Personalized search systems have evolved to utilize heterogeneous features including document hyperlinks, category labels in various taxonomies and social tags in addition to free...
Many recommendation and retrieval tasks can be represented as proximity queries on a labeled directed graph, with typed nodes representing documents, terms, and metadata, and labe...
In many prediction tasks, selecting relevant features is essential for achieving good generalization performance. Most feature selection algorithms consider all features to be a p...
Su-In Lee, Vassil Chatalbashev, David Vickrey, Dap...
The practice of software development can likely be improved if an externalized model of each programmer's knowledge of a particular code base is available. Some tools already...
We address the learning of trust based on past observations and context information. We argue that from the truster's point of view trust is best expressed as one of several ...