This special issue of “Journal of Computing and Security” provides the opportunity for researchers and product developers to review and discuss the requirements, state-of-the-art and trends of new computing models. We strongly encourage researchers to submit their outstanding papers to this special issue. Papers on theoretical, practical, and methodological issues in this subject are welcome.

We invite authors to submit their original papers describing research in all aspects of mobile, ubiquitous and cloud computing as well as related computing models. Topics of interest are included but not limited to:

· Architectural issues of middleware for new computing models
· Operating system support for new computing models
· Common trends of ubiquitous and cloud computing
· Mobile cloud computing
· Ubiquitous cloud computing
· Mobility issues in new computing models
· Expandability & scalability issues in new computing models
· Software engineering techniques for new computing models
· Software development methodology for new computing models
· Evaluating methods of application and middleware for new computing models
· Embodiments of middleware for new computing models
· programming languages for new computing models
· Context-awareness
· Context acquisition
· Quality of context assessment
· Context distribution/dissemination/provision
· Query-based languages for context retrieval
· Context modeling/reasoning
· Privacy protection in new computing models
· Context provenance
· Context-aware mobile programming
· Context-aware applications and systems
· Service management in new computing models
· Mobile crowd sensing
· Ubiquitous commerce

Submission

Manuscripts must not have been previously published or be submitted for publication elsewhere. Each submitted manuscript must include title, authors’ names, affiliations, postal and email addresses, a list of keywords, and an extended paper. Manuscripts should be submitted electronically at http://www.jcomsec.org and indicate “Special issue on New Generation Computing” in the submission form and the cover page. All papers will be peer reviewed, and acceptance will be based on quality, relevance and originality.