Customer-obsessed science
Research areas
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November 20, 20254 min readA new evaluation pipeline called FiSCo uncovers hidden biases and offers an assessment framework that evolves alongside language models.
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October 20, 20254 min read
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October 14, 20257 min read
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October 2, 20253 min read
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Featured news
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AAAI 2023 Workshop on Artificial Intelligence Safety2023Gradient boosting decision trees (GBDTs) are widely applied on tabular data in real-world ML systems. Quantifying uncertainty in GBDT models is thus essential for decision making and for avoiding costly mistakes to ensure an interpretable and safe deployment of tree-based models. Recently, Bayesian ensemble of GBDT models is used to measure uncertainty by leveraging an algorithm called stochastic gradient
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WSDM 20232023Directed graphs are ubiquitous and have applications across multiple domains including citation, website, social, and traffic networks. Yet, the majority of research involving graph neural networks (GNNs) focus on undirected graphs. In this paper, we deal with the problem of node recommendation in non-attributed directed graphs. Specifically, given a directed graph and query node as input, the goal is to
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AAAI 20232023Utilizing amortized variational inference for latent-action reinforcement learning (RL) has been shown to be an effective approach in Task-oriented Dialogue (ToD) systems for optimizing dialogue success. Until now, categorical posteriors have been argued to be one of the main drivers of performance. In this work we revisit Gaussian variational posteriors for latent-action RL and show that they can yield
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WACV 20232023Accurate per-pixel semantic class annotations of the entire video are crucial for designing and evaluating video semantic segmentation algorithms. However, the annotations are usually limited to a small subset of the video frames due to the high annotation cost and limited budget in practice. In this paper, we propose a novel human-in-the-loop framework called HVSA to generate semantic segmentation annotations
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Transactions of the Association for Computational Linguistics2022We investigate how humans perform the task of dubbing video content from one language into another, leveraging a novel corpus of 319.57 hours of video from 54 professionally produced titles. This is the first such largescale study we are aware of. The results challenge a number of assumptions commonly made in both qualitative literature on human dubbing and machine-learning literature on automatic dubbing
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