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Early diagnosis of Alzheimer's disease (AD) is crucial in facilitating preventive care and delay progression. Speech based automatic AD screening systems provide a non-intrusive and more scalable alternative to other clinical screening…

机器学习 · 计算机科学 2022-08-09 Yi Wang , Tianzi Wang , Zi Ye , Lingwei Meng , Shoukang Hu , Xixin Wu , Xunying Liu , Helen Meng

To advance models of multimodal context, we introduce a simple yet powerful neural architecture for data that combines vision and natural language. The "Bounding Boxes in Text Transformer" (B2T2) also leverages referential information…

计算与语言 · 计算机科学 2019-11-05 Chris Alberti , Jeffrey Ling , Michael Collins , David Reitter

Reading a document and extracting an answer to a question about its content has attracted substantial attention recently. While most work has focused on the interaction between the question and the document, in this work we evaluate the…

计算与语言 · 计算机科学 2018-09-05 Shimi Salant , Jonathan Berant

Conversational speech normally is embodied with loose syntactic structures at the utterance level but simultaneously exhibits topical coherence relations across consecutive utterances. Prior work has shown that capturing longer context…

计算与语言 · 计算机科学 2022-06-02 Bi-Cheng Yan , Hsin-Wei Wang , Shih-Hsuan Chiu , Hsuan-Sheng Chiu , Berlin Chen

Establishing retrieval-based dialogue systems that can select appropriate responses from the pre-built index has gained increasing attention from researchers. For this task, the adoption of pre-trained language models (such as BERT) has led…

计算与语言 · 计算机科学 2021-10-04 Chongyang Tao , Jiazhan Feng , Chang Liu , Juntao Li , Xiubo Geng , Daxin Jiang

Deep biasing improves automatic speech recognition (ASR) performance by incorporating contextual phrases. However, most existing methods enhance subwords in a contextual phrase as independent units, potentially compromising contextual…

声音 · 计算机科学 2025-05-30 Zhennan Lin , Kaixun Huang , Wei Ren , Linju Yang , Lei Xie

Automated metaphor detection is a challenging task to identify metaphorical expressions of words in a sentence. To tackle this problem, we adopt pre-trained contextualized models, e.g., BERT and RoBERTa. To this end, we propose a novel…

计算与语言 · 计算机科学 2021-04-29 Minjin Choi , Sunkyung Lee , Eunseong Choi , Heesoo Park , Junhyuk Lee , Dongwon Lee , Jongwuk Lee

Many extractive question answering models are trained to predict start and end positions of answers. The choice of predicting answers as positions is mainly due to its simplicity and effectiveness. In this study, we hypothesize that when…

计算与语言 · 计算机科学 2021-03-09 Miyoung Ko , Jinhyuk Lee , Hyunjae Kim , Gangwoo Kim , Jaewoo Kang

The rapid growth of Internet services and mobile devices provides an excellent opportunity to satisfy the strong demand for the personalized item or product recommendation. However, with the tremendous increase of users and items,…

信息检索 · 计算机科学 2018-12-10 Chen Ma , Peng Kang , Bin Wu , Qinglong Wang , Xue Liu

With a lot of work about context-free question answering systems, there is an emerging trend of conversational question answering models in the natural language processing field. Thanks to the recently collected datasets, including QuAC and…

计算与语言 · 计算机科学 2019-11-28 Ting-Rui Chiang , Hao-Tong Ye , Yun-Nung Chen

This study introduces a significant architectural advancement in feature fusion for lyrical content classification by integrating auxiliary structural features directly into the self-attention mechanism of a pre-trained Transformer. I…

机器学习 · 计算机科学 2025-12-03 M. A. Gameiro

Conversational speech, while being unstructured at an utterance level, typically has a macro topic which provides larger context spanning multiple utterances. The current language models in speech recognition systems using recurrent neural…

音频与语音处理 · 电气工程与系统科学 2020-08-11 Srikanth Raj Chetupalli , Sriram Ganapathy

Pretrained contextualized embeddings are powerful word representations for structured prediction tasks. Recent work found that better word representations can be obtained by concatenating different types of embeddings. However, the…

计算与语言 · 计算机科学 2021-06-02 Xinyu Wang , Yong Jiang , Nguyen Bach , Tao Wang , Zhongqiang Huang , Fei Huang , Kewei Tu

Recently, open domain multi-turn chatbots have attracted much interest from lots of researchers in both academia and industry. The dominant retrieval-based methods use context-response matching mechanisms for multi-turn response selection.…

计算与语言 · 计算机科学 2020-05-19 Chao Xiong , Che Liu , Zijun Xu , Junfeng Jiang , Jieping Ye

We present MCQA, a learning-based algorithm for multimodal question answering. MCQA explicitly fuses and aligns the multimodal input (i.e. text, audio, and video), which forms the context for the query (question and answer). Our approach…

计算与语言 · 计算机科学 2020-04-28 Abhishek Kumar , Trisha Mittal , Dinesh Manocha

The recently proposed BERT has shown great power on a variety of natural language understanding tasks, such as text classification, reading comprehension, etc. However, how to effectively apply BERT to neural machine translation (NMT) lacks…

计算与语言 · 计算机科学 2020-02-18 Jinhua Zhu , Yingce Xia , Lijun Wu , Di He , Tao Qin , Wengang Zhou , Houqiang Li , Tie-Yan Liu

Machine comprehension (MC), answering a query about a given context paragraph, requires modeling complex interactions between the context and the query. Recently, attention mechanisms have been successfully extended to MC. Typically these…

计算与语言 · 计算机科学 2018-06-22 Minjoon Seo , Aniruddha Kembhavi , Ali Farhadi , Hannaneh Hajishirzi

This paper studies contextual biasing with Large Language Models (LLMs), where during second-pass rescoring additional contextual information is provided to a LLM to boost Automatic Speech Recognition (ASR) performance. We propose to…

计算与语言 · 计算机科学 2023-09-25 Chuanneng Sun , Zeeshan Ahmed , Yingyi Ma , Zhe Liu , Lucas Kabela , Yutong Pang , Ozlem Kalinli

Word embedding models learn semantically rich vector representations of words and are widely used to initialize natural processing language (NLP) models. The popular continuous bag-of-words (CBOW) model of word2vec learns a vector embedding…

计算与语言 · 计算机科学 2020-06-02 Shashank Sonkar , Andrew E. Waters , Richard G. Baraniuk

Machine learning algorithms such as linear regression, SVM and neural network have played an increasingly important role in the process of scientific discovery. However, none of them is both interpretable and accurate on nonlinear datasets.…

定量方法 · 定量生物学 2017-10-31 Chengyu Liu , Wei Wang