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Perplexity

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02:48 Sep 26, 2011
This question was closed without grading. Reason: Answer found elsewhere

English to Arabic translations [PRO]
IT (Information Technology) / Computational linguistics , statistical machine translation
English term or phrase: Perplexity
Perplexity
Perplexity is a related measure of the uncertainty of a language event. One way of looking at perplexity is in terms of word-level perplexity. The perplexity of a text with respect to the word "ice" represents the number of words which could follow it. There are some given number of words which may follow the word "ice" (cream, age, and cube), and similarly, some words which would most likely not follow "ice" (nuclear, peripheral, and happily). Since the number of possible words which could follow "ice" is relatively high, its perplexity is high. At the letter-level, the string "beV", where V is a vowel, has a low perplexity since there are only five possible vowels, and only the vowel "e" could be found in this position in any English language corpus.
Mathematically, the perplexity of a text (or word, corpus, or language) is defined as 2 raised to the power of the entropy:
PP(corpus) = 2H(corpus) [Kurser00]
Another way of looking at this is in comparing different language models with respect to their usefulness for a particular text or corpora. The perplexity of a language model with respect to text x is the reciprocal of the geometric average of the probabilities of the predictions in text x. So, if text x has k words, then the perplexity of the language model with respect to that text is
Pr(x) -1/k [Brown90, Ney98].
Because perplexity is by definition dependent on the text (or word, or corpus) itself, one must take care that the text chosen in performing this calculation is representative of the entire corpus [Brown90].
MTY Translation
Local time: 11:57
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Summary of answers provided
4 +5حيرة
Ohan
4إختلاط المعنى أو في المعني
Mohamed Hosni
4تشابك/تشويشmajdisharabati
4التحيُر
HassanLotfy
4مُربِك / ارتباك
dimamarcel


Discussion entries: 3





  

Answers


10 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
perplexity
مُربِك / ارتباك


Explanation:
Noun 1. perplexity - trouble or confusion resulting from complexity
confusedness, disarray, mental confusion, muddiness, confusion - a mental state characterized by a lack of clear and orderly thought and behavior; "a confusion of impressions"


    Reference: http://www.thefreedictionary.com/perplexity
dimamarcel
Local time: 03:57
Native speaker of: Native in ArabicArabic
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1 hr   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +5
perplexity
حيرة


Explanation:
كما في حيرة نحوية
مع التحيات

Ohan
Spain
Local time: 11:57
Native speaker of: Arabic

Peer comments on this answer (and responses from the answerer)
agree  Mohsin Alabdali
1 hr
  -> مع شكري الجزيل وتحياتي

agree  Morano El-Kholy
1 hr
  -> مع شكري الجزيل وتحياتي

agree  TargamaT
2 hrs
  -> مع شكري الجزيل وتحياتي

agree  Heba Abed
7 hrs
  -> مع شكري الجزيل وتحياتي

agree  Haytham Boles: I agree.
14 hrs
  -> مع شكري الجزيل وتحياتي
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1 hr   confidence: Answerer confidence 4/5Answerer confidence 4/5
perplexity
التحيُر


Explanation:
.

HassanLotfy
Egypt
Local time: 12:57
Specializes in field
Native speaker of: Native in ArabicArabic, Native in EnglishEnglish
PRO pts in category: 23
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1 hr   confidence: Answerer confidence 4/5Answerer confidence 4/5
perplexity
تشابك/تشويش


Explanation:
تشابك/ تشويش

majdisharabati
Jordan
Local time: 12:57
Works in field
Native speaker of: Arabic
PRO pts in category: 4
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4 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
perplexity
إختلاط المعنى أو في المعني


Explanation:
هذا هو إقتراحي لكم تماشيا مع السياق
تحياتي

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Note added at 4 hrs (2011-09-26 07:34:01 GMT)
--------------------------------------------------

إختلاط المعنى أو في المعنى .عفوا

Mohamed Hosni
Morocco
Local time: 10:57
Native speaker of: Native in ArabicArabic
PRO pts in category: 4
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