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Recent work learns contextual representations of source code by reconstructing tokens from their context. For downstream semantic understanding tasks like summarizing code in English, these representations should ideally capture program…

机器学习 · 计算机科学 2022-01-10 Paras Jain , Ajay Jain , Tianjun Zhang , Pieter Abbeel , Joseph E. Gonzalez , Ion Stoica

Applying language models to natural language processing tasks typically relies on the representations in the final model layer, as intermediate hidden layer representations are presumed to be less informative. In this work, we argue that…

计算与语言 · 计算机科学 2023-05-03 Ariel Gera , Roni Friedman , Ofir Arviv , Chulaka Gunasekara , Benjamin Sznajder , Noam Slonim , Eyal Shnarch

The global reach of social media has amplified the spread of hateful content, including implicit sexism, which is often overlooked by conventional detection methods. In this work, we introduce an Adaptive Supervised Contrastive lEarning…

计算与语言 · 计算机科学 2025-07-09 Mohammad Zia Ur Rehman , Aditya Shah , Nagendra Kumar

Novelty detection is the process of determining whether a query example differs from the learned training distribution. Previous methods attempt to learn the representation of the normal samples via generative adversarial networks (GANs).…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Chengwei Chen , Yuan Xie , Shaohui Lin , Ruizhi Qiao , Jian Zhou , Xin Tan , Yi Zhang , Lizhuang Ma

This paper presents novel techniques for enhancing the performance of knowledge tracing (KT) models by focusing on the crucial factor of question and concept difficulty level. Despite the acknowledged significance of difficulty, previous KT…

计算与语言 · 计算机科学 2023-12-20 Unggi Lee , Sungjun Yoon , Joon Seo Yun , Kyoungsoo Park , YoungHoon Jung , Damji Stratton , Hyeoncheol Kim

Since automatic translations can contain errors that require substantial human post-editing, machine translation proofreading is essential for improving quality. This paper proposes a novel hybrid approach for robust proofreading that…

计算与语言 · 计算机科学 2025-06-06 Feijun Liu , Huifeng Wang , Kun Wang , Yizhen Wang

Natural Language Processing (NLP) faces challenges in the ability to quickly model polysemous words. The Grover's Algorithm (GA) is expected to solve this problem but lacks adaptability. To address the above dilemma, a Quantum Text…

量子物理 · 物理学 2025-06-03 Ren-Xin Zhao

Learnable keypoint detectors and descriptors are beginning to outperform classical hand-crafted feature extraction methods. Recent studies on self-supervised learning of visual representations have driven the increasing performance of…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Henrique Siqueira , Patrick Ruhkamp , Ibrahim Halfaoui , Markus Karmann , Onay Urfalioglu

Over the past decades, for One-Class Collaborative Filtering (OCCF), many learning objectives have been researched based on a variety of underlying probabilistic models. From our analysis, we observe that models trained with different OCCF…

机器学习 · 计算机科学 2022-03-01 SeongKu Kang , Dongha Lee , Wonbin Kweon , Junyoung Hwang , Hwanjo Yu

Contrastive learning has recently seen tremendous success in self-supervised learning. So far, however, it is largely unclear why the learned representations generalize so effectively to a large variety of downstream tasks. We here prove…

机器学习 · 计算机科学 2022-04-08 Roland S. Zimmermann , Yash Sharma , Steffen Schneider , Matthias Bethge , Wieland Brendel

In this paper, we propose a novel conditional-generative-adversarial-nets-based image captioning framework as an extension of traditional reinforcement-learning (RL)-based encoder-decoder architecture. To deal with the inconsistent…

计算机视觉与模式识别 · 计算机科学 2020-09-10 Chen Chen , Shuai Mu , Wanpeng Xiao , Zexiong Ye , Liesi Wu , Qi Ju

Dense retrieval (DR) has shown promising results in information retrieval. In essence, DR requires high-quality text representations to support effective search in the representation space. Recent studies have shown that pre-trained…

信息检索 · 计算机科学 2022-08-23 Xinyu Ma , Ruqing Zhang , Jiafeng Guo , Yixing Fan , Xueqi Cheng

Contrastive Learning (CL) performances as a rising approach to address the challenge of sparse and noisy recommendation data. Although having achieved promising results, most existing CL methods only perform either hand-crafted data or…

信息检索 · 计算机科学 2023-11-22 Xiuyuan Qin , Huanhuan Yuan , Pengpeng Zhao , Junhua Fang , Fuzhen Zhuang , Guanfeng Liu , Victor Sheng

Personalized review-based rating prediction aims at leveraging existing reviews to model user interests and item characteristics for rating prediction. Most of the existing studies mainly encounter two issues. First, the rich knowledge…

信息检索 · 计算机科学 2023-08-08 Quanxiu Wang , Xinlei Cao , Jianyong Wang , Wei Zhang

Pre-trained language models have proven their unique powers in capturing implicit language features. However, most pre-training approaches focus on the word-level training objective, while sentence-level objectives are rarely studied. In…

计算与语言 · 计算机科学 2021-01-01 Zhuofeng Wu , Sinong Wang , Jiatao Gu , Madian Khabsa , Fei Sun , Hao Ma

Commit Classification (CC) is an important task in software maintenance, which helps software developers classify code changes into different types according to their nature and purpose. It allows developers to understand better how their…

软件工程 · 计算机科学 2023-08-17 Jiajun Tong , Zhixiao Wang , Xiaobin Rui

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…

计算与语言 · 计算机科学 2024-10-29 Heerin Yang , Sseung-won Hwang , Jungmin So

Multimodal sentiment analysis has become an increasingly popular research area as the demand for multimodal online content is growing. For multimodal sentiment analysis, words can have different meanings depending on the linguistic context…

计算与语言 · 计算机科学 2022-09-16 Junghun Kim , Jihie Kim

Knowledge graph (KG) plays an increasingly important role in recommender systems. Recently, graph neural networks (GNNs) based model has gradually become the theme of knowledge-aware recommendation (KGR). However, there is a natural…

信息检索 · 计算机科学 2022-04-20 Ding Zou , Wei Wei , Xian-Ling Mao , Ziyang Wang , Minghui Qiu , Feida Zhu , Xin Cao

Recent advances in general purpose pre-trained language models have shown great potential in commonsense reasoning. However, current works still perform poorly on standard commonsense reasoning benchmarks including the Com2Sense Dataset. We…

计算与语言 · 计算机科学 2023-10-11 Yu Zhou , Yunqiu Han , Hanyu Zhou , Yulun Wu