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Module 5: Mining Object, Spatial, Multimedia, Text and Web Data

20262m

Which technique is most appropriate for discovering hyperlinks and relationships among Web pages?

(i) Web structure mining
(ii) Numerical integration
(iii) Web usage mining
(iv) Data normalization

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Solution

Correct Answer: (i) Web structure mining

Explanation

Web structure mining analyses the link structure of the Web: hyperlinks between pages and the relationships among them. It is used to find authoritative pages, hubs and communities. Well-known algorithms: PageRank and HITS.

The three types of web mining:

  • Web content mining - the content of pages (text, images)
  • Web structure mining - hyperlinks between pages
  • Web usage mining - user access logs and click patterns

Why other options are incorrect:

  • (ii) Numerical integration - a mathematical technique, unrelated.
  • (iii) Web usage mining - studies user behavior from logs, not links.
  • (iv) Data normalization - a preprocessing step.

Answer: (i) Web structure mining

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