A Business Model (BM) development methodology in ubiquitous computing environments

Security threats and their countermeasures of mobile portable computing devices in ubiquitous computing environment

Security threats and their countermeasures of mobile portable computing devices in ubiquitous computing environments

Implementation of the Security System for Instant Messengers

Architecture of authentication mechanism for emerging T-commerce environments

A case study on the real-time click stream analysis system

Security of the internet-based instant messenger: Risks and safeguards

An improvement of response speed for electronic commerce systems

A process-centered IT ROI analysis with a case study

ACASH: 웹 객체의 이질성과 참조특성 기반의 적응형 웹 캐싱 기법