Organizations' increasing reliance on externally produced information, such as online user-
generated content (UGC) and crowdsourcing, challenges common assumptions about …

Recent decade has seen a dramatic change in the information systems landscape that alters
the ways we design and interact with information technologies, including such …

Crowdsourcing promises to expand organizational knowledge and “sensor” networks
dramatically, making it possible to engage ordinary people in large-scale data collection …

In a research community, the use of the concept of category and categorization is
widespread, generally helpful, but sometimes overly constraining. Despite the wealth of …

We propose an approach for building hierarchical ontology structures based only on a set of
category labels and knowledge of class membership. We illustrate our approach in the …