Identifying communities in social networks is a problem of great interest. One popular type of community is where every member of the community knows all others, which can be view...
This paper merges hierarchical reinforcement learning (HRL) with ant colony optimization (ACO) to produce a HRL ACO algorithm capable of generating solutions for large domains. Th...
In this paper, we present a travel guidance system W 2Go (Where to Go), which can automatically recognize and rank the landmarks for travellers. In this system, a novel Automatic ...
While WiFi-based indoor localization is attractive, the need for a significant degree of pre-deployment effort is a key challenge. In this paper, we ask the question: can we perfo...
In this work we present a characterization of spam on Twitter. We find that 8% of 25 million URLs posted to the site point to phishing, malware, and scams listed on popular blackl...
Chris Grier, Kurt Thomas, Vern Paxson, Michael Zha...