Search Engines: tools for hypermedia search and retrieval

Define Free Text Searching: Searching for the occurence of more words within a passage or page

e.g HSC 2006 Question 11
Answer: C

Operations of a Search Engine:

• Web Directories: where humans categorise a webpage based on information supplied by the creator.
• Meta Search Engine: sites that submit search criteria to multiple search engines and the compile the results
• Search Engines: - Crawls the web to locate pages
                           - Index and rank pages - creates webpage summaries, index of words, links database
                           - Analys search criteria - rules are applied to the search criteria to optimise the search
                           - Retrieving suitably ranked pages