Quiz 2 (CS1573) - NLP

  1. List 4 categories of knowledge about language that are required for human-like language understanding.

*      Phonetics and Phonology

*      Morphology

*      Syntax

*      Semantics

*      Pragmatics

*      Discourse

 

  1. What has Eliza contributed research-wise to natural language processing?

*      See Jurafsky and Martin Chapter 1, page 7-9.  “…Eliza was an early natural language processing system capable of carrying o a limited form of conversation with a user….”

 

  1. Write a regular expression to match sentences where the first word of the sentence is a pronoun (I, you, he, she, it, we, they) and the next word is the correct present-tense form of "to be" (e.g., am, are ...). Thus your regular expression should match sentences like "She is happy." but should not match sentences like "She are happy."

*      /IVamV | ([yY]ou|[wW]e|[tT]hey) VareV | ([hH]e|[sS]he)VisV /[a-z]*/./