^* 2012 edition was co -organized by the Faculty of Sciences Dhar Mahraz, the Faculty of Technical Sciences of Fez and the University of Sidi Mohamed Ben Abdellah. IEEE CIST is emerging as a key annual event that aims to serve as a forum to promote the exchange of the latest advances achieved by IT researchers, I T decision makers, IT managers, application designers and software engineers in the do main of information science and related technology. Computing challenges, models, applications and IT solutions are discussed from the perspectives of academia, industry and government. IEEE CIST also provide a platform for supporting innovative a nd original contributions. We would like to extend our most sincere thanks and gratitude to the academic and industrial keynote speaker s of CIST’12 for their important added v alue to this edition and to the Scientific Committee Members who helped us in the review process. We would like also to express our thanks to the IEEE Computer Society for their supp ort through their Distinguished Lecturers Programs. We are also very glad to express our most sincere gratitude to the editors of the IJCSIS, Pedro Isaias and Marcin Paprzycki, for accepting the publication of a special issue that contains the extended versions of the most ranked papers presented at the 2012 CIST conference. The Editorial Board Mohammed El Mohajir, Faculty of sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco Ahlame Begdouri, Faculty of technical sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco Badreddine El Mohajir, Faculty of sciences, Univeristy of Abdelmalek Essaadi, Tetuan, Morocco Arsalane Zarghili, Faculty of technical sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco (Portugal)

^* 2012 edition was co -organized by the Faculty of Sciences Dhar Mahraz, the Faculty of Technical Sciences of Fez and the University of Sidi Mohamed Ben Abdellah. IEEE CIST is emerging as a key annual event that aims to serve as a forum to promote the exchange of the latest advances achieved by IT researchers, I T decision makers, IT managers, application designers and software engineers in the do main of information science and related technology. Computing challenges, models, applications and IT solutions are discussed from the perspectives of academia, industry and government. IEEE CIST also provide a platform for supporting innovative a nd original contributions. We would like to extend our most sincere thanks and gratitude to the academic and industrial keynote speaker s of CIST’12 for their important added v alue to this edition and to the Scientific Committee Members who helped us in the review process. We would like also to express our thanks to the IEEE Computer Society for their supp ort through their Distinguished Lecturers Programs. We are also very glad to express our most sincere gratitude to the editors of the IJCSIS, Pedro Isaias and Marcin Paprzycki, for accepting the publication of a special issue that contains the extended versions of the most ranked papers presented at the 2012 CIST conference. The Editorial Board Mohammed El Mohajir, Faculty of sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco Ahlame Begdouri, Faculty of technical sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco Badreddine El Mohajir, Faculty of sciences, Univeristy of Abdelmalek Essaadi, Tetuan, Morocco Arsalane Zarghili, Faculty of technical sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco (Portugal)

^* 2012 edition was co -organized by the Faculty of Sciences Dhar Mahraz, the Faculty of Technical Sciences of Fez and the University of Sidi Mohamed Ben Abdellah. IEEE CIST is emerging as a key annual event that aims to serve as a forum to promote the exchange of the latest advances achieved by IT researchers, I T decision makers, IT managers, application designers and software engineers in the do main of information science and related technology. Computing challenges, models, applications and IT solutions are discussed from the perspectives of academia, industry and government. IEEE CIST also provide a platform for supporting innovative a nd original contributions. We would like to extend our most sincere thanks and gratitude to the academic and industrial keynote speaker s of CIST’12 for their important added v alue to this edition and to the Scientific Committee Members who helped us in the review process. We would like also to express our thanks to the IEEE Computer Society for their supp ort through their Distinguished Lecturers Programs. We are also very glad to express our most sincere gratitude to the editors of the IJCSIS, Pedro Isaias and Marcin Paprzycki, for accepting the publication of a special issue that contains the extended versions of the most ranked papers presented at the 2012 CIST conference. The Editorial Board Mohammed El Mohajir, Faculty of sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco Ahlame Begdouri, Faculty of technical sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco Badreddine El Mohajir, Faculty of sciences, Univeristy of Abdelmalek Essaadi, Tetuan, Morocco Arsalane Zarghili, Faculty of technical sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco (Portugal)

^* 2012 edition was co -organized by the Faculty of Sciences Dhar Mahraz, the Faculty of Technical Sciences of Fez and the University of Sidi Mohamed Ben Abdellah. IEEE CIST is emerging as a key annual event that aims to serve as a forum to promote the exchange of the latest advances achieved by IT researchers, I T decision makers, IT managers, application designers and software engineers in the do main of information science and related technology. Computing challenges, models, applications and IT solutions are discussed from the perspectives of academia, industry and government. IEEE CIST also provide a platform for supporting innovative a nd original contributions. We would like to extend our most sincere thanks and gratitude to the academic and industrial keynote speaker s of CIST’12 for their important added v alue to this edition and to the Scientific Committee Members who helped us in the review process. We would like also to express our thanks to the IEEE Computer Society for their supp ort through their Distinguished Lecturers Programs. We are also very glad to express our most sincere gratitude to the editors of the IJCSIS, Pedro Isaias and Marcin Paprzycki, for accepting the publication of a special issue that contains the extended versions of the most ranked papers presented at the 2012 CIST conference. The Editorial Board Mohammed El Mohajir, Faculty of sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco Ahlame Begdouri, Faculty of technical sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco Badreddine El Mohajir, Faculty of sciences, Univeristy of Abdelmalek Essaadi, Tetuan, Morocco Arsalane Zarghili, Faculty of technical sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco (Portugal)

^* 2012 edition was co -organized by the Faculty of Sciences Dhar Mahraz, the Faculty of Technical Sciences of Fez and the University of Sidi Mohamed Ben Abdellah. IEEE CIST is emerging as a key annual event that aims to serve as a forum to promote the exchange of the latest advances achieved by IT researchers, I T decision makers, IT managers, application designers and software engineers in the do main of information science and related technology. Computing challenges, models, applications and IT solutions are discussed from the perspectives of academia, industry and government. IEEE CIST also provide a platform for supporting innovative a nd original contributions. We would like to extend our most sincere thanks and gratitude to the academic and industrial keynote speaker s of CIST’12 for their important added v alue to this edition and to the Scientific Committee Members who helped us in the review process. We would like also to express our thanks to the IEEE Computer Society for their supp ort through their Distinguished Lecturers Programs. We are also very glad to express our most sincere gratitude to the editors of the IJCSIS, Pedro Isaias and Marcin Paprzycki, for accepting the publication of a special issue that contains the extended versions of the most ranked papers presented at the 2012 CIST conference. The Editorial Board Mohammed El Mohajir, Faculty of sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco Ahlame Begdouri, Faculty of technical sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco Badreddine El Mohajir, Faculty of sciences, Univeristy of Abdelmalek Essaadi, Tetuan, Morocco Arsalane Zarghili, Faculty of technical sciences, University of Sidi Mohamed Ben Abdellah, Fez, Morocco (Portugal)