Page 305 - AI Ver 1.0 Class 10
P. 305

They are best suited for straightforward interactions like  Virtual assistants like Google Assistant, Alexa, Cortana,
                        making life easy at home or companies at customer care  Siri, etc. are best examples of Smart bots.
                        services.

                    2.  Following is the corpus:
                       Document 1: This is my first experience of Text Mining.
                       Document 2: I have learnt new techniques in this.
                       Perform the following functions on the above corpus:
                       a.  Sentence Segmentation
                       b.  Tokenization
                       c.  Stop words removal
                       d.  Lowercase conversion
                   Ans.  a.  This is my first experience of Text Mining.
                          I have learnt new techniques in this.
                       b.
                               This          is         my            first      experience      of           Text

                              Mining         .           I            have         learnt       new        techniques
                                in          this          .

                       c.
                                  my                 first           experience            Text             Mining

                                 learnt             new              techniques

                       d. this is my first experience of text mining. i have learnt new techniques in this

                    3.  Document 1: Amit and Amita are twins.
                       Document 2: Amit lives with his grandparents in Shimla.
                       Document 3: Amita lives with her parents in Delhi.
                       Create a step by step approach to implement a bag of words algorithm.
                   Ans.  Step 1: Text Normalisation
                       Document 1: [Amit, and, Amita, are, twins]
                       Document 2: [Amit, lives, with, his, grandparents, in Shimla]
                       Document 3: [Amita, lives, with, her, parents, in Delhi]
                       Step 2: Create Dictionary

                             Amit             and            Amita             are            twins            lives
                             with             his         grandparents         in             Shimla           her

                            parents          Delhi

                       Step 3: Create a Document Vector

                        Amit   and   Amita  are  twins   lives  with  his   grandparents  in  Shimla  her  parents  Delhi
                          1     1      1     1     1      0     0     0        0        0      0      0     0       0

                          1     0      0     0     0      1     1     1        1        1      1      0     0       0
                          0     0      1     0     0      1     1     0        0        1      0      1     1       1





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