Research Article
MT Evaluation in the Context of Language Complexity
| | Feature type | Feature name | GT_MT | GT_PEMT | MT@EC_MT | MT@EC_PEMT |
| | Readability | Average sentence length (words) | 8.45 | 8.81 | 7.82 | 8.75 | | Average word length (characters) | 5.51 | 5.89 | 5.70 | 5.89 | | Number of short sentences (n < 10) | 63.37% | 56.44% | 67.49% | 58.35% | | Number of long sentences (n ≥ 10) | 36.63% | 43.56% | 32.51% | 41.65% |
| | Lexico-grammatical | Frequency of nouns | 32.81% | 36.82% | 31.25% | 36.23% | | Frequency of adjectives | 8.22% | 9.00% | 11.81% | 9.05% | | Frequency of adverbs | 3.16% | 2.70% | 3.11% | 2.73% | | Frequency of verbs | 16.57% | 16.11% | 15.00% | 15.87% | | Frequency of pronominals | 3.13% | 3.03% | 3.02% | 3.27% | | Frequency of participles | 1.63% | 1.89% | 1.62% | 1.97% | | Frequency of morphemes | 1.45% | 1.32% | 1.34% | 1.36% | | Frequency of abbreviation | 3.01% | 2.40% | 3.94% | 2.44% | | Frequency of numbers | 3.87% | 3.65% | 4.32% | 3.53% | | Frequency of undefinable POSs | 0.29% | 0.23% | 1.06% | 0.34% | | Frequency of foreign words | 6.98% | 4.84% | 6.02% | 5.14% | | Frequency of interjections | 0.02% | 0.02% | 0.02% | 0.02% | | Frequency of numerals | 0.75% | 0.49% | 0.70% | 0.42% | | Frequency of prepositions & conjunctions | 18.10% | 17.49% | 16.80% | 17.63% |
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