Language Models Hongning Wang CS@UVa. Two-stage smoothing [Zhai & Lafferty 02] c(w,d) |d| P(w|d) = + p(w|C) ++ Stage-1 -Explain unseen words -Dirichlet.
Language Models
Implicit User Feedback Hongning Wang CS@UVa. Explicit relevance feedback 2 Updated query Feedback Judgments: d 1 + d 2 - d 3 + … d k -... Query User judgment.
![Language Models Hongning Wang CS@UVa. Two-stage smoothing [Zhai & Lafferty 02] c(w,d) |d| P(w|d) = + p(w|C) ++ Stage-1 -Explain unseen words -Dirichlet.](https://static.fdocuments.us/doc/330x215/56649ea75503460f94baa78d/language-models-hongning-wang-csuva-two-stage-smoothing-zhai-lafferty.jpg)
