SDD may refer to:
== Computing == Software Design Description (IEEE 1016–2009), a standard that specifies the form of the document used to specify system architecture and application design in a software-related project Software Design Document, a written outline of the development of a course or a description of a software product Solution Deployment Descriptor, a proposed OASIS standard for software deployment, configuration and maintenance Software Design and Development, an HSC subject in NSW that details the basics of designing and developing software applications Syntax-Directed Definition - a context-free grammar with attributes and rules Sentential Decision Diagram, a formalism in knowledge compilation and artificial intelligence Spec-driven development, a software engineering methodology
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).