• Publications
  • Influence
Structured Perceptron with Inexact Search
TLDR
We propose a general framework of "violation-fixing" perceptrons for inexact search with a theoretical guarantee for convergence under new separability conditions. Expand
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Unreeling netflix: Understanding and improving multi-CDN movie delivery
TLDR
We perform a measurement study of Netflix to uncover its architecture and service strategy. Expand
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P2Cast: peer-to-peer patching scheme for VoD service
TLDR
In this paper, we propose P2Cast - an architecture that uses a peer-to-peer approach to cooperatively stream video using patching techniques, while only relying on unicast connections among peers. Expand
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A survey of collaborative filtering based social recommender systems
TLDR
In this paper, we present a survey of collaborative filtering (CF) based social recommender systems and compare several representative algorithms. Expand
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A survey on peer-to-peer video streaming systems
TLDR
In this paper, we provide a survey on the existing P2P streaming systems, including tree, multi-tree and mesh based systems. Expand
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Review of catalytic supercritical water gasification for hydrogen production from biomass
Hydrogen is defined as an attractive energy carrier due to its potentially higher energy efficiency and low generation of pollutants, which can replace conventional fossil fuels in the future. TheExpand
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Measurement Study of Netflix, Hulu, and a Tale of Three CDNs
TLDR
We propose a measurement-based adaptive CDN selection strategy and a multiple-CDN-based video delivery strategy that can significantly increase users' average available bandwidth. Expand
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On top-k recommendation using social networks
TLDR
We conduct a comprehensive study on improving the accuracy of top-k recommendation using social networks by including observed and missing ratings in their training objective functions. Expand
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Scotch: Elastically Scaling up SDN Control-Plane using vSwitch based Overlay
TLDR
We design, implement, and experimentally evaluate Scotch, a solution that elastically scales up the control plane capacity by using a vSwitch based overlay. Expand
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A peer-to-peer on-demand streaming service and its performance evaluation
TLDR
We propose DirectStream, a directory based peer-to-peer video streaming service that efficiently and cost-effectively provides video on-demand service with VCR operation support. Expand
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