Conclusion

• Semantic Nets are Good Old Fashioned AI. They have a lot of links to other fields like Psychology and Linguistics.
• Take Home Points
  1. Semantic Nets are Graphs
  2. Nodes are concepts and Arcs are Relations
  3. IS-A and Instance are important arcs.
  4. Frames are similar but with more structure to the Node.
  5. Frames and semantic nets are useful for a person and for restricted domains.
• Reading: For this is Russell and Norvig 461-463 (the Semantic Nets section 5.1 of the Knoweldge Representation Chapter). The Semantic Net wiki is also pretty good.
• Reading: for next week is Knowledge representation in the semantic web for Earth and environmental terminology (SWEET) by Raskin and Pan (2005), and XML Tutorial.