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WWW
2010
ACM
14 years 2 months ago
Exploiting social context for review quality prediction
Online reviews in which users publish detailed commentary about their experiences and opinions with products, services, or events are extremely valuable to users who rely on them ...
Yue Lu, Panayiotis Tsaparas, Alexandros Ntoulas, L...
FOCS
2008
IEEE
14 years 1 months ago
Beating the Random Ordering is Hard: Inapproximability of Maximum Acyclic Subgraph
We prove that approximating the Max Acyclic Subgraph problem within a factor better than 1/2 is Unique-Games hard. Specifically, for every constant ε > 0 the following holds:...
Venkatesan Guruswami, Rajsekar Manokaran, Prasad R...
INFOCOM
2008
IEEE
14 years 1 months ago
Towards Optimal Resource Allocation in Partial-Fault Tolerant Applications
—We introduce Zen, a new resource allocation framework that assigns application components to node clusters to achieve high availability for partial-fault tolerant (PFT) applicat...
Nikhil Bansal, Ranjita Bhagwan, Navendu Jain, Yoon...
MIR
2010
ACM
191views Multimedia» more  MIR 2010»
13 years 11 months ago
Video retargeting with multi-scale trajectory optimization
Mobile devices are increasingly powerful in media storage and rendering. The prevalent request of decent video browsing on mobile devices is demanding. However, one limitation com...
Yuanning Li, YongHong Tian, Jingjing Yang, Ling-Yu...
BMCBI
2007
162views more  BMCBI 2007»
13 years 7 months ago
Three-Dimensional Phylogeny Explorer: Distinguishing paralogs, lateral transfer, and violation of "molecular clock" assumption w
Background: Construction and interpretation of phylogenetic trees has been a major research topic for understanding the evolution of genes. Increases in sequence data and complexi...
Namshin Kim, Christopher Lee