Towards logical negation for compositional distributional semantics

Understand

The categorical compositional distributional model of meaning gives the composition of words into phrases and sentences pride of place.

• However, it has so far lacked a model of logical negation.
• This paper gives some steps towards providing this operator, modelling it as a version of projection onto the subspace orthogonal to a word.
• We give a small demonstration of the operators performance in a sentence entailment task.