Collaborative thesaurus tagging the Wikipedia way information management Teacher ： Wesley Shu Reporter ： Jizheng Tsai Mail:954203057@cc.ncu.edu.tw 此份講義採用 Creative Commons 「姓名標示 - 非商業性 - 相同方式分享台灣 2.0 版」授權條款

Outline Introduction Wikipedia ’ s Category System Thesauri in Information Retrieval and Wikipedia Collaborative Tagging System Structural Prosperities Summary and Conclusion

Introduction

Wikipedia ’ s Category System

Thesauri in Information Retrieval and Wikipedia

Collaborative Tagging System

Structural Prosperities

Summary and Conclusion

Introduction(1/3) Popular annotation system Del.ico.us Flickr Technorati RawSugar CiteUlike Wikimedia Foundation Wikicommons Wikibooks Wikinews Wiktionary Wikiversity Multilingual dictionary Media Wiki software GFDL GUN Free Documentation License

Popular annotation system

Del.ico.us

Flickr

Technorati

RawSugar

CiteUlike

Wikimedia Foundation

Wikicommons

Wikibooks

Wikinews

Wiktionary

Wikiversity

Multilingual dictionary

Media Wiki software

GFDL

GUN Free Documentation License

Introduction(2/3) Thesaurus indexing Wikipedia ’ s Category system Medical Subject Headings Flat collaborative tagging Del.icio.us Classification system Dewey Decimal Classification (DDC)

Thesaurus indexing

Wikipedia ’ s Category system

Medical Subject Headings

Flat collaborative tagging

Del.icio.us

Classification system

Dewey Decimal Classification (DDC)

Introduction(3/3)

Wikipedia ’ s category system(1/6) Page Title Namespace Title [[Discussion: Apple]] Discussion Apple [[Banana]] main Banana [[category: fruits]] category fruits [[category: apples]] category apples

Wikipedia ’ s category system(2/6)

Wikipedia ’ s category system(3/6)

Wikipedia ’ s category system(4/6)

Wikipedia ’ s category system(5/6)

Wikipedia ’ s category system(6/6)

Thesauri in information retrieval and wikipedia(1/6)

Thesauri in information retrieval and wikipedia(2/6)

Thesauri in information retrieval and wikipedia(3/6)

Thesauri in information retrieval and wikipedia(4/6)

Thesauri in information retrieval and wikipedia(5/6)

Structure properties Descriptors(tags) per record Record per descriptor(tag) Descriptor levels Broader terms per term

Descriptors(tags) per record

Record per descriptor(tag)

Descriptor levels

Broader terms per term

Descriptors per record(1/2)

Descriptors per record(2/2)

Record per descriptor(1/2) Power Law Distribution

Descriptor level(1/2)

Descriptor level(2/2) Normal Distribution

Broder terms per term(1/2) Exponential Distribution

Broader terms per term(2/2)

Summary and conclusion

Reference Jakob Voss, “ New Collaborative thesaurus tagging the Wikipedia way”, Wikimedia Deutschland e.V. 陳淑君 , 城菁汝 ,” 索引典概念與規劃” Wikipedia Flickr Wikipedia del.icio.us

Jakob Voss, “ New Collaborative thesaurus tagging the Wikipedia way”, Wikimedia Deutschland e.V.

陳淑君 , 城菁汝 ,” 索引典概念與規劃”

Wikipedia

Flickr

Wikipedia

del.icio.us

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