CSC

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If the advertising appears in a box on the page, it is usually called

search filters search filters

Many search engines allow you to restrict your search by using

results pages

Web pages that list hyperlinks to the Web pages containing text that matches your search expression

A hit

a Web page that is indexed in the search engine's database and that contains text that matches a specific search expression

Wikipedia

a Web site that hosts a community-edited set of online encyclopedias in more than a dozen different languages

A Web robot

a program that automatically searches the Web to find new Web sites and update information about old Web sites that are already in the database

specific question

a question that you can phrase easily and one for which you will recognize the answer when you find it

Page ranking

a way of grading Web pages by the number of other Web pages that link to them

natural language query interface

allows users to enter a question exactly as they would ask a person that question

A wildcard character

allows you to omit part of a search term

explanatory question

an open-ended question that can be harder to phrase; it also is difficult to determine when you find a good answer

Boolean operators

are a key part of Boolean algebra

Deep Web, hidden Web, and invisible Web

are terms for the information contained in the databases that some Web sites use to generate dynamic pages

Inbound links

are the connections or links from other pages

A precedence operator, also called an inclusion operator or a grouping operator

clarifies the grouping within a complex expression and is usually indicated by the parentheses symbols

meta tag

is HTML code that a Web page creator places in the page header for the specific purpose of informing Web robots about the content of the page

A Web search engine

is a Web site (or part of a Web site) that finds other Web pages that match a word or phrase you enter

A Web directory

is a listing of hyperlinks to Web pages that is organized into hierarchical categories

static Web page

is an HTML file that exists on a Web server computer

Boolean algebra

is the branch of mathematics and logic in which all values are reduced to one of two values

location operator, or proximity operator

lets you search for terms that appear close to each other in the text of a Web page

A paid placement

the right to have a link to your Web site appear on the search results page when a user enters as specific search term

stemming

to search for variants of keywords automatically

dead link

A hyperlink to a Web page that no longer exists or has been moved to another URL is called

full text indexing engines

Search engines that store a Web page's full contents are called

hybrid search engine directory

The combination of search engine and directory is sometimes called

parsing

The procedure of converting a natural language question into a search expression is sometimes

search expression

The word or phrase you enter in a search engine is called a


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