42) also called homonyms, are syntactically identical words with different meanings Answer: Polyseme Diff: 2 Page Ref: 253 43)When a word has more than one meaning, selecting the meaning that makes the most sense can only be accomplished by taking into account the context within which the word is used. This concept is known as Answer: word sense disambiguate Diff: 3 Page Ref: 256 44) is a technique used to detect favorable and unfavorable opinions toward specific products and services using large numbers of textual data sources Answer: Sentiment analysis Diff: 2 Page Ref: 257 45)In the Mining for Lies case study a text based deception-detection method used by fuller and others in 2008 was based on a process known as which relies on elements of dat and text mining techniques Answer: message feature mining Diff: 2 Page Ref: 262-263 46)At a very high level, the text mining process can be broken down into three consecutive tasks the first of which is to establish the Answer: Corpus Diff: 2 Page Ref: 269 47)Because the term document matrix is often very large and rather sparse, an important optimization step is to reduce the of the matrix Answer: dimensionalit Diff: 2 Page Ref: 270 is mostly driven by sentiment analysis and is a key element of customer experience management initiatives, where the goal is to create an intimate relationship with the customer Answer: Voice of the customer(VOC) Diff: 2 Page Ref: 280 49)When viewed as a binary feature classification is the binary classification task of labeling an opinionated document as expressing either an overall positive or an overall negative opInion Answer: polarity Diff: 2 Page Ref: 282 Copyright C 2018 Pearson Education, Inc7 Copyright © 2018 Pearson Education, Inc. 42) ________, also called homonyms, are syntactically identical words with different meanings. Answer: Polysemes Diff: 2 Page Ref: 253 43) When a word has more than one meaning, selecting the meaning that makes the most sense can only be accomplished by taking into account the context within which the word is used. This concept is known as ________. Answer: word sense disambiguation Diff: 3 Page Ref: 256 44) ________ is a technique used to detect favorable and unfavorable opinions toward specific products and services using large numbers of textual data sources. Answer: Sentiment analysis Diff: 2 Page Ref: 257 45) In the Mining for Lies case study, a text based deception-detection method used by Fuller and others in 2008 was based on a process known as ________, which relies on elements of data and text mining techniques. Answer: message feature mining Diff: 2 Page Ref: 262-263 46) At a very high level, the text mining process can be broken down into three consecutive tasks, the first of which is to establish the ________. Answer: Corpus Diff: 2 Page Ref: 269 47) Because the term document matrix is often very large and rather sparse, an important optimization step is to reduce the ________ of the matrix. Answer: dimensionality Diff: 2 Page Ref: 270 48) ________ is mostly driven by sentiment analysis and is a key element of customer experience management initiatives, where the goal is to create an intimate relationship with the customer. Answer: Voice of the customer (VOC) Diff: 2 Page Ref: 280 49) When viewed as a binary feature, ________ classification is the binary classification task of labeling an opinionated document as expressing either an overall positive or an overall negative opinion. Answer: polarity Diff: 2 Page Ref: 282