Current Slide

Small screen detected. You are viewing the mobile version of SlideWiki. If you wish to edit slides you will need to use a larger device.

Good and Bad News

  • Standard Vector Space Model

    • Empirical for the most part; success measured by results

    • Few properties provable

  • Probabilistic Model Advantages

    • Based on a firm theoretical foundation

    • Theoretically justified optimal ranking scheme

  • Disadvantages

    • Making the initial guess to get V

    • Binary word-in-doc weights (not using term frequencies)

    • Independence of terms (can be alleviated)

    • Amount of computation

    • Has never worked convincingly better in practice

Speaker notes:

Content Tools


There are currently no sources for this slide.