Search Results for author: Zijian Lei

Found 3 papers, 0 papers with code

Effective and Sparse Count-Sketch via k-means clustering

no code implementations24 Nov 2020 YuHan Wang, Zijian Lei, Liang Lan

This data-oblivious matrix sketching method could produce a bad sketched matrix which will result in low accuracy for subsequent machine learning tasks (e. g. classification); (2) For highly sparse input data, count-sketch could produce a dense sketched data matrix.

BIG-bench Machine Learning Clustering

Memory and Computation-Efficient Kernel SVM via Binary Embedding and Ternary Model Coefficients

no code implementations6 Oct 2020 Zijian Lei, Liang Lan

The analysis shows that the convergence to a local optimum is guaranteed, and the inference complexity of our model is much lower than other competing methods.

Binary Classification

Improved Subsampled Randomized Hadamard Transform for Linear SVM

no code implementations5 Feb 2020 Zijian Lei, Liang Lan

To overcome this limitation, we analyze the effect of using SRHT for random projection in the context of linear SVM classification.

BIG-bench Machine Learning General Classification

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