Neural sentence embedding using only in-domain sentences for out-of-domain sentence detection in dialog systems
Table 2: Accuracies (%) of domain-category analysis.
['Method', 'Accuracy']
(3) DC-LSTM w/ two-channel was more accurate than DC-LSTM w/ random, w/ static, or w/ non-static. To summarize, the two-channel approach is effective in OOD sentence detection, but we cannot say that it is effective in general.