Article

Evaluation of crowdsourced accessibility information sharing

Because of limited local disclosure of accessibility information for people with disabilities, it may be difficult to determine the accessibility of public facilities. To increase the availability of this information, information from paper-based assessments written by disability services experts must be extracted and shared. In this paper, we evaluate a schema that facilitates the sharing of accessibility information for people with disabilities. The schema allows crowd workers to upload handwritten accessibility information, which can then be presented in an easily readable format; the schema also provides an information sharing interface. The evaluation results indicate that crowd workers accurately enter the data using our interface. However, they cannot enter data for more detailed scenarios because of information shortages on written accessibility assessments. To improve this situation, the system should provide crowd workers with supplemental media content such as pictures and diagrams.

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