add BatchDot layer, tests, and docs

allenai / deep_qa

A deep NLP library, based on Keras / tf, focused on question answering (but useful for other NLP too)

Apache License 2.0

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add BatchDot layer, tests, and docs #191

Closed nelson-liu closed 7 years ago

nelson-liu commented 7 years ago

this PR adds a BatchDot layer that simply takes the output of K.batch_dot and propagates a correct mask with it. I didn't bother testing the call function because I'm presuming K.batch_dot is well tested :)

nelson-liu commented 7 years ago

merging this