Change detection and notification of web pages: A survey

Vijini Mallawaarachchi, Lakmal Meegahapola, Roshan Madhushanka, Eranga Heshan, Dulani Meedeniya, Sampath Jayarathna

Research output: Contribution to journalReview articlepeer-review

6 Citations (Scopus)

Abstract

The majority of currently available webpages are dynamic in nature and are changing frequently. New content gets added to webpages, and existing content gets updated or deleted. Hence, people find it useful to be alert for changes in webpages that contain information that is of value to them. In the current context, keeping track of these webpages and getting alerts about different changes have become significantly challenging. Change Detection and Notification (CDN) systems were introduced to automate this monitoring process and to notify users when changes occur in webpages. This survey classifies and analyzes different aspects of CDN systems and different techniques used for each aspect. Furthermore, the survey highlights the current challenges and areas of improvement present within the field of research.

Original languageEnglish
Article number15
Number of pages35
JournalACM Computing Surveys
Volume53
Issue number1
Early online dateFeb 2020
DOIs
Publication statusPublished - Jan 2021
Externally publishedYes

Keywords

  • Change detection
  • Change notification
  • Distributed digital collections
  • Scheduling
  • Search engine
  • Web search
  • Webpages
  • Websites

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