Online Information Retrieval Systems Trending From Evolutionary to Revolutionary Approach

Abstract

Nowadays we are all relying on cyberspace for our information needs. We make use of different types of search tools one is varying in features and indexing depth other. Some of them have specialization in a specific format or two, while few can crawl good portion of web irrespective of formats. Therefore it is very imperative for information professionals to have thorough understandings of these tools. As such the chapter is an endeavor to delve deep and highlight various trends in online information retrieval from primitive to modern ones. Besides, the module also made an effort to envisage the future requirements and expectation keeping in view the ever-increasing dependence on diverse species of information retrieval tools.