1. NLP Assignments for Undergraduates (1)
Zhao Hai

2. NLP Assignments (1) NLP background
Read the roadmap of NLP on the following website:
2018年8月28日4时15分 2

3. milk, house, liquid, green, group, concept, airborne
NLP Assignments (1)
Lexicon
The text described several different example tests for distinguishing word classes. For example, nouns can occur in sentences of the form I saw the X, whereas adjectives can occur in sentences of the form It’s so X. Give some additional tests to distinguish these forms and to distinguish between count nouns and mass nouns. State whether each of the following words can be used as an adjective, count noun, or mass noun. If the word is ambiguous, give all its possible uses (POS tags).
milk, house, liquid, green, group, concept, airborne 3

4. NLP Assignments (1) Lexicon
Please define some lexical items (nouns or verbs) for the following words in a SEL:
begin, plane, pilot
Based on the above SEL, give a sentence example for each lexical item. 4

5. Morphological Processing
NLP Assignments (1)
Morphological Processing
We used the World Wide Web as an auxiliary corpus above because neither strong tea nor powerful tea occurred in the New York Times. Modify Justeson and Katz’s method so that it uses the World Wide Web as a resource of last resort. Take a mainstream search engine as your tool. Report the returned numbers for both queries. 5

6. NLP Assignments (1) Collocation
Verify that there is a large proportion of bigrams that occur less often than chance if we do not filter out function words.
Note: A function word is a word which have no lexical meaning, and whose sole function is to express grammatical relationships, such as prepositions, articles, and conjunctions.
What is the difference between I(x, y) and I(X; Y)? 6