Azade Nazi

Learn More
In this paper, we introduce a novel, general purpose, technique for faster sampling of nodes over an online social network. Specifically , unlike traditional random walks which wait for the convergence of sampling distribution to a predetermined target distribution a waiting process that incurs a high query cost-we develop WALK-ESTIMATE, which starts with a(More)
Nowadays mobile phones are not only communication devices, but also a source of rich sensory data that can be collected and exploited by distributed people-centric sensing applications. Among them, environmental monitoring and emergency response systems can particularly benefit from people-based sensing. Due to the limited resources of mobile devices,(More)
The increasing popularity and widespread use of online review sites over the past decade has motivated businesses of all types to possess an expansive arsenal of user feedback (preferably positive) in order to mark their reputation and presence in the Web. Though a significant proportion of purchasing decisions today are driven by average numeric scores(More)
An online community network such as Twitter or amazon .com links entities (e.g., users, products) with various relationships (e.g., friendship, co-purchase) and make such information available for access through a web interface. The web interfaces of these networks often support features such as keyword search and " get-neighbors "-so a visitor can quickly(More)
The increasing popularity and widespread use of online review sites over the past decade has motivated businesses of all types to possess an expansive arsenal of user feedback (preferably positive) in order to mark their reputation and presence in the Web. Though a significant proportion of purchasing decisions today are driven by average numeric scores(More)
Over the past few decades as purchasing options moved on-line, the widespread use and popularity of online review sites has simultaneously increased. In spite of the fact that a huge extent of buying choices today are driven by numeric scores (e.g., rating a product), detailed reviews play an important role for activities like purchasing an expensive DSLR(More)