Title	A Keyword Search Based Enhanced Spatially Inverted Index List For The Health Data Retrieval
Author	Sunil Kumar Reddy, Dr.P.Govindarajulu
Citation	Vol. 18  No. 2  pp. 39-47
Keywords	Information Retrieval, Query Searching, Similarity Index (SI), Enhanced Spatially Inverted Index List (ESIIL), Term Frequency (TF), Inverse Document Frequency (IDF), and Parts of Speech (POS) Tagging.

Title	An Efficient Information Retrieval System for Unstructured Data Using Inverted Index
Author	Abdullah Iftikhar, Muhammad Irfan Khan, Kulsoom Iftikhar
Citation	Vol. 24  No. 7  pp. 31-44
Keywords	inverted index, big data, unstructured, auxiliary, algorithm