Financial Comic Information Retrieval System

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Jhih-Ming Chen

Technologie Business

Financial ComicInformation Retrieval System 2010/05/28 1

Outline Architecture of IR system Indexing process Query process 2

Indexing process MySQL Database Text Acquisition Index Creation Index Financial Comics 資料來源：鉅融全球資本市場演進知識庫 http://www.global5capital.com Text Transformation 3

Indexing process Text Acquisition Store the description of Financial Comics in the database Database schema 4

Indexing process Text Transformation Convert text encoding to UTF-8 Stopping Filter punctuation and number from document Filter a single English alphabet 5

Indexing process Index Creation Unigram Bigram Word Segmentation Yahoo! 斷章取義API Compute tf.idf weight for index term tf(term frequency) idf(inverse document frequency) 6

Query process MySQL Database User Interaction Ranking Index 8

Query process User Interaction Construct the display of top 10 documents for a query Highlight keywords Ranking Measure by tf∙idf weight 9

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Financial Comic Information Retrieval System

1. Financial ComicInformation Retrieval System 2010/05/28 1

2. Outline Architecture of IR system Indexing process Query process 2

3. Indexing process MySQL Database Text Acquisition Index Creation Index Financial Comics 資料來源：鉅融全球資本市場演進知識庫 http://www.global5capital.com Text Transformation 3

4. Indexing process Text Acquisition Store the description of Financial Comics in the database Database schema 4

5. Indexing process Text Transformation Convert text encoding to UTF-8 Stopping Filter punctuation and number from document Filter a single English alphabet 5

6. Indexing process Index Creation Unigram Bigram Word Segmentation Yahoo! 斷章取義API Compute tf.idf weight for index term tf(term frequency) idf(inverse document frequency) 6

7. 7 idf value tf value

8. Query process MySQL Database User Interaction Ranking Index 8

9. Query process User Interaction Construct the display of top 10 documents for a query Highlight keywords Ranking Measure by tf∙idf weight 9

10. Demo 10