Title	Energy Efficient Hierarchical Cluster-Based Routing for Wireless Sensor Networks
Author	Shideh Sadat Shirazi, Aboulfazl Torqi Haqiqat
Citation	Vol. 16  No. 4  pp. 115-119
Keywords	Cluster, routing, wireless sensor networks

Title	Review: Recent Structure-From-Motion Algorithms 3D Shape Reconstruction
Author	K. Punnam Chandar T. Satya Savithri
Citation	Vol. 16  No. 4  pp. 107-114
Keywords	Similarity Transform, 3D Reconstruction, Face Recognition, Structure From Motion, GA, cICA, NlS Optimization.

Title	Performance Analysis of TCP Variants
Author	Abhishek Sawarkar, Himanshu Saraswat
Citation	Vol. 16  No. 4  pp. 102-106
Keywords	throughput, latency, drop rate, NS-2,

Title	A Smart Visitors’ Notification System with Automatic Secure Door Lock using Mobile Communication Technology
Author	Marwa Khalid, Sadia Majeed
Citation	Vol. 16  No. 4  pp. 97-101
Keywords	SMS, E-mail, GSM modem, authenticate, face recognition, authorized.