III. GRID-BASED INFORMATION RETRIEVAL
Grid-based information retrieval is capable of searching vast amounts of geographically distributed information, which in many cases could not be searched effectively, if at all, by a
traditional search engine such as those available on the web. The types of documents that Grid-based search engine will process include unstructured text and heterogeneously structured text in the form of text files, web pages, and text stored in databases. It will have three key characteristics: