Query Centric Information Retrieval System Vs Context Sensitive Information Retrieval System

World Wide Web is rich and diverse resource of information and information retrieval tries to acquire data from these resources as per user intention. Information retrieval system (IRS) is categorized into two types namely query centric IR (QIR) and context sensitive IR (CIR). This paper presents differentiating points of both IRs and various approaches to incorporate context in information retrieval systems. It has three main classes and five subclasses.