'Failure function' diaporamas de présentation

String Matching

String Matching. The problem: Input: a text T (very long string) and a pattern P (short string). Output: the index in T where a copy of P begins. Some Notations and Terminologies. |P| and |T| : the lengths of P and T. P[i] : the i-th letter of P.

446 views • 30 slides

Pop Quiz

478 views • 27 slides

Pattern Matching

Pattern Matching. A string is a sequence of characters Examples of strings: Java program HTML document DNA sequence Digitized image An alphabet S is the set of possible characters for a family of strings Example of alphabets: ASCII Unicode {0, 1} {A, C, G, T}.

339 views • 22 slides

String Matching

String Matching. The problem: Input: a text T (very long string) and a pattern P (short string). Output: the index in T where a copy of P begins. Some Notations and Terminologies. |P| and |T| : the lengths of P and T. P[i] : the i-th letter of P.

239 views • 21 slides

Pattern Matching

Pattern Matching. A string is a sequence of characters Examples of strings: Python program HTML document DNA sequence Digitized image An alphabet S is the set of possible characters for a family of strings Example of alphabets: ASCII Unicode {0, 1} {A, C, G, T}.

193 views • 15 slides

Pattern Matching

Pattern Matching. A string is a sequence of characters Examples of strings: Java program HTML document DNA sequence Digitized image An alphabet S is the set of possible characters for a family of strings Example of alphabets: ASCII Unicode {0, 1} {A, C, G, T}.

136 views • 13 slides

Construction of Aho Corasick Automaton in Linear Time for Integer Alphabets Shiri Dori

Construction of Aho Corasick Automaton in Linear Time for Integer Alphabets Shiri Dori Gad M. Landau. Aho-Corasick Automaton: Goto Function (trie) Failure Function Nodes with output. her. ?. 1. 4. 12. 7. e. h. i. t. 11. 2. 13. 8. 5. ey. he. ir. is. th. 9. 3. 6. 14.

258 views • 12 slides