unigram

unigram
An n-gram consisting of a single item from a sequence

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  • METEOR — (Metric for Evaluation of Translation with Explicit ORdering) is a metric for the evaluation of machine translation output. The metric is based on the harmonic mean of unigram precision and recall, with recall weighted higher than precision. It… …   Wikipedia

  • Automatic summarization — is the creation of a shortened version of a text by a computer program. The product of this procedure still contains the most important points of the original text. The phenomenon of information overload has meant that access to coherent and… …   Wikipedia

  • BLEU — (Bilingual Evaluation Understudy) is a method for evaluating the quality of text which has been translated from one natural language to another using machine translation. BLEU was one of the first software metrics to report high correlation with… …   Wikipedia

  • N-gram — An n gram is a sub sequence of n items from a given sequence. n grams are used in various areas of statistical natural language processing and genetic sequence analysis. The items in question can be phonemes, syllables, letters, words or base… …   Wikipedia

  • Evaluation of machine translation — Various methods for the evaluation for machine translation have been employed. This article will focus on the evaluation of the output of machine translation, rather than on performance or usability evaluation.Before covering the large scale… …   Wikipedia

  • n-gram — Not to be confused with engram. In the fields of computational linguistics and probability, an n gram is a contiguous sequence of n items from a given sequence of text or speech. The items in question can be phonemes, syllables, letters, words or …   Wikipedia

  • Trigram tagger — A trigram tagger is a statistical part of speech tagger based on second order Markov models. It is trained on a text corpus as a method to predict the next word, taking the product of the probabilities of unigram, bigram and trigram. In speech… …   Wikipedia

  • Katz's back-off model — Katz back off is a generative n gram language model that estimates the conditional probability of a word given its history in the n gram. It accomplishes this estimation by backing off to models with smaller histories under certain conditions. By …   Wikipedia

  • Тихани, Адам — Адам Тихани Adam Tihany Имя при рождении: Адам Тихани Род деятельности: дизайнер, архитектор Дата рождения …   Википедия

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