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14.0 Linguistic Processing and Latent Topic Analysis

14.0 Linguistic Processing and Latent Topic Analysis

???????? Introduction to Digital Speech Processing. 14.0 Linguistic Processing and Latent Topic Analysis. ? ???????????? ?? CC ???????????????????? 3.0 ? ???? ?. ??????????? ?????? ??? ??. Latent Semantic Analysis (LSA ). T k. Topic. Documents. Words.

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344 views • 34 slides
14.0 Linguistic Processing and Latent Topic Analysis

14.0 Linguistic Processing and Latent Topic Analysis

14.0 Linguistic Processing and Latent Topic Analysis. Latent Semantic Analysis (LSA ). T k. Topic. Words. Documents. d 1 d 2 ........ d j .......... d N. w 1 w 2 w i w M. w ij. Latent Semantic Analysis (LSA) - Word-Document Matrix Representation.

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295 views • 29 slides
Expanding User Features with Social Relationships in Social Recommender Systems

Expanding User Features with Social Relationships in Social Recommender Systems

Expanding User Features with Social Relationships in Social Recommender Systems. Chengjie Sun,Lei Lin, Yuan Chen, Bingquan Liu Harbin Institute of Technology School of Computer Science and Technology. Outlines. Background and challenges Related works Methodology description

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369 views • 28 slides
Performance of Recommender Algorithms on Top-N Recommendation Tasks

Performance of Recommender Algorithms on Top-N Recommendation Tasks

Performance of Recommender Algorithms on Top-N Recommendation Tasks. Gabriel Vargas Carmona 22.06.12. Agenda. Introduction General Overview Recommender system Evaluation RMSE & MAE Recall and precision Long- tail Netflix and Movielens Collaborative algorithms Neighborhood models

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186 views • 18 slides

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