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Second-pass rescoring is an important component in automatic speech recognition (ASR) systems that is used to improve the outputs from a first-pass decoder by implementing a lattice rescoring or $n$-best re-ranking. While pretraining with a…

音频与语音处理 · 电气工程与系统科学 2022-07-13 Liyan Xu , Yile Gu , Jari Kolehmainen , Haidar Khan , Ankur Gandhe , Ariya Rastrow , Andreas Stolcke , Ivan Bulyko

Speech segmentation at both word and phoneme levels is crucial for various speech processing tasks. It significantly aids in extracting meaningful units from an utterance, thus enabling the generation of discrete elements. In this work we…

机器学习 · 计算机科学 2024-11-18 Simone Carnemolla , Salvatore Calcagno , Simone Palazzo , Daniela Giordano

Transformer-based pre-trained language models, such as BERT, achieve great success in various natural language understanding tasks. Prior research found that BERT captures a rich hierarchy of linguistic information at different layers.…

计算与语言 · 计算机科学 2023-07-17 Qian Chen , Wen Wang , Qinglin Zhang , Chong Deng , Ma Yukun , Siqi Zheng

Pre-training models are an important tool in Natural Language Processing (NLP), while the BERT model is a classic pre-training model whose structure has been widely adopted by followers. It was even chosen as the reference model for the…

分布式、并行与集群计算 · 计算机科学 2022-08-18 Jinle Zeng , Min Li , Zhihua Wu , Jiaqi Liu , Yuang Liu , Dianhai Yu , Yanjun Ma

Background: Identifying relationships between clinical events and temporal expressions is a key challenge in meaningfully analyzing clinical text for use in advanced AI applications. While previous studies exist, the state-of-the-art…

计算与语言 · 计算机科学 2020-04-15 Hong Guan , Jianfu Li , Hua Xu , Murthy Devarakonda

Although BERT and its variants have reshaped the NLP landscape, it still remains unclear how best to derive sentence embeddings from such pre-trained Transformers. In this work, we propose a contrastive learning method that utilizes…

计算与语言 · 计算机科学 2021-06-15 Taeuk Kim , Kang Min Yoo , Sang-goo Lee

Prior research notes that BERT's computational cost grows quadratically with sequence length thus leading to longer training times, higher GPU memory constraints and carbon emissions. While recent work seeks to address these scalability…

计算与语言 · 计算机科学 2020-11-02 Yatin Chaudhary , Pankaj Gupta , Khushbu Saxena , Vivek Kulkarni , Thomas Runkler , Hinrich Schütze

We compare self-supervised representation learning algorithms which either explicitly quantize the audio data or learn representations without quantization. We find the former to be more accurate since it builds a good vocabulary of the…

计算与语言 · 计算机科学 2020-05-20 Alexei Baevski , Michael Auli , Abdelrahman Mohamed

In recent years, self-supervised pre-training methods have gained significant traction in learning high-level information from raw speech. Among these methods, HuBERT has demonstrated SOTA performance in automatic speech recognition (ASR).…

计算与语言 · 计算机科学 2025-02-19 Hemant Yadav , Sunayana Sitaram , Rajiv Ratn Shah

Recent developments in pre-trained speech representation utilizing self-supervised learning (SSL) have yielded exceptional results on a variety of downstream tasks. One such technique, known as masked predictive coding (MPC), has been…

声音 · 计算机科学 2024-01-12 Hemant Yadav , Sunayana Sitaram , Rajiv Ratn Shah

Connectionist Temporal Classification (CTC) is a widely used criterion for training supervised sequence-to-sequence (seq2seq) models. It enables learning the relations between input and output sequences, termed alignments, by marginalizing…

Fine-grained entity type classification (FETC) is the task of classifying an entity mention to a broad set of types. Distant supervision paradigm is extensively used to generate training data for this task. However, generated training data…

计算与语言 · 计算机科学 2017-02-23 Abhishek , Ashish Anand , Amit Awekar

Multilingual BERT (mBERT) has shown reasonable capability for zero-shot cross-lingual transfer when fine-tuned on downstream tasks. Since mBERT is not pre-trained with explicit cross-lingual supervision, transfer performance can further be…

计算与语言 · 计算机科学 2020-10-01 Saurabh Kulshreshtha , José Luis Redondo-García , Ching-Yun Chang

Large pre-trained sentence encoders like BERT start a new chapter in natural language processing. A common practice to apply pre-trained BERT to sequence classification tasks (e.g., classification of sentences or sentence pairs) is by…

计算与语言 · 计算机科学 2020-02-26 Wenxuan Zhou , Junyi Du , Xiang Ren

Despite the development of various deep learning methods for Wi-Fi sensing, package loss often results in noncontinuous estimation of the Channel State Information (CSI), which negatively impacts the performance of the learning models. To…

机器学习 · 计算机科学 2024-12-10 Zijian Zhao , Tingwei Chen , Fanyi Meng , Hang Li , Xiaoyang Li , Guangxu Zhu

Recent pre-trained transformer models achieve superior performance in various code processing objectives. However, although effective at optimizing decision boundaries, common approaches for fine-tuning them for downstream classification…

机器学习 · 计算机科学 2025-07-29 Adelaide Danilov , Aria Nourbakhsh , Christoph Schommer

While pre-trained language models (e.g., BERT) have achieved impressive results on different natural language processing tasks, they have large numbers of parameters and suffer from big computational and memory costs, which make them…

计算与语言 · 计算机科学 2021-06-01 Jin Xu , Xu Tan , Renqian Luo , Kaitao Song , Jian Li , Tao Qin , Tie-Yan Liu

In this paper, the authors propose TriBERTa, a supervised entity resolution system that utilizes a pre-trained large language model and a triplet loss function to learn representations for entity matching. The system consists of two steps:…

计算与语言 · 计算机科学 2024-11-19 Xiaowei Xu , Bi T. Foua , Xingqiao Wang , Vivek Gunasekaran , John R. Talburt

Models based on BERT have been extremely successful in solving a variety of natural language processing (NLP) tasks. Unfortunately, many of these large models require a great deal of computational resources and/or time for pre-training and…

计算与语言 · 计算机科学 2022-02-28 Sharath Nittur Sridhar , Anthony Sarah , Sairam Sundaresan

Accurate click-through rate (CTR) prediction is vital for online advertising and recommendation systems. Recent deep learning advancements have improved the ability to capture feature interactions and understand user interests. However,…

信息检索 · 计算机科学 2025-02-24 Kefan Wang , Hao Wang , Kenan Song , Wei Guo , Kai Cheng , Zhi Li , Yong Liu , Defu Lian , Enhong Chen