collaborative thesaurus tagging the wikipedia way

Collaborative Collaborative thesaurus thesaurus

tagging the tagging the Wikipedia wayWikipedia wayinformation management information management

TeacherTeacher ：： Wesley ShuWesley Shu

ReporterReporter ：： Jizheng TsaiJizheng Tsai

Mail:[email protected]:[email protected]

此份講義採用此份講義採用 Creative CommonsCreative Commons 「姓名標示「姓名標示 -- 非商業性非商業性 -- 相同方式分享台灣相同方式分享台灣 2.02.0版」授權版」授權條款條款

OutlineOutline• Introduction• Wikipedia’s Category System• Thesauri in Information Retrieval and

Wikipedia• Collaborative Tagging System• Structural Prosperities• Summary and Conclusion

Introduction(1/3)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

Introduction(2/3)Introduction(2/3)• Thesaurus indexing

– Wikipedia’s Category system– Medical Subject Headings

• Flat collaborative tagging– Del.icio.us

• Classification system– Dewey Decimal Classification (DDC)

Introduction(3/3)Introduction(3/3)

WikipediaWikipedia’’s category s category system(1/6)system(1/6)

Page Title Namespace Title

[[Discussion: Apple]] Discussion Apple

[[Banana]] main Banana

[[category: fruits]] category fruits

[[category: apples]] category apples


長尾理論世界是平的

書

世界是平的大鋼世界是平的簡介全球化三因素

Thesauri in information Thesauri in information retrieval and wikipedia(1/6)retrieval and wikipedia(1/6)

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

Descriptors per record(1/2)Descriptors per record(1/2)

Descriptors per record(2/2)Descriptors per record(2/2)

Record per descriptor(1/2)Record per descriptor(1/2)Power Law Distribution

Descriptor level(1/2)Descriptor level(1/2)

Descriptor level(2/2)Descriptor level(2/2)Normal Distribution

Broder terms per term(1/2)Broder terms per term(1/2)Exponential Distribution

Broader terms per term(2/2)Broader terms per term(2/2)

Summary and conclusionSummary and conclusion

ReferenceReference• 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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collaborative thesaurus tagging the wikipedia way

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