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

Project management, #Assignment 1: Project Management and Information Secur...

#Assignment 1: Project Management and Information Security Write a two to three (2-3) page paper that addresses the following: Explicate in detail the importance of project managem

Search strategy-artificial intelligence, Search strategy-artificial intelli...

Search strategy-artificial intelligence: Soundness: You  can hear  in  some  application domains  -  i.e.  automated  theorem proving - that a search is "sound and complet

Fms control-display unit, FMS CONTROL-DISPLAY UNIT: The CDU provides a ...

FMS CONTROL-DISPLAY UNIT: The CDU provides a means for the crew to communicate with the FMC.  It contains pushbutton key controllers and a display screen.  The keys are of two

Hypertext markup language (html), HTML is a Formatting language which is mo...

HTML is a Formatting language which is most commonly used for web documents.

Ip addressing assignment help, An IP address consists of 4 contiguous octet...

An IP address consists of 4 contiguous octets and is generally written in Dotted Decimal Notation in the form: A.B.C.D Where: A represents the most significant octet, D the leas

Two dimensional arrays, Two dimensional Arrays:  A two-dimensional array ...

Two dimensional Arrays:  A two-dimensional array is like a table, with a defined number of rows, where each row has a defined number of columns. In some instances we need to  hav

Explain uses of system call and its major types, In computing, a system cal...

In computing, a system call is how a program asks for a service from an operating system''s kernel. This may contain hardware related services (for example accessing the hard disk)

Optical disk storage and cd - rom, Optical disk storage and cd - ROM: ...

Optical disk storage and cd - ROM: Optical disk storage is relatively new alternative to magnetic storage. Digital data is burnt into the surface of a plastic disk coated with

One dimensional array, One dimensional array:  A one-dimensional arra...

One dimensional array:  A one-dimensional array  is a structured collection of elements  that can be accessed individually by specifying the position of a component with  ind

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