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4 papers · 2 filters
Web-Based Question Answering: A Decision-Making Perspective
David Azari, Eric J. Horvitz, Susan Dumais +1
We describe an investigation of the use of probabilistic models and cost-benefit analyses to guide resource-intensive procedures used by a Web-based question answering system. We f…
Structured Query Reformulations in Commerce Search
Sreenivas Gollapudi, Samuel Ieong, Anitha Kannan
Recent work in commerce search has shown that understanding the semantics in user queries enables more effective query analysis and retrieval of relevant products. However, due to…
Maximum Entropy for Collaborative Filtering
Lawrence Zitnick, Takeo Kanade
Within the task of collaborative filtering two challenges for computing conditional probabilities exist. First, the amount of training data available is typically sparse with respe…
Multidimensional counting grids: Inferring word order from disordered bags of words
Nebojsa Jojic, Alessandro Perina
Models of bags of words typically assume topic mixing so that the words in a single bag come from a limited number of topics. We show here that many sets of bag of words exhibit a…