'Dfa' diaporamas de présentation

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Non-Deterministic Automata Regular Expressions

Non-Deterministic Automata Regular Expressions. NFA Example. NFA Example. Input aplhabet, i.e. Formal Definition of NFAs. Set of states, i.e. Transition function. Initial state. Final states. Transition Function. Extended Transition Function. Formally. It holds. if and only if.

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On-line Linear-time Construction of Word Suffix Trees

On-line Linear-time Construction of Word Suffix Trees. Shunsuke Inenaga (Japan Society for the Promotion of Science & Kyushu University) Masayuki Takeda (Kyushu University & JST). Pattern Searching Problem. Given ? text T in S * and pattern P in S *

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CS5371 Theory of Computation

CS5371 Theory of Computation. Lecture 12: Computability III (Decidable Languages relating to DFA, NFA, and CFG). Objectives. Recall that decidable languages are languages that can be decided by TM (that means, the corresponding TM will accept or reject correctly, never loops)

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Decidability: Decidable Languages

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An Efficient Regular Expressions Compression Algorithm From A New Perspective

An Efficient Regular Expressions Compression Algorithm From A New Perspective. Author: Tingwen Liu, Yifu Yang, Yanbing Liu, Yong Sun, Li Guo Publisher: INFOCOM, 2011 Presenter: Yuen- Shuo Li Date : 2013/02/27. Background.

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Zulu: an active finite state machine learning competition

Zulu: an active finite state machine learning competition. Valencia September 2010. Colin de la Higuera. General goal. http://labh-curien.univ-st-etienne.fr/ zulu To support research in DFA learning To promote active learning as an alternative to statistical learning

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Lexical Analysis

Lexical Analysis. Uses formalism of Regular Languages Regular Expressions Deterministic Finite Automata (DFA) Non-deterministic Finite Automata (NDFA) RE ? NDFA ? DFA ? minimal DFA (F)Lex uses RE as input, builds lexor. DFAs: Formal Definition. DFA M = (Q, S , d , q 0 , F)

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Announcements Assignment #2 is posted: Due Fri. Oct. 8. Tutorial #3: print and take to lab.

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The COBOL DFA Tool: A Work in Progress

The COBOL DFA Tool: A Work in Progress. Ronald Finkbine, Ph.D. Indiana University Southeast New Albany, IN rfinkbine@ius.edu. Introduction. Software Complexity Programmer Understandability Maintainability Reduction by Tools Reduction by Technique. Deterministic Finite Automaton.

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CSC 3130: Automata theory and formal languages

Fall 2008. The Chinese University of Hong Kong. CSC 3130: Automata theory and formal languages. More on DFA minimization and DFA equivalence. Andrej Bogdanov http://www.cse.cuhk.edu.hk/~andrejb/csc3130. Example.

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CS310

CS310. Converting NFA to DFA Sections:1.2 Page 54 September 15, 2006. Quick Review. 5 tuple ( Q, ? , ? , q 0 ,F) ? ? = ? U { ? } ? : Q x ? ? -> P (Q) Every NFA has an equivalent DFA (Th 1.39) We can convert from NFA to DFA NFAs are often easier to build

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Are DFAs and NFAs Equivalent

Are DFAs and NFAs Equivalent. It turns out DFAs and NFAs accept exactly the same languages. To show this we must prove every DFA can be converted into an NFA which accepts the same language, and vice-versa. Power of a class of machines.

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SRD-DFA Achieving Sub-Rule Distinguishing with Extended DFA Structure

SRD-DFA Achieving Sub-Rule Distinguishing with Extended DFA Structure. Author: Gao Xia , Xiaofei Wang , Bin Liu Publisher : IEEE DASC ( International Conference on Dependable, Autonomic and Secure Computing ) 2009 Presenter : Sih -An Pan Date : 2014/08/13.

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Sampling Techniques to Accelerate Pattern Matching in Network Intrusion Detection Systems

Sampling Techniques to Accelerate Pattern Matching in Network Intrusion Detection Systems. Author: Domenico Ficara , Gianni Antichi , Andrea Di Pietro, Stefano Giordano, Gregorio Procissi , Fabio Vitucci Publisher: IEEE ICC 2010 Presenter : Ching-Hsuan Shih

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Presenting DFA Results to Decision Makers

Presenting DFA Results to Decision Makers. 2003 CAS Research Working Party: Executive Level Decision Making using DFA Nathan Babcock, ACAS. Agenda. What are the challenges in presenting DFA results? What are some common elements in a DFA presentation?

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Homework 2

Homework 2. DFA definition. 1. Given the DFA : a) Draw a state transition diagram for the DFA M. b) Let M = (Q, S , d , s, F). Then what are the contents of Q, S , d , S and F, respectively. Q = _______________________ S = _____________________

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