| A | B |
|---|
| Individual search engine | uses computer programs called “spiders”, “crawlers”, or “robots” to match key search words with the web pages that contain them |
| Meta-search engine | sends requests for information to several search engines simultaneously and compiles the results |
| Subject directories | searchable databases that are developed and maintained by human selection of sites to search broad subject categories and their descriptions |
| Subject directories | Used in research and often linked to library systems |
| Keyword | 1. Unique phrases or terms (search string) and Synonyms or word variations |
| Field | A search parameter, such as a title, genre, date of publication |
| Boolean logic | Uses operators with keywords to narrow search parameters |
| Boolean logic | Operators include AND, OR, and quotation marks |
| Different language support | searches for words in different languages |
| Spell checker | gives suggestions if the word keyed for the search is spelled incorrectly |
| Phonebook | uses phone numbers to search for locations and addresses |
| Math/equivalents | solves basic math problems and converts equivalents |
