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E20-065 Questions and Answers

Question # 6

What process must address acoustic ambiguity in NLP?

A.

Part-of-speech tagging

B.

Word sense disambiguation

C.

Speech recognition

D.

Discourse

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Question # 7

If two of the communities are re-designated to be one community, how does that change the network characteristics?

Refer to the exhibit.

Question # 7

A.

Neighborhood overlap would increase

B.

Network diameter would decrease

C.

Modularity would increase

D.

Modularity would decrease

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Question # 8

What is a typical use of a UDF in Pig?

A.

Creating functionality outside of what is provided by the built-in functions

B.

Providing Functional access to user-defined data in HDFS

C.

Providing advanced analytics to Hadoop

D.

Providing an interface from Pig to Microsoft Excel for easier data manipulation

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Question # 9

The naive Bayer classifier is trained over 1600 movie reviews and then tested over 400 reviews.

Here is the resulting confusion matrix:

190 (TP) 10(FN)

80 (FP) 120(TN)

What are the precision, recall, and the F1-score values?

A.

Precision0.95; Recall: 0704; F1-score: 0.809

B.

Precision 0.613, Recall: 0.95, F1-score: 0.745

C.

Precision 0.704, Recall: 0.95; F1-score: 0.809

D.

Precision 0.95; Recall: 0.613; F1-score: 0.745

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