Information, now, has come to occupy a pivotal role, to be reckoned as a driving
force, for all human development. Therefore, the information created from
different sources needs to be processed, retrieved, and kept ready to be served
to the world of users, who wants to know in order to use it. An attempt has been
made here to present an integrated view of the subject of information processing
and retrieval. However, this volume gives only an introduction about them. The
purpose has been mainly to help in the creation of such a tool, which helps in
making information available and thus provide an effective communication