| Resource
Description Framework |
| A knowledge
representation format |
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| ¡ | Encodes
knowledge in sets of triples |
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| A document
makes assertions that: |
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| 1. | particular
things (people, Web pages or |
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| whatever) |
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| 2. | have properties
(such as "is a sister of," |
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| "is the
author of") |
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| 3. | with certain
values (another person, |
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| another Web
page). |
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