21 lines
834 B
Markdown
21 lines
834 B
Markdown
# Web Mining
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**Web Mining** is using data mining techniques to discover useful information from the World Wide Web.
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## Types of Web Mining
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### 1. Web Content Mining
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- **What**: Mining the **actual content** of web pages.
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- **Data**: Text, images, audio, video.
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- **Example**: Analyzing reviews on Amazon to see if people like a product (Sentiment Analysis).
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### 2. Web Structure Mining
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- **What**: Mining the **links** (hyperlinks) between pages.
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- **Goal**: To find important pages (Authorities) and pages that link to many others (Hubs).
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- **Example**: Google's **PageRank** algorithm uses this to rank search results.
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### 3. Web Usage Mining
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- **What**: Mining **user activity** logs.
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- **Data**: Server logs, browser history, clicks.
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- **Example**: Analyzing which pages users visit most often and where they leave the site.
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