'Q0 q1 q2' presentation slideshows

Formal Language

1.1k views • 71 slides

Finite-State Morphology

844 views • 67 slides

Human vs. Machine

Human vs. Machine. Human beings are much better at resolving signal ambiguities than are computers. Computers are improving (e.g. Watson and Jeopardy) Turing Test: Are we communicating with a human or machine?

1.35k views • 65 slides

Regular Expressions and Automata in Natural Language Analysis

Regular Expressions and Automata in Natural Language Analysis. CS 4705. Some slides adapted from Hirschberg, Dorr/Monz, Jurafsky. Announcements. New Office Hours for Kaushal Lahankar Usually: Th 4-5; Fri 1-2 THIS WEEK: Fri 1-3 Class participation and CVN.

808 views • 52 slides

Compiler Design 2. Regular Expressions & Finite State Automata (FSA)

Kanat Bolazar January 21, 2010. Compiler Design 2. Regular Expressions & Finite State Automata (FSA). Contents. In these slides we will see: Introduction, Concepts and Notations Regular Expressions, Regular Languages RegExp Examples Finite-State Automata (FSA/FSM).

741 views • 48 slides

LING 6932 Topics in Computational Linguistics

LING 6932 Topics in Computational Linguistics. Hana Filip Lecture 2: Regular Expressions, Finite State Automata. Regular expressions. formulas for specifying text strings How can we search for any of these strings? woodchuck woodchucks Woodchuck Woodchucks. Figure from Dorr/Monz slides.

512 views • 42 slides

CSC 3130: Automata theory and formal languages

Fall 2009. The Chinese University of Hong Kong. CSC 3130: Automata theory and formal languages. NFA to DFA conversion and regular expressions. Andrej Bogdanov http://www.cse.cuhk.edu.hk/~andrejb/csc3130. NFAs are as powerful as DFAs. Obviously, an NFA can do everything a DFA can do

436 views • 34 slides

D-Link HQ July, 201 2

DXS-3600 Series Sales Guide HW: B1. D-Link HQ July, 201 2. D-Link confidential. Contents. Trend of Data Center Target Application Product Overview Hardware Overview Expansion Modules Accessory Software Overview Competitive Comparison & Analysis Art of War

513 views • 32 slides

Lecture Three: Finite Automata

Lecture Three: Finite Automata. Amjad Ali. DFA: Deterministic Finite Automaton. An informal definition (formal version later): A diagram with a finite number of states represented by circles An arrow points to one of the states, the unique start state

1.11k views • 30 slides

20. Electric Charge, Force, and Field

752 views • 29 slides

Specification Formalisms: Temporal Logic and Automata on Infinite Words

Specification Formalisms: Temporal Logic and Automata on Infinite Words. Literature: Peled ch. 5 Mads Dam. Temporal Logic. Logic of transition system executions Propositional/first-order logic = state assertions Temporal assertions = assertions on system executions

434 views • 26 slides

Finite State Automata

Finite State Automata. Formal Specification of Languages. Generators Context-free Grammars Regular Expressions Recognizers Parsers, Push-down Automata Finite State Automata FSA is a mechanism to recognize a set of valid inputs before carrying out an action.

542 views • 25 slides

NFA to DFA Conversion

NFA to DFA Conversion. Rabin and Scott (1959). Removing Nondeterminism. By simulating all moves of an NFA- ? in parallel using a DFA. ? -closure of a state is the set of states reachable using only the ? -transitions. . NFA- ?. p2. ?. p1. a. p3. q1. ?. ?. p5. ?. q2. a. p4.

743 views • 14 slides

NFA to DFA Conversion

NFA to DFA Conversion. Rabin and Scott (1959). Removing Nondeterminism. By simulating all moves of an NFA- ? in parallel using a DFA. ? -closure of a state is the set of states reachable using only the ? -transitions. NFA- ?. p2. ?. p1. a. p3. q1. ?. ?. p5. ?. q2. a. p4.

1.4k views • 14 slides