21 citations · 25 across the 2 of their papers we have counts for
2 papers
cs.CL2014★ 4 cited
A Joint Probabilistic Classification Model of Relevant and Irrelevant Sentences in Mathematical Word Problems
Suleyman Cetintas, Luo Si, Yan Ping Xin +3
Estimating the difficulty level of math word problems is an important task for many educational applications. Identification of relevant and irrelevant sentences in math word probl…
cs.LG2012★ 21 cited
Robust Nonnegative Matrix Factorization via Norm Regularization
Bin Shen, Luo Si, Rongrong Ji +1
Nonnegative Matrix Factorization (NMF) is a widely used technique in many applications such as face recognition, motion segmentation, etc. It approximates the nonnegative data in a…