Cas Open Api 2009 Hack Day

CAS Open API Chloris Kuo Y! Search Asia 2009/10/17

CAS? C ontent A nalysis S ervice

成語新解 ,[object Object],[object Object],斷章取義

CAS Open API ,[object Object],[object Object],[object Object],[object Object],[object Object]

Word Segmentation - Concept ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],王建民 ∕ 首場 ∕ 熱身賽 ∕ 預定 ∕ 下 ∕ 星期二 ∕ 在 ∕ 客場 ∕ 出戰 ∕ 太空人隊

Challenges ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Methodology ,[object Object],[object Object],[object Object],[object Object],[object Object]

Keyword Extraction ,[object Object],[object Object]

tf-idf ,[object Object],[object Object],[object Object],[object Object],[object Object]

tf-idf (cont.) ,[object Object]

tf-idf (cont.) ,[object Object],tf idf tf*idf (10 -6 ) 呀 9 1/8394663 1.07 公理 1 1/110369 9.06 小飛俠 6 1/151774 39.53

Applications: Dynamic Content Match

Applications: Yahoo! Knowledge Plus

Applications: Related Search for Yahoo! News

Resources ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Cas Open Api 2009 Hack Day

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