Title	Rapid Mobile Development: Build Rich, Sensor-Based Applications using a MDA approach
Author	Mohamed LACHGAR and Abdelmouna?m ABDALI
Citation	Vol. 17  No. 4  pp. 274-283
Keywords	Model Driven Architecture Sensors Domain Specific Language Mobile development

Title	A Survey on Security Architecture and Key Management Systems in a Wireless Sensor Network
Author	Sunil Kumar, C. Rama Krishna and A. K. Solanki
Citation	Vol. 17  No. 4  pp. 263-273
Keywords	Cryptography, hash function, pattern generation, symmetric/asymmetric key, data security architecture, key management system.

Title	Autism Detection using Computer Vision
Author	Najeed Ahmed Khan, M. Ajmal Sawand, Maryam Qadeer, Anum Owais, Sarah Junaid, Phunparah Shahnawaz
Citation	Vol. 17  No. 4  pp. 256-262
Keywords	Autism Spatio-temporal sensitivity Body symmetry Humero-radial angles Autistic Echolalia.

Title	An Evolution to Next Generation Heterogeneous Cellular Networks
Author	Mahmood Adnan, Shadi M. S. Hilles, Wael M. S. Yafooz
Citation	Vol. 17  No. 4  pp. 251-255
Keywords	4G Technology, Next Generation Cellular Networks, Heterogene-ous Networking.