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Related papers: Contrastive Learning for Inference in Dialogue

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Neural dialogue response generation has gained much popularity in recent years. Maximum Likelihood Estimation (MLE) objective is widely adopted in existing dialogue model learning. However, models trained with MLE objective function are…

Computation and Language · Computer Science 2020-10-14 Hengyi Cai , Hongshen Chen , Yonghao Song , Zhuoye Ding , Yongjun Bao , Weipeng Yan , Xiaofang Zhao

Neural networks represent data as projections on trained weights in a high dimensional manifold. The trained weights act as a knowledge base consisting of causal class dependencies. Inference built on features that identify these…

Machine Learning · Computer Science 2021-03-24 Mohit Prabhushankar , Ghassan AlRegib

Unlike well-structured text, such as news reports and encyclopedia articles, dialogue content often comes from two or more interlocutors, exchanging information with each other. In such a scenario, the topic of a conversation can vary upon…

Computation and Language · Computer Science 2021-09-13 Junpeng Liu , Yanyan Zou , Hainan Zhang , Hongshen Chen , Zhuoye Ding , Caixia Yuan , Xiaojie Wang

Contrastive learning between different views of the data achieves outstanding success in the field of self-supervised representation learning and the learned representations are useful in broad downstream tasks. Since all supervision…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Haoqing Wang , Xun Guo , Zhi-Hong Deng , Yan Lu

Contrastive learning, along with its variations, has been a highly effective self-supervised learning method across diverse domains. Contrastive learning measures the distance between representations using cosine similarity and uses…

Machine Learning · Computer Science 2023-10-11 Daniel Rho , TaeSoo Kim , Sooill Park , Jaehyun Park , JaeHan Park

Conversation disentanglement aims to group utterances into detached sessions, which is a fundamental task in processing multi-party conversations. Existing methods have two main drawbacks. First, they overemphasize pairwise utterance…

Computation and Language · Computer Science 2024-09-04 Chengyu Huang , Zheng Zhang , Hao Fei , Lizi Liao

Contrastive learning has proven instrumental in learning unbiased representations of data, especially in complex environments characterized by high-cardinality and high-dimensional sensitive information. However, existing approaches within…

Machine Learning · Computer Science 2024-11-25 Stefan K. Nielsen , Tan M. Nguyen

The remarkable success of contrastive-learning-based multimodal models has been greatly driven by training on ever-larger datasets with expensive compute consumption. Sample selection as an alternative efficient paradigm plays an important…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Zihua Zhao , Feng Hong , Mengxi Chen , Pengyi Chen , Benyuan Liu , Jiangchao Yao , Ya Zhang , Yanfeng Wang

Recent empirical works have successfully used unlabeled data to learn feature representations that are broadly useful in downstream classification tasks. Several of these methods are reminiscent of the well-known word2vec embedding…

Machine Learning · Computer Science 2019-02-26 Sanjeev Arora , Hrishikesh Khandeparkar , Mikhail Khodak , Orestis Plevrakis , Nikunj Saunshi

Intent recognition is critical for task-oriented dialogue systems. However, for emerging domains and new services, it is difficult to accurately identify the key intent of a conversation due to time-consuming data annotation and…

Computation and Language · Computer Science 2023-03-10 Caiyuan Chu , Ya Li , Yifan Liu , Jia-Chen Gu , Quan Liu , Yongxin Ge , Guoping Hu

Contrastive learning has been the dominant approach to train state-of-the-art sentence embeddings. Previous studies have typically learned sentence embeddings either through the use of human-annotated natural language inference (NLI) data…

Computation and Language · Computer Science 2023-10-25 Junlei Zhang , Zhenzhong Lan , Junxian He

A prominent technique for self-supervised representation learning has been to contrast semantically similar and dissimilar pairs of samples. Without access to labels, dissimilar (negative) points are typically taken to be randomly sampled…

Machine Learning · Computer Science 2020-10-22 Ching-Yao Chuang , Joshua Robinson , Lin Yen-Chen , Antonio Torralba , Stefanie Jegelka

Rapidly increasing model scales coupled with steering methods such as chain-of-thought prompting have led to drastic improvements in language model reasoning. At the same time, models struggle with compositional generalization and are far…

Computation and Language · Computer Science 2024-08-28 Jay Shim , Grant Kruttschnitt , Alyssa Ma , Daniel Kim , Benjamin Chek , Athul Anand , Kevin Zhu , Sean O'Brien

Communication is a powerful tool for coordination in multi-agent RL. But inducing an effective, common language is a difficult challenge, particularly in the decentralized setting. In this work, we introduce an alternative perspective where…

Artificial Intelligence · Computer Science 2024-02-05 Yat Long Lo , Biswa Sengupta , Jakob Foerster , Michael Noukhovitch

Conversational speech synthesis (CSS) incorporates historical dialogue as supplementary information with the aim of generating speech that has dialogue-appropriate prosody. While previous methods have already delved into enhancing context…

Computation and Language · Computer Science 2023-12-19 Yayue Deng , Jinlong Xue , Yukang Jia , Qifei Li , Yichen Han , Fengping Wang , Yingming Gao , Dengfeng Ke , Ya Li

Contrastive representation learning, which aims to learnthe shared information between different views of unlabeled data by maximizing the mutual information between them, has shown its powerful competence in self-supervised learning for…

Machine Learning · Computer Science 2024-08-21 Xuechu Yu

Most of the existing works for dialogue generation are data-driven models trained directly on corpora crawled from websites. They mainly focus on improving the model architecture to produce better responses but pay little attention to…

Computation and Language · Computer Science 2021-06-23 Xin Li , Piji Li , Yan Wang , Xiaojiang Liu , Wai Lam

Achieving artificially intelligent-native wireless networks is necessary for the operation of future 6G applications such as the metaverse. Nonetheless, current communication schemes are, at heart, a mere reconstruction process that lacks…

Machine Learning · Computer Science 2022-12-20 Christina Chaccour , Walid Saad

Understanding narratives requires identifying which events are most salient for a story's progression. We present a contrastive learning framework for modeling narrative salience that learns story embeddings from narrative twins: stories…

Computation and Language · Computer Science 2026-01-13 Igor Sterner , Alex Lascarides , Frank Keller

Whereas the recent emergence of large language models (LLMs) like ChatGPT has exhibited impressive general performance, it still has a large gap with fully-supervised models on specific tasks such as multi-span question answering. Previous…

Computation and Language · Computer Science 2023-06-08 Zixian Huang , Jiaying Zhou , Gengyang Xiao , Gong Cheng