important words. Important words are the words that are not in stop word lists. Stop words are words that are common to all documents that do not provide much indication of the topic of the document. Example stop words include the, and, to, but, because, an, a, …. Assume that you are given the following array of stop words to use: Map algorithm pseudocode Reduce algorithm pseudocode
important words. Important words are the words that are not in stop word lists. Stop words are words that are common to all documents that do not provide much indication of the topic of the document. Example stop words include the, and, to, but, because, an, a, …. Assume that you are given the following array of stop words to use: Map algorithm pseudocode Reduce algorithm pseudocode
Computer Networking: A Top-Down Approach (7th Edition)
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Write Map and Reduce pseudocode that determines document similarity according to combinations of three important words. Important words are the words that are not in stop word lists. Stop words are words that are common to all documents that do not provide much indication of the topic of the document. Example stop words include the, and, to, but, because, an, a, …. Assume that you are given the following array of stop words to use:
- Map
algorithm pseudocode - Reduce algorithm pseudocode
(see attached image)
![Suppose our Accumulo system stores entire documents in the value column using the
following data structure to represent the Gettysburg Address and the Declaration of
Independence:
rowID
family
qual
time
value
gettysburg
speech
script
Four score and seven years ago ...
declaration
document
script
When in the course of human events ...
Write Map and Reduce pseudocode that determines document similarity according to
combinations of three important words. Important words are the words that are not in
stop word lists. Stop words are words that are common to all documents that do not
provide much indication of the topic of the document. Example stop words include the,
and, to, but, because, an, a, ....
words to use:
Assume that you are given the following array of stop
private String[] stopWords
{"the", "and", "to", "but", "because", "an", "a", ...};
%3D
For all combinations of three important (non-stop word) words, create an Accumulo
output table that clusters documents according to the important word triples. Two sample
output rows from the MapReduce algorithm applied to the table above will look like:
rowID
family
qual
time
value
government:liberty:people speech
script
gettysburg
government:liberty:people document
script
declaration
Make sure that the important words used in the rowID are sorted in alphabetical order so
you have only one "government:liberty:people" rowID value, not
"government: people:liberty", "liberty:government:people",
"liberty:people:government", "people:liberty:government",
"people:government:liberty". Also, do not worry about multiple occurrences of any
word. Even though the word government appears many times in the Declaration of
Independence, just create one output for the "government:liberty:people" triple.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F42bf8766-79db-4c70-9b24-bfd036cce58f%2Fac853770-59f7-4cda-a970-435d64958846%2Fa09mfce_processed.png&w=3840&q=75)
Transcribed Image Text:Suppose our Accumulo system stores entire documents in the value column using the
following data structure to represent the Gettysburg Address and the Declaration of
Independence:
rowID
family
qual
time
value
gettysburg
speech
script
Four score and seven years ago ...
declaration
document
script
When in the course of human events ...
Write Map and Reduce pseudocode that determines document similarity according to
combinations of three important words. Important words are the words that are not in
stop word lists. Stop words are words that are common to all documents that do not
provide much indication of the topic of the document. Example stop words include the,
and, to, but, because, an, a, ....
words to use:
Assume that you are given the following array of stop
private String[] stopWords
{"the", "and", "to", "but", "because", "an", "a", ...};
%3D
For all combinations of three important (non-stop word) words, create an Accumulo
output table that clusters documents according to the important word triples. Two sample
output rows from the MapReduce algorithm applied to the table above will look like:
rowID
family
qual
time
value
government:liberty:people speech
script
gettysburg
government:liberty:people document
script
declaration
Make sure that the important words used in the rowID are sorted in alphabetical order so
you have only one "government:liberty:people" rowID value, not
"government: people:liberty", "liberty:government:people",
"liberty:people:government", "people:liberty:government",
"people:government:liberty". Also, do not worry about multiple occurrences of any
word. Even though the word government appears many times in the Declaration of
Independence, just create one output for the "government:liberty:people" triple.
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