@article {625,
	title = {A Framework for Big Data Pre-processing and Search Optimization Using Hmga-aco: A Hierarchical Optimization Approach-},
	journal = {Progress in Computing Applications},
	volume = {7},
	year = {2018},
	pages = {10-25},
	author = {K. V. Rama Satish and N. P Kavya}
}
