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courses:rg:2014:bleu [2014/11/14 12:28] michlikv created + content |
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| - | ====== This is not a final version of questions ====== | + | You can skip sections 4 and 5 in the paper. |
| 1) Section 2.1.1. defines p_n as a fraction where the denominator is "//the number of candidate n-grams in the test corpus//" | 1) Section 2.1.1. defines p_n as a fraction where the denominator is "//the number of candidate n-grams in the test corpus//" | ||
| Compute this denominator for **p_3** and a test corpus with three sentences with lengths **3**, **4** and **5**. | Compute this denominator for **p_3** and a test corpus with three sentences with lengths **3**, **4** and **5**. | ||
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| 2) Do we need source-language sentences for computing BLEU? | 2) Do we need source-language sentences for computing BLEU? | ||
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| Can the new BLEU score be lower than the old score? Can it be higher? Why? | Can the new BLEU score be lower than the old score? Can it be higher? Why? | ||
| - | 5) Can you think of any problems in BLEU metrics (for Czech or any other language)? | + | 5) Can you think of any problems in BLEU metrics (for Czech or any other language)? |