'Current input symbol' diaporamas de présentation

Context-free Languages

515 views • 37 slides

Shift/Reduce and LR(1)

Shift/Reduce and LR(1). CMSC 431 Shon Vick. Table-driven parsing. Parsing performed by a finite state machine. Parsing algorithm is language-independent. FSM driven by table (s) generated automatically from grammar. Language generator tables. Input. parser.

543 views • 34 slides

? 7 ? LL ?? ??

???? ??. ? 7 ? LL ?? ??. 7.1 ??? ?? ??. Deterministic Top-Down Parsing ::= deterministic selection of production rules to be applied in top-down syntax analysis. One pass nobackup 1. Input string is scanned once from left to right.

550 views • 30 slides

6.1 ?? ?? ??

6.1 ?? ?? ??. How to check whether an input string is a sentence of a grammar and how to construct a parse tree for the string.

419 views • 26 slides

Top-down Parsing

By Georgi Boychev, Rafal Kala, Ildus Mukhametov. Top-down Parsing. Outline. Introduction. Directional top-down parsing. Imitating leftmost derivations. The pushdown automaton. Breadth-first top-down parsing. Depth-first (backtracking) parsers. Conclusion. Introduction.

456 views • 19 slides

Recurrent Neural Networks

AI: Neural Networks lecture 5 Tony Allen School of Computing & Informatics Nottingham Trent University. Recurrent Neural Networks. The solution to many real world problems require information concerning past inputs.

162 views • 12 slides