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There Is No Logical Negation Here, But There Are Alternatives: Modeling Conversational Negation with Distributional Semantics
Alternatives Distributional Semantics
2017/4/6
Logical negation is a challenge for distributional semantics, because predicates and their negations
tend to occur in very similar contexts, and consequently their distributional vectors are
very si...
Modeling Semantic Containment and Exclusion in Natural Language Inference
Modeling Semantic Containment Natural Language Inference
2015/6/12
We propose an approach to natural language inference based on a model of natural logic, which identifies valid inferences by their lexical and syntactic features, without full semantic interpretation....
Lexicons are important resources for semantic tagging. However,
commonly used lexicons collected from entity databases suffer
from multiple problems, such as ambiguity, limited coverage and
lack...