Artificial Intelligence By Example

Lexical field and polysemy

A lexical field contains words that form sets and subsets. They differ from one language to another. A language itself forms a set and contain subsets of lexical fields. 

Colder countries have more words describing water in its frozen form than tropical countries where snow hardly ever falls. A lexical field of cold could be a subset of C:

C = {ice, hail, snowflakes, snowman, slushy, powder, flake, snowball, blizzard, melting, crunch....n}

The curse of dimensionality, well known in artificial intelligence, applies here. Words contain an incredible number of dimensions and definitions. To translate certain expressions, Google Translate suppresses their dimension and reduces them.

Google Translate often uses n-grams to ...