Title	Trustworthy image security via involving binary and chaotic gravitational searching within PRNG selections
Author	Budoor Obid Al-Roithy and Adnan A. Gutub
Citation	Vol. 20  No. 12  pp. 167-176
Keywords	image encryptions; PRNG; image scrambling; image shuffling; random number generator.

Title	Practical LDPC Coding System Design ? An Overview
Author	Waheed Ullah and Nisar Ahmad Abbasi
Citation	Vol. 20  No. 12  pp. 159-166
Keywords	QC LDPC, Sum Product Algorithm, Digital Communication, Error Correction Coding, LDPC Codes.

Title	Supervised Learning Approach for Knowledge Extraction & Deci-sion-Making Process using Genome Sequence in Bioinformatics
Author	May Abdullah Almutairi and Abdul Rauf Baig
Citation	Vol. 20  No. 12  pp. 149-158
Keywords	Genome Sequence, Machine Learning, Bioinformatics, Dis-ease Prediction.

Title	Text Mining Challenges and Applications, A Comprehensive Review
Author	Dr. Muzammil Khan, Mr. Sarwarshah Khan, and Dr. Yasser Alharbi
Citation	Vol. 20  No. 12  pp. 138-148
Keywords	Text Mining, Information Extraction, Summarization, TM Challenges, TM Application