Functions of Information Retrieval
1. Acquisition - To collect information from various sources
2. Content Analysis - To analyze the acquired information
3. Content Presentation - A system for presenting information to the user
4. Creation of File/Store - Authority creates a new file for storing their collected information
5. Creation of Search Method - Authority decide what kind of search logic used for searching & retrieving information
6. Dissemination - Authority disseminate information to the user by a systematic way