Title	Dragonfly Estimator: A Hybrid Software Projects’ Efforts Estimation Model using Artificial Neural Network and Dragonfly Algorithm
Author	Qais M. Yousef*, Yasmeen A. Alshaer, Noor K. Alhammad
Citation	Vol. 17  No. 9  pp. 108-120
Keywords	effort estimation, software projects, software development, swarm intelligence, artificial intelligence

Title	ST Segment Analysis Using Wavelet Transform
Author	Rachid HADDADI1, Elhassane ABDELMOUNIM1, Mustapha EL HANINE1, Abdelaziz BELAGUID2
Citation	Vol. 17  No. 9  pp. 102-107
Keywords	ECG, DWT, QRS detection, ST segment, isoelectric line.

Title	Energy efficient approach for target tracking in Wireless Sensor Networks
Author	Asmaa Ez-zaidi † and Said Rakrak †
Citation	Vol. 17  No. 9  pp. 95-101
Keywords	Wireless Sensor Networks, Target tracking mobile object tracker recovery prediction energy consumption target loss

Title	Enhancing the Effectiveness of clustering using User Preferences and Voting/Rating
Author	Y. Subba Reddy, Dr. V. Tanuja and Prof. P. Govindarajulu
Citation	Vol. 17  No. 9  pp. 85-94
Keywords	Similarity between objects, similarity search computations, top-k queries, reverse top-k queries, and other k-nearest neighbor queries, database queries, database operations, attribute values, customer voting/rating/preferences.