1
Q
What is text mining?
A
Finding interesting information in texts
2
Q
Cleaning and preprocessing text
A
- Case normalization
- Removing punctuation
- Removing numbers
- Removing stopwords
- Word stemming and stem completion
3
Q
A token/term
A
e.g., a word or a group of words
4
Q
A document
A
One piece of text
5
Q
A corpus
A
A collection of documents
BDMA
flashcards
Decks in class (31)
# Cards
-
Session 111
-
Session 1.28
-
Session 216
-
Session 2.116
-
Session 316
-
Session 3.114
-
Session 422
-
Session 4.114
-
Session 4.210
-
Session 513
-
Session 5.116
-
Session 5.223
-
Session 610
-
Session 6.111
-
Session 6.29
-
Session 6.38
-
Session 6.416
-
Session 719
-
Session 7.115
-
Session 7.27
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E19
-
E27
-
E37
-
E410
-
E57
-
E610
-
E75
-
E86
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E910
-
E109
-
E113
