The way humans establish communication depends on the generation and conveyance of meaning. Linguistically, meaning in information is dependent on the meaning that is ascribed to signifiers in the context of the communication. These signifiers can include items such as words, phrases, signs, and symbols. Conveyance of meaning may, however, imprecise and prone to error. The meaning of informatio...

Boxer is a semantic parser for English texts with many input and output possibilities, and various ways to perform meaning analysis based on Discourse Representation Theory. This involves the various ways that meaning representations can be computed, as well as their possible semantic ingredients.

This paper describes the issue of meaning extraction based on frame representation for spoken dialogue. The framework of semantic lexicon and the structure of semantic caseframe which focuses on the keywords in phrase is described. The results of the preliminary experiments of meaning extraction using spontaneous speech in the scheduling task and the document retrieval task are shown.