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The Hadoop Distributed File System

The Hadoop Distributed File System (HDFS) is designed to store very large data sets reliably, and to stream those data sets at high bandwidth to user applications. In a large cl...

Structure and evolution of online social networks

In this paper, we consider the evolution of structure within large online social networks. We present a series of measurements of two such networks, together comprising in exces...

An architecture for parallel topic models

This paper describes a high performance sampling architecture for inference of latent topic models on a cluster of workstations. Our system is faster than previous work by over ...

Trust region Newton methods for large-scale logistic regression

Large-scale logistic regression arises in many applications such as document classification and natural language processing. In this paper, we apply a trust region Newton method...

Control of protein functional dynamics by peptide linkers

Abstract Control of structural flexibility is essential for the proper functioning of a large number of proteins and multiprotein complexes. At the residue level, such flexibili...

Extracting certainty from uncertainty: regret bounded by variation in costs