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In task-oriented conversational AI evaluation, unsupervised methods poorly correlate with human judgments, and supervised approaches lack generalization. Recent advances in large language models (LLMs) show robust zeroshot and few-shot…

Computation and Language · Computer Science 2024-06-26 Jinghan Jia , Abi Komma , Timothy Leffel , Xujun Peng , Ajay Nagesh , Tamer Soliman , Aram Galstyan , Anoop Kumar

Recently, deep neural networks (DNNs) have been successfully used for speech enhancement, and DNN-based speech enhancement is becoming an attractive research area. While time-frequency masking based on the short-time Fourier transform…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-21 Yuichiro Koyama , Tyler Vuong , Stefan Uhlich , Bhiksha Raj

Previous works on emotion recognition in conversation (ERC) follow a two-step paradigm, which can be summarized as first producing context-independent features via fine-tuning pretrained language models (PLMs) and then analyzing contextual…

Computation and Language · Computer Science 2023-01-18 Xiangyu Qin , Zhiyu Wu , Jinshi Cui , Tingting Zhang , Yanran Li , Jian Luan , Bin Wang , Li Wang

Deep neural network (DNN)-based speech enhancement algorithms in microphone arrays have now proven to be efficient solutions to speech understanding and speech recognition in noisy environments. However, in the context of ad-hoc microphone…

Signal Processing · Electrical Eng. & Systems 2020-11-04 Nicolas Furnon , Romain Serizel , Irina Illina , Slim Essid

Deep Neural Network (DNN) acoustic models have yielded many state-of-the-art results in Automatic Speech Recognition (ASR) tasks. More recently, Recurrent Neural Network (RNN) models have been shown to outperform DNNs counterparts. However,…

Machine Learning · Computer Science 2015-04-08 William Chan , Nan Rosemary Ke , Ian Lane

One of the core components of modern spoken dialogue systems is the belief tracker, which estimates the user's goal at every step of the dialogue. However, most current approaches have difficulty scaling to larger, more complex dialogue…

Computation and Language · Computer Science 2017-04-24 Nikola Mrkšić , Diarmuid Ó Séaghdha , Tsung-Hsien Wen , Blaise Thomson , Steve Young

Object detection is one of the key tasks in many applications of computer vision. Deep Neural Networks (DNNs) are undoubtedly a well-suited approach for object detection. However, such DNNs need highly adapted hardware together with…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Michael Schlosser , Daniel König , Michael Teutsch

Named Entity Recognition (NER) has seen significant progress in recent years, with numerous state-of-the-art (SOTA) models achieving high performance. However, very few studies have focused on the generation of entities' context. In this…

Information Retrieval · Computer Science 2023-06-12 Himanshu Gupta , Shreyas Verma , Santosh Mashetty , Swaroop Mishra

In this work, we tackle the Diacritic Restoration (DR) task for Arabic dialectal sentences using a multimodal approach that combines both textual and speech information. We propose a model that represents the text modality using an encoder…

Computation and Language · Computer Science 2025-10-29 Ahmad Ghannam , Naif Alharthi , Faris Alasmary , Kholood Al Tabash , Shouq Sadah , Lahouari Ghouti

Social chatbots have become essential intelligent companions in daily scenarios ranging from emotional support to personal interaction. However, conventional chatbots with passive response mechanisms usually rely on users to initiate or…

Artificial Intelligence · Computer Science 2025-04-30 Zihan Niu , Zheyong Xie , Shaosheng Cao , Chonggang Lu , Zheyu Ye , Tong Xu , Zuozhu Liu , Yan Gao , Jia Chen , Zhe Xu , Yi Wu , Yao Hu

Deep Language Models (DLMs) provide a novel computational paradigm for understanding the mechanisms of natural language processing in the human brain. Unlike traditional psycholinguistic models, DLMs use layered sequences of continuous…

Ensuring intelligible speech communication for hearing assistive devices in low-latency scenarios presents significant challenges in terms of speech enhancement, coding and transmission. In this paper, we propose novel solutions for…

Audio and Speech Processing · Electrical Eng. & Systems 2024-05-01 Mohammad Bokaei , Jesper Jensen , Simon Doclo , Jan Østergaard

In this work, we systematically investigate how well current models of coherence can capture aspects of text implicated in discourse organisation. We devise two datasets of various linguistic alterations that undermine coherence and test…

Computation and Language · Computer Science 2020-11-13 Youmna Farag , Josef Valvoda , Helen Yannakoudakis , Ted Briscoe

Dialogue state tracking (DST) is a pivotal component in task-oriented dialogue systems. While it is relatively easy for a DST model to capture belief states in short conversations, the task of DST becomes more challenging as the length of a…

Computation and Language · Computer Science 2021-05-07 Ye Zhang , Yuan Cao , Mahdis Mahdieh , Jeffrey Zhao , Yonghui Wu

A chatbot is an intelligent software application that automates conversations and engages users in natural language through messaging platforms. Leveraging artificial intelligence (AI), chatbots serve various functions, including customer…

Computation and Language · Computer Science 2025-01-03 Lamya Benaddi , Charaf Ouaddi , Adnane Souha , Abdeslam Jakimi , Mohamed Rahouti , Mohammed Aledhari , Diogo Oliveira , Brahim Ouchao

Dialogue act recognition is a fundamental task for an intelligent dialogue system. Previous work models the whole dialog to predict dialog acts, which may bring the noise from unrelated sentences. In this work, we design a hierarchical…

Computation and Language · Computer Science 2020-03-16 Zhigang Dai , Jinhua Fu , Qile Zhu , Hengbin Cui , Xiaolong li , Yuan Qi

As one promising way to inquire about any particular information through a dialog with the bot, question answering dialog systems have gained increasing research interests recently. Designing interactive QA systems has always been a…

Computation and Language · Computer Science 2021-04-26 Munazza Zaib , Dai Hoang Tran , Subhash Sagar , Adnan Mahmood , Wei E. Zhang , Quan Z. Sheng

Recently, the pre-trained language model, BERT (and its robustly optimized version RoBERTa), has attracted a lot of attention in natural language understanding (NLU), and achieved state-of-the-art accuracy in various NLU tasks, such as…

Computation and Language · Computer Science 2019-09-30 Wei Wang , Bin Bi , Ming Yan , Chen Wu , Zuyi Bao , Jiangnan Xia , Liwei Peng , Luo Si

Sentence embedding tasks are important in natural language processing (NLP), but improving their performance while keeping them reliable is still hard. This paper presents a framework that combines pseudo-label generation and model ensemble…

Computation and Language · Computer Science 2025-01-28 Ziwei Liu , Qi Zhang , Lifu Gao

Deep neural network (DNN)-based speech enhancement usually uses a clean speech as a training target. However, it is hard to collect large amounts of clean speech because the recording is very costly. In other words, the performance of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-03 Takuya Fujimura , Tomoki Toda