Types of search engine, Basic Computer Science

Assignment Help:

Types of Search Engine:  

Some of the basic categories of Search engines are : 

a. Primary Search Engines: Such search engines use web crawlers or spiders to traverse the web and scan websites for key words, phrases, to generate database of web pages having some indexing or classification. Google and Alta Vista are examples of primary search engines. 

b. Web directory: Web directories organize information into categories and subcategories or directories. You can search a web directory for all those entries that contain a particular set of keywords. Directories differ from search engines in the way they organize information. Yahoo is an example of web directory. 

c. Meta search engines: Such search engines pass your queries to many search engines and web directories and present summarized results to the users. Some of the examples of meta search engines are - Dogpile, Infind, Metacrawler, Metafind and Metasearch.  


Related Discussions:- Types of search engine

Virtual memory, What is virtual memory? How address mapping is done in cach...

What is virtual memory? How address mapping is done in cache memory? Elaborate your answer with examples.

Arrays, Write an application that stores at least five different department...

Write an application that stores at least five different department and supervisor names in a two-dimensional array. Allow the user to enter a department name (such as “Marketing”)

Unix shell and history problem, UNIX Shell and History feature. 1.Creating ...

UNIX Shell and History feature. 1.Creating a child process. 2.Creating a history feature. Its exactly "programming project 1 - Unix Shell and History Feature (p.157-159)" in the Si

Vector processing, what are the chrateristics of vector processing

what are the chrateristics of vector processing

Database management, what is the sql command to List all the join condition...

what is the sql command to List all the join conditions or join paths (pairwise) existing between tables.

Types of computer on basis of size and capabilities, Another way of classif...

Another way of classifying a computer system is based upon its size and capabilities: Microcomputers: Microcomputers are systems based on the use of microprocessors. A Micr

Command Line Arguments, You may have seen, as, that many programs can be ru...

You may have seen, as, that many programs can be run so that they give you with some basic information concerning how they should be run. Python permits you to do this with -h: $ p

flow chart for online placement, Create systems flow chart and state trani...

Create systems flow chart and state tranistion diagram for online placement and consultancy

Function, Function: The purpose of a function is to take in a number of v...

Function: The purpose of a function is to take in a number of values or arguments, do some calculations with those arguments and then return a single result.  Each language has d

Outdoor patient department features - a doctor module, A Doctor Module ...

A Doctor Module Doctor has a list of the patients waiting for consultation. The doctor's module should include all the following details: Fields for common complaint

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd