LTAG Semantics for Questions
Maribel Romero, Laura Kallmeyer, Olga Babko-Malaya · Publication Server of Goethe University Frankfurt am Main (Goethe University Frankfurt) · 2004
This papers presents a compositional seman-tic analysis of interrogatives clauses in LTAG (Lexicalized Tree Adjoining Grammar) that captures the scopal properties of wh- and non-wh-quantificational elements. It is shown that the present approach derives the correct seman-tics for examples claimed to be problematic for LTAG semantic approaches based on the derivation tree. The paper further provides an LTAG semantics for embedded interrogatives. 1 Introduction. Following (Karttunen, 1977), an interrogative clause Q expresses a function from possible situations (or worlds) to the set of true answers to that question Q in that situ-