Data sparsity, scalability and prediction quality have been recognized as the three most crucial challenges that every collaborative filtering algorithm or recommender system conf...
We describe our participation in the 2009 CLEF-IP task, which was targeted at priorart search for topic patent documents. Our system retrieved patent documents based on a standard...
In this paper, we propose an approach for TV commercial video classification by the categories of advertised products or services (e.g. automobiles, healthcare products, etc). Sin...
Current methods for finding relevant content, especially in media-rich web environments, suggest that metadata is critical for accurate and efficient information retrieval. We des...
This paper introduces Temporal Social Surfaces. Temporal Social Surfaces show the dynamic evolution of social relationships in groups. Changes in measures of social network analys...