断头指标25.ppt

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2018-03-31 发布于北京
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断头指标25.ppt

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断头指标25

Bidirectional Online Construction of Affix Tree;Source;Outline;Sigma+ Tree ;Path(n);CST CPT (1);CST CPT (2);Affix Tree(1);Affix Tree(2);Affix Tree(2);Affix Tree(3);This is not the prefix tree….;Affix Tree(4);Nested Suffix / Prefix;Nested Suffix / Prefix(2);Nested Suffix / Prefix(3);Constructing Affix Tree(1);Constructing Affix Tree(2);Constructing Affix Tree(3);Constructing Affix Tree(4);Constructing Affix Tree(5);Online construction of Suffix Tree in reversed order;Online construction of Suffix Tree in reversed order;Online construction of Suffix Tree in reversed order;From CST(t) to CST(at);Definition;From CST(t) to CST(at);From CST(t) to CST(at);Step1: find 生長點(at) from 生長點(t).;Step1: find 生長點(at) from 生長點(t).;Step1: find 生長點(at) from 生長點(t).;Step1: find 生長點(at) from 生長點(t).;Proof of Lemma2;Step1: find 生長點(at) from 生長點(t).;Step1: find 生長點(at) from 生長點(t).;Step1: find 生長點(at) from 生長點(t).; Step2: insert the leaf for at at 生長點(at).; Step2: insert the leaf for at at 生長點(at).; Step2: insert the leaf for at at 生長點(at).; Step2: insert the leaf for at at 生長點(at).; Proof of Lemma3;How to generate suffix link for the branching node?;How to generate suffix link for the branching node… cont.; Step2: insert the leaf for at at 生長點(at).; Step2: insert the leaf for at at 生長點(at).;Example;Example;Example;Example;Example;Example;Example;Example;Example;Time Complexity of the construction of CST(t);Time Complexity of Step1;Time Complexity of Step1;Time Complexity of Step2;Time Complexity of the construction of CST(t);Uni-directional Construction of CAT;Construction of CAT;Construction of CAT;CAT;Why Step 1;Why Step1;What about other suffix links?;Why Step2?;Why Step 3?;Step 45;Step 45;Step 6;CAT;Correctness;Ukkonen’s algorithm;After Step 5.1;After Step 5.1;Correctness;斷頭指標 of prefix node t;Correctness of reinserting prefix t;Correctness;Inserting Prefix ta;Correctness of inserting prefix ta;Correctness of inserting prefix ta;Update the suffix link of the new prefix