Signals of expertise in public and enterprise social Q&A

The success of internet social question-answering (Q&A) sites has led businesses to attempt to duplicate this model internally. In such systems, demand for expertise is high, meaning that finding high-quality answers quickly is a top priority. Prior work on expertise discovery, though, has focused on high-traffic public websites like StackExchange. Here, we show that the most predictive metadata features from public websites do not transfer well to the enterprise.