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

Write a long note letters to the editor, Question 1 What is meant by typog...

Question 1 What is meant by typography? Describe the process in which one can choose and use type Question 2 What is investigative reporting? Write a long note Question 3

Alternative approaches for acquiring software, Alternative approaches for a...

Alternative approaches for acquiring software: There are some alternative approaches for acquiring software. They are:  i)  'off the shelf' software package  ii)  'turnk

N-ary relationships in database design, n-ary relationships in database des...

n-ary relationships in database design Each n-ary where n>2 relationship type is maped into a table name of the relationship works as the name of the table. The primary key of suc

C programming, hello do have c programming experts

hello do have c programming experts

Education and society, mention the aims of education in present scenario

mention the aims of education in present scenario

Ms-powerpoint presentation for promoting national parks, Ms-PowerPoint Pres...

Ms-PowerPoint Presentation for Promoting National Parks You have been hired by Tourism Department to make a presentation to the travel agents from different countries. Design

Data base, advantages of file base system

advantages of file base system

Describe the binary search algorithm, QUESTION 1 Describe the binary se...

QUESTION 1 Describe the binary search algorithm using an example of your own. QUESTION 2 (a) By showing all your workings, give a big-O estimate for f(x) = (x + 1)lo

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