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Essay On Web Crawler

1639 Words7 Pages

IMPLEMENTATION OF FOLLOWER EVENTS TRACKING OF A PERSON

Authors: Aashish Gurmukhani, Varsha Keswani, Manisha Parwani, Pooja Premchandani. Co Author: Mrs.Anjali Yeole

Abstract
Today the internet has become a part of human beings life. To get the information what the user is requesting is the job of search engine which indeed takes the help of web crawler. Designing and developing a competent web crawler is a challenging task. This paper proposes Web crawler
A crawler is an agent that targets a particular topic and visits and gathers only relevant web pages. The web pages are fetched and parsed for retrieving all the hyperlinks by the crawler service, and then the same process is continued recursively using the Breadth-First strategy and pattern matching algorithm.This paper also focuses …show more content…

First, The crawler should have the capability to plan, i.e., a plan to decide which pages to download next. Second, It needs to have a highly optimized and robust system architecture so that it can download a large number of pages per second even against crashes, manageable, and considerate of resources and web servers. Some recent academic interest is there in the first issue, including work on deciding which important pages the crawler should take first.
Web crawler is a program that automatically traverses the Web's hypertext structure by retrieving a document, and recursively retrieving all documents that are referenced. Web crawlers are often used as resource discovery and retrieval tools for Web search engines such as Google. These search engines (e.g. Google, Bing, Yahoo) play an essential part in our life. Without them, it is difficult to imagine how people find information on Internet these days.

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