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INFORMATION RETRIEVAL VECTOR SPACE MODEL IN-DEPTH PART 5 Thomas Tiahrt, MA, PhD CSC492 – Advanced Text Analytics.

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Presentation on theme: "INFORMATION RETRIEVAL VECTOR SPACE MODEL IN-DEPTH PART 5 Thomas Tiahrt, MA, PhD CSC492 – Advanced Text Analytics."— Presentation transcript:

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2 INFORMATION RETRIEVAL VECTOR SPACE MODEL IN-DEPTH PART 5 Thomas Tiahrt, MA, PhD CSC492 – Advanced Text Analytics

3 VSM Example 2  Query: “rubber baby buggy bumpers”

4 VSM Example 3

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6 5

7 Spark Jones IDF 6

8 Spark Jones Term Weights 7 Rubber Baby Buggy Bumpers Total

9 References 8 Sources: Introduction to Information Retrieval by Christopher Manning, Prabhakar Raghavan and Hinrich Schütze, The Cambridge University Press Automatic Text Processing Gerard Salton, Addison-Wesley Publishing.

10 The end of the Vector Space Model In-Depth Part 5 slide show has come. End of the Slides 9


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