The Internet Notes

The Internet, Section 1 Internet Search Tools Search Engines 1. Individual search engine- uses computer programs called “spiders”, “crawlers”, or “robots” to match key search words with the web pages that contain them. A. The results returned are lists of web pages and titles. B. Does not search the Internet itself, but instead searches databases of information about the internet C. Google.com, Ask.com, Yahoo, Live 2. Meta Search Engines- sends requests to several search engines simultaneously and compiles the results. AltaVista. 3. As the results are compiled, duplications are eliminated, thus yielding from results. 4. A time saver compared to a regular search engines. 5. Google custom search allows users to control their search by specifying. 6. Subject Directions- searchable database that are developed and maintained by human selection of sites to search board subject categorizes and their description. a. Used in research and often limited to library, systems, research databases. b. Mostly made up of specialized databases, such as library catalogs. c. Search for non-HTML formats.(PDF, Word, Excel, PowerPoint) d. Results in more reliable pages than search engines. e. www.infomine.ucr.edu –academic libraries f. www.lil.org – Libraries internet inbox g. www.about .com 7. EBSChost: premium online information mousers for installation a. Colleges and universities Hospitals and Corporations b. Government, K-12 schools, Public libraries 1. Librarysearch.com- a subsidiary of EBSCOhost 2. Eric(Education Resources Information Center) 3. CRIS (Current Research and Information System) 4. Incywincy.com 5. Completeoplanet.com 6. Googlescholar.com Internet Search Methods

8. Keyword- unique phrases, synonyms, and word variation a. Field- a search parameter, such as a title, date of publication, 9. Boolean logica. Uses operations with keywords to narrow such parameters b. Operations include AND, Or, and. *,+,-, Not c. And narrows results by searching for pages that contain both keywords. d. Or responds results by pages that contain either of the keyword. e. Quotation marks narrow results by searching for phrases. 10. Boolean is implied in man y search engines but still a valuable method for narrowing 11. Miscellellaneous search methods a. Different language support- searches for words in different languages b. Spell Checker- gives suggestions if the word keyed for the search is misspelled c. Phonebook: uses phone numbers to search for locations and addresses d. Math- solves basic math problems and converts equivalents