Gal...
PERCOM
2005
ACM
15 years 9 months ago
A Capability-Based Privacy-Preserving Scheme for Pervasive Computing Environments
Pervasive computing is a future technology that provides a user with the capability to compute and communicate from everywhere. In a pervasive computing environment, a user interac...
Divyan M. Konidala, Dang Nguyen Duc, Dongman Lee, ...
ICNSC
2007
IEEE
15 years 4 months ago
A New Anti-Spam Protocol Using CAPTCHA
— Today sending spams has turned to be a major problem in the Internet. It is so serious that more than 80% of the transferred emails are spams. As a result, various methods have...
Sajad Shirali-Shahreza, Ali Movaghar