I knew Jim Gray as a colleague, a friend and an employee. He created the first Microsoft Research group outside of our initial research lab in Redmond, WA. Jim's impact on in...
Most scientific models are not physical objects, and this raises important questions. What sort of entity are models, what is truth in a model, and how do we learn about models? In...
Almost 20% of big earthquakes in the world occur in Japan. It becomes impossible for private companies and governments to carry out their business if they suffer from severe damage...
—Users querying massive social networks or RDF databases are often not 100% certain about what they are looking for due to the complexity of the query or heterogeneity of the dat...
The current search engine model considers users not trustworthy, so no tools are provided to let them specify what they are looking for or in what context, which severely limits wh...