基于话语表示理论的语义分析

基于话语表⽰理论的语义分析 Semantic Parsing in Discourse Representation Theory刘江鸣 云南⼤学2024年06⽉16⽇YSSNLP2024YSSNLP2024YSSNLP2024YSSNLP2024YSSNLP2024YSSNLP2024Octopuses and Language (Bender and Koller, 2020)2communication intent iHearermeaning sexpression eSpeaker knowledgecommunication situation (environments)Speakermeaning s’Hearerknowledge guess i’•(Bender and Koller, 2020) Emily M. Bender, and Alexander Koller. Climbing towards NLU: On meaning, form, and understanding in the age of data. ACL. 2020.YSSNLP2024YSSNLP2024YSSNLP2024YSSNLP2024YSSNLP2024YSSNLP2024Two Types of Text Understanding 3from Shay Cohen in RISEUnderstanding, loosely, can refer to two different things:•Attaching meaning (representations?) which is divorced of direct denotation (large language model)•Attaching meaning which is either executable and has denotation or is grounded in the environment (semantic parsing)Symbolic: interpretableContinuous : gradientYSSNLP2024YSSNLP2024YSSNLP2024YSSNLP2024YSSNLP2024YSSNLP2024Three Ty