什么是Crowdsourcing,眾包
眾包是一種獲取資源的一種模式杠巡,個人和組織可以利用網(wǎng)絡用戶來獲取需要的服務和想法
因為群體可以比個人做的好派歌,大群體可以比小群體做的好
4 characteristics of smart crowds
- Diversity of opinion,每個人都要有一些的private information
- Independent含滴, 每個人的意見不受其他人的影響
- Decentralization诱渤, 每個人都是專注的地方和自己的知識 (local knowledge)
- Aggregation,將私人判斷轉換為集體決定
有時候會受到peer pressure和authority interfere
Information Cascade 隨大流
自然的和不自然的跟從別人的行為谈况,因為人類的個體通過學習別人的生存技能而得以生存勺美。
隨大流的開始者和結束者
都是overconfident people, 因為他們相比大家的選擇碑韵,他們對自己的選擇更加有信心
Overconfident people – who value their own private information more than the public one
Decentralization 的問題
有時候赡茸,需要有一個機制可以將不同的信息和意見統(tǒng)一成一個。
The prediction Market
用來收集信息的市場祝闻,輸贏取決于某一特殊事件坛掠,明天美股大盤上升還是下降
小團體和Wise crowd的不同點
people think themselves as members of a team, while in a market, think of themselves as Independent actors.
When are small group productive
- When there is a clear answer
- Diversity of group is important
- the order of speaking is important
Crowd Sourcing
Crowd + outsourcing = crowdsourcing
Main concept is getting something done using others help.
Crowdwork
Microwork, is breaking a large task into smaller tasks and sub tasks. Then is ditributed to internet participants.
即,分包治筒,將一個項目分為多個人做完
Macrowork, is task can be done by independently, and usually takes a determined amount of time, like deadline.
即屉栓,整包,將一個項目給一個人做完
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