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A Data-Driven Analysis of Workers' Earnings on Amazon Mechanical Turk

The characteristics of tasks and working patterns that yield higher hourly wages are explored, and platform design and worker tools are informed to create a more positive future for crowd work.
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VizWiz Grand Challenge: Answering Visual Questions from Blind People

Evaluation of modern algorithms for answering visual questions and deciding if a visual question is answerable reveals that VizWiz is a challenging dataset, which is introduced to encourage a larger community to develop more generalized algorithms that can assist blind people.
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VizWiz: nearly real-time answers to visual questions

VizWiz is introduced, a talking application for mobile phones that offers a new alternative to answering visual questions in nearly real-time - asking multiple people on the web to support answering questions quickly.
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Finding your friends and following them to where you are

The interplay between people's location, interactions, and their social ties within a large real-world dataset is explored, and Flap, a system that solves two intimately related tasks: link and location prediction in online social networks, is presented and evaluated.
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VizWiz: nearly real-time answers to visual questions

VizWiz uses the Internet connections and cameras on existing smartphones to connect blind people and their questions to remote paid workers' answers, making it both competitive with expensive automatic solutions and much more versatile.
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Combining Independent Modules to Solve Multiple-choice Synonym and Analogy Problems

Three merging rules for combining probability distributions are examined: the well known mixture rule, the logarithmic rule, and a novel product rule that were applied with state-of-the-art results to two problems commonly used to assess human mastery of lexical semantics|synonym questions and analogy questions.
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Slide rule: making mobile touch screens accessible to blind people using multi-touch interaction techniques

Slide Rule is introduced, a set of audio-based multi-touch interaction techniques that enable blind users to access touch screen applications and shows that Slide Rule was significantly faster than the button-based system, and was preferred by 7 of 10 users.
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Supporting blind photography

The results of a large survey are presented that shows how blind people are currently using cameras and EasySnap, an application that provides audio feedback to help blind people take pictures of objects and people and shows that blind photographers take better photographs with this feedback.
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WebInSight:: making web images accessible

WebInSight, a system that automatically creates and inserts alternative text into web pages on-the-fly, is introduced, with three labeling modules based on web context analysis, enhanced optical character recognition (OCR) and human labeling.
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Investigating the appropriateness of social network question asking as a resource for blind users

It is found that blind people have a large presence on social networking sites, but do not see them as an appropriate venue for asking questions due to high perceived social costs.
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