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Lecture

Crowdsourcing: Key Concepts

In course

DH-500: Computational Social Media

The course integrates concepts from media studies, machine learning, multimedia, and network science to characterize social practices and analyze content in platforms like Twitter/X, Instagram, YouTube, and TikTok. Students will learn computational methods ...

Description

This lecture introduces the concept of crowdsourcing, focusing on key aspects such as the ESP Game, human computation, and the rise of crowdsourcing as a new form of labor. It covers the categorization of crowdsourcing systems, understanding crowdsourcing work, and its applications in citizen science. The lecture also explores the key ingredients of crowdsourcing and problem-focused categorization, showcasing real-world examples like SeeClickFix and Innocentive. Additionally, it delves into the connections between crowdsourcing and social media, highlighting how social media platforms serve as implicit crowdsourcing channels. The lecture concludes with a discussion on crowdworkers demographics, including their gender distribution and household income levels.

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Instructor

Daniel Gatica-Perez

Official source

Related concepts (7)

Crowdsourcing

Crowdsourcing involves a large group of dispersed participants contributing or producing goods or services—including ideas, votes, micro-tasks, and finances—for payment or as volunteers. Contemporary crowdsourcing often involves digital platforms to attract and divide work between participants to achieve a cumulative result. Crowdsourcing is not limited to online activity, however, and there are various historical examples of crowdsourcing. The word crowdsourcing is a portmanteau of "crowd" and "outsourcing".

Amazon Mechanical Turk

Amazon Mechanical Turk (MTurk) is a crowdsourcing website with which businesses can hire remotely located "crowdworkers" to perform discrete on-demand tasks that computers are currently unable to do as economically. It is operated under Amazon Web Services, and is owned by Amazon. Employers (known as requesters) post jobs known as Human Intelligence Tasks (HITs), such as identifying specific content in an image or video, writing product descriptions, or answering survey questions.

Social media

Social media are interactive technologies that facilitate the creation and sharing of information, ideas, interests, and other forms of expression through virtual communities and networks. While challenges to the definition of social media arise due to the variety of stand-alone and built-in social media services currently available, there are some common features: Social media are interactive Web 2.0 Internet-based applications.

Social media marketing

Social media marketing is the use of social media platforms and websites to promote a product or service. Although the terms e-marketing and digital marketing are still dominant in academia, social media marketing is becoming more popular for both practitioners and researchers. Most social media platforms have built-in data analytics tools, enabling companies to track the progress, success, and engagement of ad campaigns.

Household income in the United States