no code implementations • 24 Jul 2023 • Viet Duong, Qiong Wu, Zhengyi Zhou, Eric Zavesky, Jiahe Chen, Xiangzhou Liu, Wen-Ling Hsu, Huajie Shao
To reach this goal, we propose a general-purpose weakly-supervised OOD detection framework, called WOOD, that combines a binary classifier and a contrastive learning component to reap the benefits of both.
no code implementations • 8 Nov 2022 • Cheryl Flynn, Aritra Guha, Subhabrata Majumdar, Divesh Srivastava, Zhengyi Zhou
New technologies and the availability of geospatial data have drawn attention to spatio-temporal biases present in society.
no code implementations • WS 2017 • Philipp Meerkamp, Zhengyi Zhou
We present an architecture to boost the precision of existing information extraction systems.
no code implementations • 13 Dec 2016 • Philipp Meerkamp, Zhengyi Zhou
We present an architecture for information extraction from text that augments an existing parser with a character-level neural network.
no code implementations • 30 Sep 2016 • Zhengyi Zhou, Philipp Meerkamp, Chris Volinsky
Detecting and quantifying anomalies in urban traffic is critical for real-time alerting or re-routing in the short run and urban planning in the long run.
no code implementations • 16 Jun 2016 • Zhengyi Zhou
Predicting ambulance demand accurately at a fine resolution in time and space (e. g., every hour and 1 km$^2$) is critical for staff / fleet management and dynamic deployment.