| The Internet is a veritable smorgasbord of | | | | well as words that appear frequently all through |
| information, where you can find everything you | | | | the document. This is simply because the spiders |
| wanted to know on just about anything. There | | | | focus on key words that appear to be significant. |
| are millions of pages existing on the web and | | | | When keyword searches do not work While using |
| billions more being posted everyday. How do you | | | | keywords is one of the most efficient ways of |
| ever find what you are looking for? Without using | | | | doing an Internet search, it does have a few |
| a search engine, seeking for information you want | | | | drawbacks. Keyword searches are unable to |
| from the World Wide Web is like looking for a | | | | distinguish between words that have different |
| needle in a haystack. Search engines can be used | | | | meanings but are spelled the same way such as a |
| to find anything on the Internet- from interactive | | | | hard drive, hard work or a hard rock. Keyword |
| inter-state driving maps to finding the best yoga | | | | searches are unable to include other words that |
| therapy schools in your area, from still images to | | | | mean the same and would actually enhance your |
| video movies. How search engines work Search | | | | search. If you did a search on pulmonary disease, |
| engines employ software programs commonly | | | | the search would not come up with documents |
| known as spiders or crawlers to discover new | | | | that had the word 'lung' instead of 'pulmonary'. |
| sites. This information is sent back to the main | | | | This means you would not have access to |
| site where it is indexed. Different search engines | | | | valuable information. On some search engines, a |
| differ in how comprehensively and quickly they | | | | keyword search would differentiate lower case |
| carry out the necessary search. As a rule, most | | | | from upper case, eliminating even more results |
| search engines pay more attention to words that | | | | based on mere capitalization of words. |
| appear towards the start of the document as | | | | |