International Journal of Computer Applications
World Wide Web (WWW) or simply web is interconnection of hypertext documents through internet and accessed with the help of web browser. There are varieties of web browsers now available through which one can access web search results that may yield text, image, videos and other multimedia. The web search is enabled by navigating hyperlinks in a webpage or through search engines or by web programming. A search query is distinctive as plain text or hypertext with optional search-directives (such as \"And\"/\"Or\" with \"-\" to exclude). The search queries are classified mainly in four types as informational queries, navigational queries, transactional queries and connectivity queries.