Publications
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Understanding the efficiency of social tagging systems using information theory
We analyze a social tagging site, namely del.icio.us, with information theory in order to evaluate the efficiency of this social tagging site for encoding navigation paths to information sources.
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Using utility and microutility to manage resources in vehicle ad hoc networks
In this paper we describe how sources can model the potential usefulness of their information using utility functions that describe where and at what data rates the information will be…
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Using utility and microutility to manage resources in vehicle ad hoc networks
We describe an approach to propagating streams of information in Vehicle Ad-Hoc Networks (VANETs) based on sources of information predicting where the information will be useful---information is pushed "based on…
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Low cost, membrane-less water purification
PARC has developed a compact, low-cost purification system that reduces maintenance down-time, increases throughput, decreases power consumption, and shrinks real estate requirements.
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HO2: A New Feature for Multi-Agent Event Detection and Recognition
In this paper, we present a new feature to model a class of events that consist of complex interactions among multiple entities captured by tracks and inter-object relationships over space…
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Nociceptin Attenuates Methamphetamine Abstinence-Induced Withdrawal-Like Behavior in Planarians
In the present study, we tested the hypothesis that abrupt discontinuation of methamphetamine would also cause withdrawal-like behavior in planarians and that the withdrawal-like behavior would be prevented by nociceptin,…
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Root-Mean-Square Surface Slopes of Phoenix Landing Sites with 75-Cm Bistatic Radar Received By Mars Odyssey
Between August and December 2005, we conducted 76 oblique-incidence scattering experiments using the SRI International 46-m antenna in the Stanford foothills to illuminate Mars for 20-min periods with an unmodulated,…
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Long-Term Alcohol Exposure By Vapor Chamber Alters MRS Detectable Metabolites in Rat Striatum
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Perceived Sleep Quality and Sleepiness in South African University Students
Nine hundred and eighty-six undergraduate students completed a questionnaire about their sleep and lifestyle habits over the previous month, and their fatigue-related driving history.
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Gamma-Aminobutyric Acid Receptor Genes and Nicotine Dependence: Evidence for Association from a Case-Control Study
We found evidence for association between four SNPs in GABRA4, two SNPs in GABRA2 and one SNP in GABRE with nicotine dependence.
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Nicotinic Acetylcholine Receptor Beta 2 Subunit Gene Implicated in a Systems-Based Candidate Gene Study of Smoking Cessation
We performed a systems-based candidate gene study of 1295 single nucleotide polymorphisms (SNPs) in 58 genes within the neuronal nicotinic receptor and dopamine systems to investigate their role in smoking…
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Diffusion Tensor Tractography in Mesencephalic Bundles: Relation to Mental Flexibility in Detoxified Alcohol-Dependent Subjects
Components of the corticocerebellar circuit and the midbrain individually play a central role in addictive processes and have been associated with altered volumes and impairment of cognitive flexibility in alcohol-dependent…