Knowledge of relationships among categories is of the interest in different domains such as text classification, content analysis, and text mining. We propose and evaluate approac...
Today, a number of algorithms exist for constructing tag hierarchies from social tagging data. While these algorithms were designed with ontological goals in mind, we know very li...
There has recently been a significant increase in the number of community-based question and answer services on the Web where people answer other peoples’ questions. These serv...
We propose a set of sketch-based interaction techniques for efficient retrieval of multimedia related to locations. The user makes a simple sketch on a map to interact with it, in...
There is an increasing trends towards distributed and shared repositories for storing scientific datasets. Developing applications that retrieve and process data from such reposit...