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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.

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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