A Dynamic Learning Model for Categorizing Words Using Frames

1. Introduction Grammatical categories (e.g., noun, verb, and etc) are the building blocks of grammar, as grammars organize abstract linguistic categories rather than individual lexical items. Learning the categories of words is, thus, fundamental to the acquisition of language. Even theories in which learners are endowed with considerable innate linguistic knowledge allow that children need information from the input to map lexical items to grammatical categories. While a number of sources of category information have been proposed (including phonological information, morphological information, and semantic information), one information source that has received considerable attention recently is distributional information from lexical co