| Current Research Trends |
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| n | Content-based
approaches [Michael03] |
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| n | HTML body text |
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| n | Title and
headings |
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| n | Anchor text, etc |
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| n | Link-based
approaches |
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| n | Link structure
infers information about pages |
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| n | Surfing behavior
of users can be abstract into |
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| patterns |
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