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Home/Magazine Archive/April 2012 (Vol. 55, No. 4)/Technical Perspective: Who Knows?: Searching For Expertise.../Abstract

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Technical Perspective: Who Knows?: Searching For Expertise on the Social Web

By Ed H. Chi
Communications of the ACM, April 2012, Vol. 55 No. 4, Page 110
10.1145/2133806.2133829
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It is difficult to remember what people had to do to find the answer to a question before the Web. One option might be to call a friend who might know the answer. This instinct to call someone is baked into the DNA of Aardvark, the social question and answering engine.

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