Kay Tang Hoanh Nguyen Hosea Tong-Ho Kaitlin Riegel Paul Denny 0001 Nasser Giacaman Juho Leinonen 0001 Ambiguity by Design: Practicing Requirement Clarification through Natural-Language Dialogue with LLMs. 138-147 2026 ACE https://doi.org/10.1145/3786228.3786249 conf/ace/2026 db/conf/ace/ace2026.html#TangTRDGL26