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math.ST2018★ 24 cited
Asymptotics for Sketching in Least Squares Regression
Edgar Dobriban, Sifan Liu
We consider a least squares regression problem where the data has been generated from a linear model, and we are interested to learn the unknown regression parameters. We consider…
cs.AI2018
Error Detection in a Large-Scale Lexical Taxonomy
Sifan Liu, Hongzhi Wang
Knowledge base (KB) is an important aspect in artificial intelligence. One significant challenge faced by KB construction is that it contains many noises, which prevents its effect…