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We use Bayesian optimization to learn curricula for word representation learning, optimizing performance on downstream tasks that depend on the learned representations as features. The curricula are modeled by a linear ranking function…

Computation and Language · Computer Science 2016-06-22 Yulia Tsvetkov , Manaal Faruqui , Wang Ling , Brian MacWhinney , Chris Dyer

Grammatical error correction (GEC) is the task of detecting and correcting errors in a written text. The idea of combining multiple system outputs has been successfully used in GEC. To achieve successful system combination, multiple…

Computation and Language · Computer Science 2021-10-29 Wenjuan Han , Hwee Tou Ng

Enhancing the instruction-following ability of Large Language Models (LLMs) primarily demands substantial instruction-tuning datasets. However, the sheer volume of these imposes a considerable computational burden and annotation cost. To…

Computation and Language · Computer Science 2023-11-15 Shengguang Wu , Keming Lu , Benfeng Xu , Junyang Lin , Qi Su , Chang Zhou

We propose a framework for training non-autoregressive sequence-to-sequence models for editing tasks, where the original input sequence is iteratively edited to produce the output. We show that the imitation learning algorithms designed to…

Computation and Language · Computer Science 2022-03-18 Sweta Agrawal , Marine Carpuat

Rapid development of large-scale pre-training has resulted in foundation models that can act as effective feature extractors on a variety of downstream tasks and domains. Motivated by this, we study the efficacy of pre-trained vision models…

Machine Learning · Computer Science 2022-07-05 Oleksiy Ostapenko , Timothee Lesort , Pau Rodríguez , Md Rifat Arefin , Arthur Douillard , Irina Rish , Laurent Charlin

Cognitive diagnosis is an essential research topic in intelligent education, aimed at assessing the level of mastery of different skills by students. So far, many research works have used deep learning models to explore the complex…

Machine Learning · Computer Science 2025-12-30 Jin Wu , Chanjin Zheng

It is common knowledge that the quantity and quality of the training data play a significant role in the creation of a good machine learning model. In this paper, we take it one step further and demonstrate that the way the training…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-12 Georgios Karakasidis , Tamás Grósz , Mikko Kurimo

Recent advances have led to the availability of many pre-trained language models (PLMs); however, a question that remains is how much data is truly needed to fine-tune PLMs for downstream tasks? In this work, we introduce DEFT-UCS, a…

Computation and Language · Computer Science 2024-06-14 Devleena Das , Vivek Khetan

Tools serve as pivotal interfaces that enable humans to understand and reshape the environment. With the advent of foundation models, AI systems can utilize tools to expand their capabilities and interact with the real world. Existing tool…

Computation and Language · Computer Science 2024-03-15 Shuofei Qiao , Honghao Gui , Chengfei Lv , Qianghuai Jia , Huajun Chen , Ningyu Zhang

Clustered federated learning (CFL) is proposed to mitigate the performance deterioration stemming from data heterogeneity in federated learning (FL) by grouping similar clients for cluster-wise model training. However, current CFL methods…

Machine Learning · Computer Science 2024-04-01 Yuxin Zhang , Haoyu Chen , Zheng Lin , Zhe Chen , Jin Zhao

Treatment effect estimation, which refers to the estimation of causal effects and aims to measure the strength of the causal relationship, is of great importance in many fields but is a challenging problem in practice. As present,…

Machine Learning · Computer Science 2021-07-20 Zhenyu Guo , Shuai Zheng , Zhizhe Liu , Kun Yan , Zhenfeng Zhu

Reliable bipedal walking over complex terrain is a challenging problem, using a curriculum can help learning. Curriculum learning is the idea of starting with an achievable version of a task and increasing the difficulty as a success…

Robotics · Computer Science 2021-02-03 Brendan Tidd , Nicolas Hudson , Akansel Cosgun

With the increasing demand for efficient and flexible robotic exploration solutions, Reinforcement Learning (RL) is becoming a promising approach in the field of autonomous robotic exploration. However, current RL-based exploration…

Robotics · Computer Science 2025-03-19 Chunyu Yang , Shengben Bi , Yihui Xu , Xin Zhang

Identifying the failure modes of cloud computing systems is a difficult and time-consuming task, due to the growing complexity of such systems, and the large volume and noisiness of failure data. This paper presents a novel approach for…

Artificial Intelligence · Computer Science 2022-03-09 Domenico Cotroneo , Luigi De Simone , Pietro Liguori , Roberto Natella

Deep reinforcement learning (DRL) has been widely applied in autonomous exploration and mapping tasks, but often struggles with the challenges of sampling efficiency, poor adaptability to unknown map sizes, and slow simulation speed. To…

Robotics · Computer Science 2023-02-28 Zhi Li , Jinghao Xin , Ning Li

A major challenge in the Deep RL (DRL) community is to train agents able to generalize over unseen situations, which is often approached by training them on a diversity of tasks (or environments). A powerful method to foster diversity is to…

Machine Learning · Computer Science 2020-04-08 Rémy Portelas , Katja Hofmann , Pierre-Yves Oudeyer

Many relevant tasks require an agent to reach a certain state, or to manipulate objects into a desired configuration. For example, we might want a robot to align and assemble a gear onto an axle or insert and turn a key in a lock. These…

Artificial Intelligence · Computer Science 2018-07-24 Carlos Florensa , David Held , Markus Wulfmeier , Michael Zhang , Pieter Abbeel

Contrastive learning, commonly applied in large-scale multimodal models, often relies on data from diverse and often unreliable sources, which can include misaligned or mislabeled text-image pairs. This frequently leads to robustness issues…

Machine Learning · Computer Science 2025-02-04 Lijie Hu , Chenyang Ren , Huanyi Xie , Khouloud Saadi , Shu Yang , Zhen Tan , Jingfeng Zhang , Di Wang

Curriculum learning has been successfully used in reinforcement learning to accelerate the learning process, through knowledge transfer between tasks of increasing complexity. Critical tasks, in which suboptimal exploratory actions must be…

Machine Learning · Computer Science 2019-06-17 Francesco Foglino , Christiano Coletto Christakou , Ricardo Luna Gutierrez , Matteo Leonetti

To create models that are robust across a wide range of test inputs, training datasets should include diverse examples that span numerous phenomena. Dynamic adversarial data collection (DADC), where annotators craft examples that challenge…

Computation and Language · Computer Science 2022-09-28 Eric Wallace , Adina Williams , Robin Jia , Douwe Kiela