Csr2011 june17 11_00_lonati
Cs419 lec7 cfg
Lec4
A Natural Language Interface for Crime-related Spatial Queries Chengyang Zhang, Yan Huang, Rada Mihalcea, Hector Cuellar Department of Computer Science.
Lexical Analysis
Lexical Analysis Uses formalism of Regular Languages – Regular Expressions – Deterministic Finite Automata (DFA) – Non-deterministic Finite Automata (NDFA)
Parsing. Parsing Calculate grammatical structure of program, like diagramming sentences, where: Tokens = “words” Tokens = “words” Programs = “sentences”
