of theoretical computer science, a pushdown automaton (PDA) is a type of automaton that employs a stack. Pushdown automata are used in theories about...

theory, a deterministic pushdown automaton (DPDA or DPA) is a variation of the pushdown automaton. The class of deterministic pushdown automata accepts the...

An embedded pushdown automaton or EPDA is a computational model for parsing languages generated by tree-adjoining grammars (TAGs). It is similar to the...

powerful than DFAs. A pushdown automaton that is allowed to move either way on its input tape is called two-way pushdown automaton (2PDA); it has been studied...

notion of a deterministic visibly pushdown automaton is a restriction of the notion of a deterministic pushdown automaton. Following Alur and Madhusudan...

input automaton). NFAs have been generalized in multiple ways, e.g., nondeterministic finite automata with ε-moves, finite-state transducers, pushdown automata...

pushed and popped. This kind of automaton is called a pushdown automaton. Queue memory: An automaton may have memory in the form of a queue. Such a machine...

exactly all languages that can be recognized by a non-deterministic pushdown automaton. Context-free languages—or rather its subset of deterministic context-free...

finite automaton Communicating finite-state machine Control system Control table Decision tables DEVS Hidden Markov model Petri net Pushdown automaton Quantum...

Pushdown may refer to: Pushdown automaton, a concept in theoretical computer science More generally, anything relating to a stack Push-down (exercise)...

retrieve data from an infinite-memory queue. Its design is similar to a pushdown automaton but differs by replacing the stack with this queue. A queue machine...

pushdown automata, which makes these languages amenable to parsing. Further, for a given CFG, there is a direct way to produce a pushdown automaton for...

context-free language include: pushdown automata context-free grammar proof on wikt:nondeterministic pushdown automaton to context-free grammar proof on...

are context-free languages that can be accepted by a deterministic pushdown automaton. DCFLs are always unambiguous, meaning that they admit an unambiguous...

the following: State models including Turing machine, pushdown automaton, finite-state automaton, and PRAM Functional models including lambda calculus...

with embedded pushdown automata, which have less computational power.[citation needed] A (nondeterministic two-way) nested stack automaton is a tuple ⟨Q...

possible to prove that any NFA is reducible to an equivalent DFA. Pushdown automaton Similar to the finite state machine, except that it has available...

Guo-Zheng; Giles, C. Lee; Chen, Hsing-Hen (1998). "The Neural Network Pushdown Automaton: Architecture, Dynamics and Training". In Giles, C. Lee; Gori, Marco...

language is linear iff it can be generated by a one-turn pushdown automaton – a pushdown automaton that, once it starts popping, never pushes again. Linear...

automaton (DFA)—also known as deterministic finite acceptor (DFA), deterministic finite-state machine (DFSM), or deterministic finite-state automaton...

metric connection the stack alphabet in the formal definition of a pushdown automaton, or the tape-alphabet in the formal definition of a Turing machine...

finite automaton to reliably test for palindromes. In addition, the set of palindromes may not be reliably tested by a deterministic pushdown automaton which...

Turing machine.) A Turing machine is equivalent to a single-stack pushdown automaton (PDA) that has been made more flexible and concise by relaxing the...

Context-free grammars specify programming language syntax. Non-deterministic pushdown automata are another formalism equivalent to context-free grammars. Primitive...

part of Tomita's algorithm, where it replaces the usual stack of a pushdown automaton. This allows the algorithm to encode the nondeterministic choices...

A tree stack automaton (plural: tree stack automata) is a formalism considered in automata theory. It is a finite-state automaton with the additional ability...

language can be accepted by a real-time (non-deterministic) pushdown automaton, i.e., the automaton reads a letter from its input every step. Given a grammar...

deterministic finite automaton (DFA) deterministic finite state machine deterministic finite tree automaton deterministic pushdown automaton (DPDA) deterministic...

conducting polymers Predictive analytics, a form of business analytics Pushdown automaton, in automata theory Pancreatic ductal adenocarcinoma, the main type...

using an automaton. Parse Tree: The alignment of the grammar to a sequence. An example of a parser for PCFG grammars is the pushdown automaton. The algorithm...