نتایج جستجو برای: url

تعداد نتایج: 13770  

2005
Robert Warren Dana Wilkinson Alejandro López-Ortiz

We study the refresh model required to keep an up to date copy of a web page. This has applications for more efficient and frequent crawling, in the case of search engines, and for higher hit rates for proxy servers with pre-fetching. Two main models have been proposed namely the uniform refresh model (Cho and Garcia-Molina, 2000) and the adaptive page refresh model (Edwards et al., 2001), with...

2011

The prevalence of spam URLs in Internet services, such as email, social networks, blogs and online forums has become a serious problem. These spam URLs host spam advertisements, phishing attempts, and malwares, which are harmful for normal users. Existing URL blacklist approaches offer limited protection. Although recent machine learning based URL classification approaches demonstrate good accu...

Journal: :RFC 1999
Rich Petke Ian King

This document defines the process by which new URL scheme names are registered. 1.0 Introduction A Uniform Resource Locator (URL) is a compact string representation of the location for a resource that is available via the Internet. RFC 2396 [1] defines the general syntax and semantics of URIs, and, by inclusion, URLs. URLs are designated by including a ":" and then a "<scheme-specific-p...

2013
T. Manjula Devi R. Krishnaveni

Web-based malicious software (malware) has been increasing over the Internet .It poses threats to computer users through web sites. Computers are infected with Web-based malware by drive-by-download attacks. Drive-by-download attacks force users to download and install the Web-based malware without being aware of it .these attacks evade detection by using automatic redirections to various websi...

Journal: :International Journal of Computer Applications Technology and Research 2017

Journal: :International Journal of Security and Its Applications 2016

Journal: :International Journal of Electrical and Computer Engineering (IJECE) 2016

Journal: :International Journal of Engineering and Manufacturing 2012

Journal: :journal of ai and data mining 2014
deepika koundal

the enormous growth of the world wide web in recent years has made it necessary to perform resource discovery efficiently. for a crawler it is not an simple task to download the domain specific web pages. this unfocused approach often shows undesired results. therefore, several new ideas have been proposed, among them a key technique is focused crawling which is able to crawl particular topical...

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