An Optimization Technique for Unsupervised Automatic Extractive Bug Report Summarization -- Prediction of Air Quality Using Time Series Data Mining -- Stress Analysis Using Speech Signal -- Leaf identification using HOG, KNN and Neural Networks -- Information Retrieval on Green Mining Dataset using Divergence from Randomness Models -- Arrhenius Artificial Bee Colony Algorithm -- Big Data in Health Care -- Halftoning Algorithm Using Pull Based Error Diffusion Technique -- Towards an Evolved Information Food Chain of World Wide Web and Taxonomy of Semantic Web Mining -- Topic Oriented Multi Document Summarization Using LSA, Syntactic and Semantic Features -- A Novel Framework for Automated Energy Meter Reading and Theft Detection -- Comparative Analysis of Privacy Preserving Data Mining Techniques.