A Relationship: Word Alignment, Phrase Table, and Translation Quality

Table 4

Comparison between theoretical estimation results and other pruning techniques results.

Language pairs	𝑗mid	𝑖mid	𝑅pruned
fr-en	12.34	11.04	53.5%~98.6%
es-en	11.26	11.42	49.3%~98.4%
de-en	11.16	11.19	44.9%~98.3%