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Supervised deep learning-based approaches have been applied to task-oriented dialog and have proven to be effective for limited domain and language applications when a sufficient number of training examples are available. In practice, these…

Computation and Language · Computer Science 2022-07-20 Oralie Cattan , Christophe Servan , Sophie Rosset

Unlike traditional supervised learning, in many settings only partial feedback is available. We may only observe outcomes for the chosen actions, but not the counterfactual outcomes associated with other alternatives. Such settings…

Machine Learning · Computer Science 2021-12-09 Ruijiang Gao , Max Biggs , Wei Sun , Ligong Han

Affect modeling is viewed, traditionally, as the process of mapping measurable affect manifestations from multiple modalities of user input to affect labels. That mapping is usually inferred through end-to-end (manifestation-to-affect)…

Human-Computer Interaction · Computer Science 2022-08-26 Kosmas Pinitas , Konstantinos Makantasis , Antonios Liapis , Georgios N. Yannakakis

Unsupervised meta-learning aims to learn generalizable knowledge across a distribution of tasks constructed from unlabeled data. Here, the main challenge is how to construct diverse tasks for meta-learning without label information; recent…

Machine Learning · Computer Science 2023-03-03 Huiwon Jang , Hankook Lee , Jinwoo Shin

We present a novel approach to learn representations for sentence-level semantic similarity using conversational data. Our method trains an unsupervised model to predict conversational input-response pairs. The resulting sentence embeddings…

Computation and Language · Computer Science 2018-04-23 Yinfei Yang , Steve Yuan , Daniel Cer , Sheng-yi Kong , Noah Constant , Petr Pilar , Heming Ge , Yun-Hsuan Sung , Brian Strope , Ray Kurzweil

Session-based recommendation techniques aim to capture dynamic user behavior by analyzing past interactions. However, existing methods heavily rely on historical item ID sequences to extract user preferences, leading to challenges such as…

Information Retrieval · Computer Science 2023-07-21 Zhipeng Zhang , Piao Tong , Yingwei Ma , Qiao Liu , Xujiang Liu , Xu Luo

We investigate a strategy for improving the efficiency of contrastive learning of visual representations by leveraging a small amount of supervised information during pre-training. We propose a semi-supervised loss, SuNCEt, based on…

Machine Learning · Computer Science 2020-12-03 Mahmoud Assran , Nicolas Ballas , Lluis Castrejon , Michael Rabbat

Turn-taking, aiming to decide when the next speaker can start talking, is an essential component in building human-robot spoken dialogue systems. Previous studies indicate that multimodal cues can facilitate this challenging task. However,…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-22 Jiudong Yang , Peiying Wang , Yi Zhu , Mingchao Feng , Meng Chen , Xiaodong He

The next token prediction loss is the dominant self-supervised training objective for large language models and has achieved promising results in a variety of downstream tasks. However, upon closer investigation of this objective, we find…

Computation and Language · Computer Science 2025-02-25 Zhili Feng , Dhananjay Ram , Cole Hawkins , Aditya Rawal , Jinman Zhao , Sheng Zha

Speaker recognition, recognizing speaker identities based on voice alone, enables important downstream applications, such as personalization and authentication. Learning speaker representations, in the context of supervised learning,…

Machine Learning · Computer Science 2022-07-13 Metehan Cekic , Ruirui Li , Zeya Chen , Yuguang Yang , Andreas Stolcke , Upamanyu Madhow

Machine translation (MT) models used in industries with constantly changing topics, such as translation or news agencies, need to adapt to new data to maintain their performance over time. Our aim is to teach a pre-trained MT model to…

Computation and Language · Computer Science 2021-04-01 Farid Arthaud , Rachel Bawden , Alexandra Birch

Bioacoustic sound event detection allows for better understanding of animal behavior and for better monitoring biodiversity using audio. Deep learning systems can help achieve this goal, however it is difficult to acquire sufficient…

Sound · Computer Science 2024-01-18 Ilyass Moummad , Romain Serizel , Nicolas Farrugia

Contrastive self-supervised learning has become a prominent technique in representation learning. The main step in these methods is to contrast semantically similar and dissimilar pairs of samples. However, in the domain of Natural Language…

Computation and Language · Computer Science 2022-06-07 Amrita Bhattacharjee , Mansooreh Karami , Huan Liu

One of the key challenges for multi-agent learning is scalability. In this paper, we introduce a technique for speeding up multi-agent learning by exploiting concurrent and incremental experience sharing. This solution adaptively identifies…

Multiagent Systems · Computer Science 2017-03-07 Dan Garant , Bruno da Silva , Victor Lesser , Chongjie Zhang

This work presents a novel objective function for the unsupervised training of neural network sentence encoders. It exploits signals from paragraph-level discourse coherence to train these models to understand text. Our objective is purely…

Computation and Language · Computer Science 2017-05-02 Yacine Jernite , Samuel R. Bowman , David Sontag

Self-supervised pre-training of transformer models has revolutionized NLP applications. Such pre-training with language modeling objectives provides a useful initial point for parameters that generalize well to new tasks with fine-tuning.…

Computation and Language · Computer Science 2020-11-17 Trapit Bansal , Rishikesh Jha , Tsendsuren Munkhdalai , Andrew McCallum

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

Self-supervised sentence representation learning is the task of constructing an embedding space for sentences without relying on human annotation efforts. One straightforward approach is to finetune a pretrained language model (PLM) with a…

Self-supervised learning has recently attracted considerable attention in the NLP community for its ability to learn discriminative features using a contrastive objective. This paper investigates whether contrastive learning can be extended…

Computation and Language · Computer Science 2021-09-14 Tassilo Klein , Moin Nabi

Keyword Spotting plays a critical role in enabling hands-free interaction for battery-powered edge devices. Few-Shot Keyword Spotting (FS-KWS) addresses the scalability and adaptability challenges of traditional systems by enabling…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-09 Alican Gok , Oguzhan Buyuksolak , Osman Erman Okman , Murat Saraclar