Ryan Marcus · UPenn

Ryan Marcus, assistant professor at the University of Pennsylvania. Using machine learning to build the next generation of data systems. ____ __ ___ / __ \__ ______ _____ / |/ /___ _____________ _______ / /_/ / / / / __ `/ __ \ / /|_/ / __ `/ ___/ ___/ / / / ___/ / _, _/ /_/ / /_/ / / / / / / / / /_/ / / / /__/ /_/ (__ ) /_/ |_|\__, /\__,_/_/ /_/ /_/ /_/\__,_/_/ \___/\__,_/____/ /____/ ___ __ ___

[yass]

" I also needed to be able to query the k most frequently contacted contacts. / To solve this problem, I created an augmented binary tree which provides an insertion time of O(k log n), a search time of O( log n), and can find the top k contacts in O(1). "