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Most existing policy learning solutions require the learning agents to receive high-quality supervision signals such as well-designed rewards in reinforcement learning (RL) or high-quality expert demonstrations in behavioral cloning (BC).…

Machine Learning · Computer Science 2021-11-03 Jingkang Wang , Hongyi Guo , Zhaowei Zhu , Yang Liu

In recent years there is a surge of interest in applying distant supervision (DS) to automatically generate training data for relation extraction (RE). In this paper, we study the problem what limits the performance of DS-trained neural…

Computation and Language · Computer Science 2019-09-11 Qinyuan Ye , Liyuan Liu , Maosen Zhang , Xiang Ren

This work provides a Deep Reinforcement Learning approach to solving a periodic review inventory control system with stochastic vendor lead times, lost sales, correlated demand, and price matching. While this dynamic program has…

Machine Learning · Computer Science 2022-11-30 Dhruv Madeka , Kari Torkkola , Carson Eisenach , Anna Luo , Dean P. Foster , Sham M. Kakade

Recent relation extraction (RE) works have shown encouraging improvements by conducting contrastive learning on silver labels generated by distant supervision before fine-tuning on gold labels. Existing methods typically assume all these…

Computation and Language · Computer Science 2022-10-24 William Hogan , Jiacheng Li , Jingbo Shang

Although pre-trained language models show good performance on various natural language processing tasks, they often rely on non-causal features and patterns to determine the outcome. For natural language inference tasks, previous results…

Computation and Language · Computer Science 2024-10-29 Heerin Yang , Sseung-won Hwang , Jungmin So

Recently, learning from vast unlabeled data, especially self-supervised learning, has been emerging and attracted widespread attention. Self-supervised learning followed by the supervised fine-tuning on a few labeled examples can…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Wentao Zhu , Hang Shang , Tingxun Lv , Chao Liao , Sen Yang , Ji Liu

We study the problem of sample efficient reinforcement learning, where prior data such as demonstrations are provided for initialization in lieu of a dense reward signal. A natural approach is to incorporate an imitation learning objective,…

Machine Learning · Computer Science 2025-06-10 Perry Dong , Alec M. Lessing , Annie S. Chen , Chelsea Finn

Relation Extraction refers to the task of populating a database with tuples of the form $r(e_1, e_2)$, where $r$ is a relation and $e_1$, $e_2$ are entities. Distant supervision is one such technique which tries to automatically generate…

Artificial Intelligence · Computer Science 2017-05-11 Gagan Madan

Distantly supervised relation extraction has been widely applied in knowledge base construction due to its less requirement of human efforts. However, the automatically established training datasets in distant supervision contain…

Computation and Language · Computer Science 2020-12-21 Tianyi Liu , Xiangyu Lin , Weijia Jia , Mingliang Zhou , Wei Zhao

We present a supervised learning approach for automatic extraction of keyphrases from single documents. Our solution uses simple to compute statistical and positional features of candidate phrases and does not rely on any external knowledge…

Information Retrieval · Computer Science 2024-04-12 Sriraghavendra Ramaswamy

Skills play a central role in the job market and many human resources (HR) processes. In the wake of other digital experiences, today's online job market has candidates expecting to see the right opportunities based on their skill set.…

Computation and Language · Computer Science 2022-09-14 Jens-Joris Decorte , Jeroen Van Hautte , Johannes Deleu , Chris Develder , Thomas Demeester

Deep Reinforcement Learning (RL) methods rely on experience replay to approximate the minibatched supervised learning setting; however, unlike supervised learning where access to lots of training data is crucial to generalization,…

Machine Learning · Computer Science 2021-02-24 Brett Daley , Cameron Hickert , Christopher Amato

Self-supervised Learning (SSL) including the mainstream contrastive learning has achieved great success in learning visual representations without data annotations. However, most methods mainly focus on the instance level information (\ie,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Mingkai Zheng , Shan You , Fei Wang , Chen Qian , Changshui Zhang , Xiaogang Wang , Chang Xu

Robust model fitting is a core algorithm in a large number of computer vision applications. Solving this problem efficiently for datasets highly contaminated with outliers is, however, still challenging due to the underlying computational…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Giang Truong , Huu Le , David Suter , Erchuan Zhang , Syed Zulqarnain Gilani

Extracting action sequences from natural language texts is challenging, as it requires commonsense inferences based on world knowledge. Although there has been work on extracting action scripts, instructions, navigation actions, etc., they…

Artificial Intelligence · Computer Science 2018-05-14 Wenfeng Feng , Hankz Hankui Zhuo , Subbarao Kambhampati

The main purpose of relation extraction is to extract the semantic relationships between tagged pairs of entities in a sentence, which plays an important role in the semantic understanding of sentences and the construction of knowledge…

Computation and Language · Computer Science 2023-03-21 Chenghong Sun , Weidong Ji , Guohui Zhou , Hui Guo , Zengxiang Yin , Yuqi Yue

Training deep neural networks (DNNs) with limited supervision has been a popular research topic as it can significantly alleviate the annotation burden. Self-training has been successfully applied in semi-supervised learning tasks, but one…

Machine Learning · Computer Science 2023-02-17 Ran Xu , Yue Yu , Hejie Cui , Xuan Kan , Yanqiao Zhu , Joyce Ho , Chao Zhang , Carl Yang

Weakly-supervised learning is a paradigm for alleviating the scarcity of labeled data by leveraging lower-quality but larger-scale supervision signals. While existing work mainly focuses on utilizing a certain type of weak supervision, we…

Machine Learning · Statistics 2019-10-11 Yivan Zhang , Nontawat Charoenphakdee , Masashi Sugiyama

While deep learning has proven to be extremely successful at supervised classification tasks at the LHC and beyond, for practical applications, raw classification accuracy is often not the only consideration. One crucial issue is the…

High Energy Physics - Phenomenology · Physics 2020-10-02 Gregor Kasieczka , David Shih

Deep Research agents tackle knowledge-intensive tasks through multi-round retrieval and decision-oriented generation. While reinforcement learning (RL) has been shown to improve performance in this paradigm, its contributions remain…

Computation and Language · Computer Science 2026-02-24 Yinuo Xu , Shuo Lu , Jianjie Cheng , Meng Wang , Qianlong Xie , Xingxing Wang , Ran He , Jian Liang