Provided by: Kurukshetra University
Date Added: Jun 2012
Retrieval of relevant documents from a large collection of web contents is done through information retrieval system. Relevancy of a page can be calculated with the use of similarity measure. Thus, similarity measures ranks the pages according to the relevancy of each page and helps the information retrieval system to present to the users the more relevant pages earlier in response to a query. In this paper a general frame of Information Retrieval system and search engines are discussed. Various Information retrieval models and types of similarity measures are also presented.