Evaluating a Pivot-Based Approach for Bilingual Lexicon Extraction

Table 3

An example of a 2 by 2 contingency table for a bilingual word pair, the Korean word = kyeong-chal and the English word = police.

			Total
= kyeong-chal		= 4,667	= 4,747
kyeong-chal	= 4,510	= 460,123	= 464,633
Total	= 4,590	= 464,790	= 469,930

is the number of times kyeong-chal and police appears in the parallel corpus.
is the number of times kyeong-chal appears in the Korean text and police does not occur in the English text.
is the number of times kyeong-chal does not appear in the Korean text and police occurs in the English text.
is the number of times kyeong-chal does not appear in the Korean text and police does not occur in the English text.
is the number of times kyeong-chal appears in the Korean text.
is the number of times kyeong-chal does not appear in the Korean text.
is the number of times police appears in the English text.
is the number of times police does not appear in the English text.