Internet Chapter 4
Using a meta-search engine lets you search several engines at the same time
- META tags exist solely for the use of search engine robots.
- The search process for a specific question with which to search the Internet is one of narrowing the field down to the answer you seek.
- Many search engines recognize the * as the wildcard character.
- A search engine may use the plus sign to indicate "must include" in a search expression.
- AND, OR, and NOT are basic Boolean operators.
- Complex search questions require complex queries, which you can use along with Boolean logic, search expression operators and filtering techniques, to broaden or narrow you search expression.
- Search engines uses Boolean operators to offer users the ability to match all of the keywords on one search and any of the keywords on a different search.
- The most important factor in getting good results from a search engine, meta-search engine, and search tool within a hybrid search engine directory is to select search terms carefully.
- The search expression "exports and France" returns hits for pages that contain both words.
- In most practical applications of Boole’s work, the values to which all other values are reduced are true and false.
- Boolean operators are also called logical operators.
- You can deliver information from Web pages you find by printing copies of the Web pages, sending the URL’s via e-mail, and saving the Web pages and attaching them to e-mail messages.
- Dogpile is a comprehensive meta-search engine.
- A meta-search engine accepts your search expression and transmits it to several search engines.
- Each search engine on the Web has different strengths and weaknesses because each search engine stores a different amount of web page text in its database, has different storage resources, and interprets search expressions somewhat differently.
- The words and, the, and it in a search expression are ignored by a search engine.
- Search engine robots collect information from a Web page’s title, description and keywords.
- The description and keyword tags in a Web page are META tags.
- Each search engine uses a spider, Web robot and bot to build its database.
- Most search engines report the number of hits they find.
- The word or phrase you enter in a search engine is called a(n) query and search expression.
- Search engines, directories and meta-search engines are broad categories of Web search tools.
- Formulate and state the question, select the appropriate tool to use in your search and evaluate the search results are all steps in the Web-searching process.
- Each of the pages on the Web may have thousands of words, images, and downloadable files.