Radical Shift from OPAC to Federated Search Engine in Language Diversified Community

The aim of this paper is to analyze functions of federated search engine. In these days of science and technological revolution, lots of sources are emerged and the literature is scattered in various sources and it is very difficult for users to spend so much of time in searching relevant literature, in this situation federated search engine will help to overcome with this problem. The paper also describes how libraries can integrate their multi-lingual databases in the federated search platform. The paper describes viewpoints in implementation of federated search engines. The paper also provides advantages and shortcomings of federated search engines.