A Sparse Plus Low Rank Maximum Entropy Language Model.
Brian HutchinsonMari OstendorfMaryam FazelPublished in: INTERSPEECH (2012)
Keyphrases
- maximum entropy
- language model
- low rank
- low rank matrix
- rank minimization
- nuclear norm
- language modeling
- convex optimization
- linear combination
- missing data
- low rank approximation
- n gram
- matrix factorization
- matrix completion
- probabilistic model
- information retrieval
- singular value decomposition
- conditional random fields
- retrieval model
- high order
- query expansion
- semi supervised
- test collection
- high dimensional data
- mixture model
- sparse matrix
- query terms
- collaborative filtering
- sparse representation
- higher order
- least squares
- recommender systems