Khabiri, Elham, Chiao-Fang Hsu, and James Caverlee. 2009. “Analyzing and Predicting Community Preference of Socially Generated Metadata: A Case Study on Comments in the Digg Community”. Proceedings of the International AAAI Conference on Web and Social Media 3 (1):238-41. https://doi.org/10.1609/icwsm.v3i1.13973.