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- Courant Institute of Mathematical SciencesUS7 papers
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12 papers · 2 filters
Latent Structured Ranking
Jason Weston, John Blitzer
Many latent (factorized) models have been proposed for recommendation tasks like collaborative filtering and for ranking tasks like document or image retrieval and annotation. Comm…
Multi-track Map Matching
Adel Javanmard, Maya Haridasan, Li Zhang
We study algorithms for matching user tracks, consisting of time-ordered location points, to paths in the road network. Previous work has focused on the scenario where the location…
On the Difficulty of Nearest Neighbor Search
Junfeng He, Sanjiv Kumar, Shih-Fu Chang
Fast approximate nearest neighbor (NN) search in large databases is becoming popular. Several powerful learning-based formulations have been proposed recently. However, not much at…
Adaptive Regularization for Weight Matrices
Koby Crammer, Gal Chechik
Algorithms for learning distributions over weight-vectors, such as AROW were recently shown empirically to achieve state-of-the-art performance at various problems, with strong the…
Compact Hyperplane Hashing with Bilinear Functions
Wei Liu, Jun Wang, Yadong Mu +2
Hyperplane hashing aims at rapidly searching nearest points to a hyperplane, and has shown practical impact in scaling up active learning with SVMs. Unfortunately, the existing ran…
L2 Regularization for Learning Kernels
Corinna Cortes, Mehryar Mohri, Afshin Rostamizadeh
The choice of the kernel is critical to the success of many learning algorithms but it is typically left to the user. Instead, the training data can be used to learn the kernel by…