Quantum links let computers understand language: Coecke's approach, aired at a recent workshop in Oxford, is based on category theory, a branch of mathematics that allows different objects within a collection, or category, to be linked. This makes it easy to express a problem in one area of mathematics as a problem in another, but for many years was viewed even by its creators as "general abstract nonsense"...
To create a vector for a sentence, Coecke has devised an algorithm to connect individual words, using the graphical links that were developed to model the flow of quantum information. In this case, the links embody basic grammatical rules, such as the way the word "likes" can be linked to "John" or "Mary", and the different way it can be linked to the word "not"...
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