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09 Oct Resolving a Paradox

Square Paradox

In time and space some things are impossible, but the pen is more powerful than reality. I can draw a world in which stairs lead in crazy, mind-bending directions, and I could probably build a structure that implemented upside-down staircases to nowhere. But I could never build the cube shown here, because it violates some […]

29 Apr The Multiple Meanings of Polysemy

Polysemy and Constraints Perhaps the most difficult task in Natural Language (NL) understanding is the resolution of polysemy or multiple meanings. Many words in every language do not exhibit polysemy and require no disambiguation. Most words, however, can be interpreted in at least a few different ways. This makes disambiguating NL text a non-trivial task. Each different meaning and shade […]

26 Mar Bayes and Search Theory

University of Edinburgh

What began as a study of belief has turned into a strategy for solving very complex problems.  Thomas Bayes (/ˈbeɪz/; 1701–1761) proposed a model in which adding evidence of different types, or from different sources, to a problem will change the calculated probabilities for the outcomes of the “reasoning” process. We’ve forgotten what he looked like, […]