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Ngram Search Tool Demo

Ngram Search Tool Demo. Example 1. Search country names by ngram patterns. http://linserv1.cims.nyu.edu:23232/ngram/ Query: countries such as * and *. Example 1. Search country names by ngram patterns. Example 2. Search with POS. Example 2. Search with POS. Example 2. Search with POS.

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Ngram Search Tool Demo

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  1. Ngram Search Tool Demo

  2. Example 1. Search country names by ngram patterns • http://linserv1.cims.nyu.edu:23232/ngram/ • Query: countries such as * and *

  3. Example 1. Search country names by ngram patterns

  4. Example 2. Search with POS

  5. Example 2. Search with POS

  6. Example 2. Search with POS • Provide more POS constraints if you are not happy with the output • Query: *NNP* was established in *CD*

  7. Example 3. Search sentences with multi-level output • 1. Token only

  8. Example 3. Search sentences with multi-level output • 2. Multi-level output

  9. Examples related to semi-supervised learning • Relation: ORG-headquarters • General Procedure • 1. Collect seeds from Wikipedia infobox • 2. Search for patterns • 3. Use high-precision patterns to find more seeds • 4. Use new seeds to search for more patterns • 5. repeat step 3 and 4.

  10. Examples related to semi-supervised learning • 1. Collect seeds from Wikipedia infobox <IBM, Armonk>

  11. Examples related to semi-supervised learning • 2. Search for patterns • Query: IBM * * * Armonk • Output:

  12. Examples related to semi-supervised learning 3. Use high-precision patterns to find more seeds

  13. Examples related to semi-supervised learning • 3. Use high-precision patterns to find more seeds • <Microsoft, Redmond> • <Intel, Santa Clara> • … • 4. Use new seeds to find more patterns • Microsoft * * * * Redmond • Intel * * * Santa Clara • …

  14. References • 1. Ngram tool http://nlp.cs.nyu.edu/sekine/papers/coling08.pdf • 2. Semi-supervised relation extraction http://cs.nyu.edu/courses/spring09/G22.2591-001/lecture9.html

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