Second generation micropayment systems: lessons learned.

Róbert Párhonyi Lambert J. M. Nieuwenhuis Aiko Pras

Published in: I3E (2005)

Keyphrases

lessons learned
future directions
case study
management system
grounded theory
knowledge based systems
complex systems
participatory design
machine learning
learning algorithm
search engine
database systems
computer systems
building blocks
computing systems
design science