week6

Question 1

synonomy

Answer 1

same meaning but different word (house-villa)

Question 2

antonomy

Answer 2

words with opposite meaning (good-bad)

Question 3

Hypernymy / Hyponymy →

Answer 3

part of a higher or lower class (color-purple) or (purple-color)

Question 4

meroynomy / holonymy

Answer 4

part-of or whole-of the other word (tire-car) or (car-tire)

Question 5

co hyponyms

Answer 5

both part of the same lower class

Question 6

what is wordnet

Answer 6

ontology of synsets with all kinds of semantic relations. it gourps for instance nouns into synsets with semantic and lexical relations

Question 7

what is a synset

Answer 7

sets of synonyms

Question 8

what are limitations of wordnet (5)

Answer 8

• No conceptual relations are included (like tennis’ association with winning)
• Few proper nouns (e.g. names, cities, etc.)
• Few idiomatic expressions (e.g. “break a leg”, “spill the beans”)
• Taxonomy (classification) is not really though out
• Uneven and inconsistant taxonomy depth

Question 9

senitment analysis compares on: (3)

Answer 9

• Subjective vs objective (SO-polarity)
• Postive vs negative (PN-polarity)
• Strong vs weak PN (strength)

Question 10

bayes: P(A|B) =

Answer 10

(P(B|A)P(A))/P(B)

Question 11

accuracy bayes:

Answer 11

true positives (TP) and true negatives (TN) divided by all of the test data (TP+FP+TN+FN)

Question 12

precision bayes:

Answer 12

true positives (TP) and true negatives (TN) divided by all of the test data (TP+FP+TN+FN)

Question 13

give all the lexical semantic relations

Answer 13

meronym/holonym
hyponym/hypernym
co hyponyms
antonyms
synonyms