Change detection and notification: Difference between revisions

Revision as of 20:25, 6 October 2020

Revision as of 00:19, 13 December 2020

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==History==

In 1996, [[NetMind]] developed the first change detection and notification tool, known as Mind-it, which ran for six years. This spawned new services such as ChangeDetection (1999), ChangeDetect (2002), [[Google Alerts]] (2003), and Versionista (2007) which was used by the [[John McCain 2008 presidential campaign]] in the race for the [[2008 United States presidential election]].<ref>{{cite web |title=To the Wayback Machine, Sherman!|url=https://www.economist.com/democracy-in-america/2008/07/16/to-the-wayback-machine-sherman |publisher=[[The Economist]] |accessdateaccess-date=9 January 2019}}</ref> Historically, change polling has been done either by a server which sent email notifications or a desktop program which audibly alerted the user to a change. Change alerting is also possible directly to mobile devices and through [[push notification]]s, [[webhooks]] and HTTP callbacks for application integration.

Monitoring options vary by service or product and range from monitoring a single web page at a time to entire web sites. What is actually monitored also varies by service or product with the possibilities of monitoring text, links, documents, scripts, images or screen shots.

With the notable exception of Google's patent filings related to [[Google Alerts]], [[intellectual property]] activity by change detection and notification vendors is minimal.<ref>{{cite web |title=He created Google Alerts. Now he's an almond farmer |date=4 April 2016 |url=https://money.cnn.com/2016/04/04/smallbusiness/naga-kataru-google-alerts/ |publisher=[[CNN]] |accessdateaccess-date=9 September 2016}}</ref> No one vendor has successfully leveraged exclusive rights to change detection and notification technology through patents or other legal means.{{Citation needed|reason=Just as one can not prove a negative, one can not cite sources that do not exist|date=September 2016}} This has resulted in significant functional overlap between products and services.

==Architectural approaches==

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{{Reflist}}

* {{Cite book | last1 = Chakravarthy | first1 = S. | last2 = Hara | first2 = S. C. H. | chapter = Automating Change Detection and Notification of Web Pages (Invited Paper) | title = 17th International Conference on Database and Expert Systems Applications (DEXA'06) | pages = 465 | year = 2006 | isbn = 0-7695-2641-1 | doi = 10.1109/DEXA.2006.34}}

* {{cite journal |last= Shobhna|first=Bansal |last2=Chadhaury |first2=Manoj |date=June 2013 |title=A Survey on Web Page Change Detection System Using Different Approaches |url=http://www.ijcsmc.com/docs/papers/June2013/V2I6201391.pdf |journal=International Journal of Computer Science and Mobile Computing |publisher=IJCSMC |volume= 2 |issue=6 |pages=294–299 |doi= | issn=2320-088X |access-date=8 September 2016}}

* {{cite journal |last= Mallawaarachchi|first=Vijini |last2=Meegahapola |first2=Lakmal |last3=Alwis |first3=Roshan |last4=Heshan |first4=Eranga |last5=Meedeniya |first5=Dulani |last6=Jayarathna |first6=Sampath |date=January 2019 |title=Change Detection and Notification of Webpages: A Survey |journal= |publisher= |volume= |issue= |pages= |doi= 10.1145/3369876|arxiv=1901.02660 |bibcode=2019arXiv190102660M | issn= }}

[[Category:Change detection and notification| ]]

[[Category:World Wide Web]]