Search Results for author: Zhenwei Dai

Found 6 papers, 0 papers with code

ScatterSample: Diversified Label Sampling for Data Efficient Graph Neural Network Learning

no code implementations9 Jun 2022 Zhenwei Dai, Vasileios Ioannidis, Soji Adeshina, Zak Jost, Christos Faloutsos, George Karypis

ScatterSample employs a sampling module termed DiverseUncertainty to collect instances with large uncertainty from different regions of the sample space for labeling.

Active Learning Fraud Detection

A Step-Wise Weighting Approach for Controllable Text Generation

no code implementations29 Sep 2021 Zichao Wang, Weili Nie, Zhenwei Dai, Richard Baraniuk

Many existing approaches either require extensive training/fine-tuning of the LM for each single attribute under control or are slow to generate text.

Attribute Language Modelling +1

Adaptive Learned Bloom Filter (Ada-BF): Efficient Utilization of the Classifier

no code implementations NeurIPS 2020 Zhenwei Dai, Anshumali Shrivastava

Recent work suggests improving the performance of Bloom filter by incorporating a machine learning model as a binary classifier.

BIG-bench Machine Learning

Channel Normalization in Convolutional Neural Network avoids Vanishing Gradients

no code implementations22 Jul 2019 Zhenwei Dai, Reinhard Heckel

This effect prevails in deep single-channel linear convolutional networks, and we show that without channel normalization, gradient descent takes at least exponentially many steps to come close to an optimum.

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