Title	SDACQ: Secure Data Aggregation for Coexisting Queries in Wireless Sensor Networks
Author	E G Prathima, Venugopal K R, S S Iyengar and L M Patnaik
Citation	Vol. 17  No. 4  pp. 205-214
Keywords	Coexisting queries, Data Aggregation, Homomorphic encryption, Sink authentication WSN.

Title	Mathematical model for Conveyor belt 1600mm
Author	Naim Baftiu
Citation	Vol. 17  No. 4  pp. 199-204
Keywords	Model, Tape, capacity, slope, consumption.

Title	Multi-Objective examination Timetabling Problem: Modeling and resolution using a based ε-constraint method
Author	DKHISSI Btissam and ABOUNACER Rachida
Citation	Vol. 17  No. 4  pp. 192-198
Keywords	Multi-objective optimization, Examination timetabling problem, ε-constraint method.

Title	Performance Evaluation of an Eye Tracking System under Varying Conditions
Author	Arpita Ray Sarkar, Goutam Sanyal and Somajyoti Majumder
Citation	Vol. 17  No. 4  pp. 182-191
Keywords	Face detection Eye tracking Haar-like features Hough circle Stroke Rehabilitation