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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Factored language model ： ウィキペディア英語版 Factored language model The factored language model (FLM) is an extension of a conventional language model introduced by Jeff Bilmes and Katrin Kirchoff in 2003. In an FLM, each word is viewed as a vector of ''k'' factors: $w\_i\; =\; \backslash .$ An FLM provides the probabilistic model $P(f|f\_1,\; ...,\; f\_N)$ where the prediction of a factor $f$ is based on $N$ parents $\backslash$. For example, if $w$ represents a word token and $t$ represents a Part of speech tag for English, the expression $P(w\_i|w\_,\; w\_,\; t\_)$ gives a model for predicting current word token based on a traditional Ngram model as well as the Part of speech tag of the previous word. A major advantage of factored language models is that they allow users to specify linguistic knowledge such as the relationship between word tokens and Part of speech in English, or morphological information (stems, root, etc.) in Arabic. Like N-gram models, smoothing techniques are necessary in parameter estimation. In particular, generalized back-off is used in training an FLM. ==References== * 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Factored language model」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.