The journal of Computer and Knowledge Engineering is founded by the Department of Computer Engineering, Ferdowsi University of Mashhad. It is published twice a year. The journal materials are available both on-line and in printed form. Submission of manuscripts not published before and not being under review by any other journals are encouraged. The authors are welcomed to upload their articles in either pdf or doc file format using the journal’s website. Accepted papers will be formatted by the governing body of the journal to comply with its standards. All submitted papers are single-blind peer reviewed by at least two different reviewers. The journal is very vigilant against any kind of plagiarism and all papers will be checked to make sure all aspects of intellectual property rights are respected. Until the Journals own guidelines on this subject is developed it will use “ACM Policy and Procedures on Plagiarism” policies.