Benjamin Goldenberg

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Online crowdsourcing services provide an inexpensive and scalable platform for large-scale information verification tasks. We present our experiences using Ama-zon's Mechanical Turk (AMT) sto verify over 100,000 local business listings for an online directory. We compare the performance of AMT workers to that of experts across five different types of tasks(More)
With the overabundance of online user-generated content, the ability to filter based on relevant perspectives is becoming increasingly important. Identifying the perspective of the authors with the review text would enhance the retrieval of pertinent information. This problem can be traditionally formulated as a text classification task and solved by(More)
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