Document worth reading: “Query Expansion Techniques for Information Retrieval: a Survey”

With the ever rising measurement of web, associated data extraction on the Internet with a query formed by a few key phrases has flip into a big downside. To overcome this, query enlargement (QE) performs a important operate in bettering the Internet searches, the place the patron’s preliminary query is reformulated to a new query by together with new important phrases with comparable significance. QE — as a a part of data retrieval (IR) — has prolonged attracted researchers’ consideration. It has moreover flip into very influential inside the space of personalised social doc, Question Answering over Linked Data (QALD), and, Text Retrieval Conference (TREC) and REAL items. This paper surveys QE methods in IR from 1960 to 2017 with respect to core methods, information sources used, weighting and ranking methodologies, shopper participation and functions (of QE methods) — bringing out similarities and variations. Query Expansion Techniques for Information Retrieval: a Survey