'Helpfulness' in online communities: a measure of message quality

Full Text: PDF Buy this Article Author: Jahna Otterbacher University of Michigan, Ann Arbor, MI, USA Published in: · Proceeding CHI '09 Proceedings of the 27th international conference on Human factors in computing systems ACM New York, NY, USA ©2009 table of contents ISBN: 978-1-60558-246-7 doi>10.1145/1518701.1518848

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