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Cross encoders (CEs) are trained with sentence pairs to detect relatedness. As CEs require sentence pairs at inference, the prevailing view is that they can only be used as re-rankers in information retrieval pipelines. Dual encoders (DEs)…

计算与语言 · 计算机科学 2025-02-07 Haritha Ananthakrishnan , Julian Dolby , Harsha Kokel , Horst Samulowitz , Kavitha Srinivas

State-of-the-art ASR systems have achieved promising results by modeling local and global interactions separately. While the former can be computed efficiently, global interactions are usually modeled via attention mechanisms, which are…

计算与语言 · 计算机科学 2023-05-30 Florian Mai , Juan Zuluaga-Gomez , Titouan Parcollet , Petr Motlicek

This paper presents six document classification models using the latest transformer encoders and a high-performing ensemble model for a task of offensive language identification in social media. For the individual models, deep transformer…

计算与语言 · 计算机科学 2020-07-22 Xiangjue Dong , Jinho D. Choi

Attention-based recurrent neural encoder-decoder models present an elegant solution to the automatic speech recognition problem. This approach folds the acoustic model, pronunciation model, and language model into a single network and…

音频与语音处理 · 电气工程与系统科学 2018-11-08 Shubham Toshniwal , Anjuli Kannan , Chung-Cheng Chiu , Yonghui Wu , Tara N Sainath , Karen Livescu

End-to-end Spoken Language Understanding (SLU) models are made increasingly large and complex to achieve the state-ofthe-art accuracy. However, the increased complexity of a model can also introduce high risk of over-fitting, which is a…

音频与语音处理 · 电气工程与系统科学 2020-08-14 Xueli Jia , Jianzong Wang , Zhiyong Zhang , Ning Cheng , Jing Xiao

Linear attention mechanisms have gained prominence in causal language models due to their linear computational complexity and enhanced speed. However, the inherent decay mechanism in linear attention presents challenges when applied to…

计算与语言 · 计算机科学 2024-06-03 Zhen Qin , Yuxin Mao , Xuyang Shen , Dong Li , Jing Zhang , Yuchao Dai , Yiran Zhong

Transformer has been successfully applied to many natural language processing tasks. However, for textual sequence matching, simple matching between the representation of a pair of sequences might bring in unnecessary noise. In this paper,…

计算与语言 · 计算机科学 2020-01-22 Shuohang Wang , Yunshi Lan , Yi Tay , Jing Jiang , Jingjing Liu

Transformers have demonstrated great success in numerous domains including natural language processing and bioinformatics. This success stems from the use of the attention mechanism by these models in order to represent and propagate…

机器学习 · 计算机科学 2025-02-10 Nathaniel Tomczak , Sanmukh Kuppannagari

Cross-encoders are effective passage and document re-rankers but less efficient than other neural or classic retrieval models. A few previous studies have applied windowed self-attention to make cross-encoders more efficient. However, these…

信息检索 · 计算机科学 2024-03-21 Ferdinand Schlatt , Maik Fröbe , Matthias Hagen

Current one-stage methods for visual grounding encode the language query as one holistic sentence embedding before fusion with visual feature. Such a formulation does not treat each word of a query sentence on par when modeling language to…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Heng Zhao , Joey Tianyi Zhou , Yew-Soon Ong

The dominant sequence transduction models are based on complex recurrent or convolutional neural networks in an encoder-decoder configuration. The best performing models also connect the encoder and decoder through an attention mechanism.…

Multi-encoder models are a broad family of context-aware neural machine translation systems that aim to improve translation quality by encoding document-level contextual information alongside the current sentence. The context encoding is…

计算与语言 · 计算机科学 2022-10-25 Lorenzo Lupo , Marco Dinarelli , Laurent Besacier

We show that Transformer encoder architectures can be sped up, with limited accuracy costs, by replacing the self-attention sublayers with simple linear transformations that "mix" input tokens. These linear mixers, along with standard…

计算与语言 · 计算机科学 2022-05-30 James Lee-Thorp , Joshua Ainslie , Ilya Eckstein , Santiago Ontanon

Most attention-based image captioning models attend to the image once per word. However, attending once per word is rigid and is easy to miss some information. Attending more times can adjust the attention position, find the missing…

计算机视觉与模式识别 · 计算机科学 2019-02-12 Jiajun Du , Yu Qin , Hongtao Lu , Yonghua Zhang

Recently, the Transformer model that is based solely on attention mechanisms, has advanced the state-of-the-art on various machine translation tasks. However, recent studies reveal that the lack of recurrence hinders its further improvement…

计算与语言 · 计算机科学 2019-04-08 Jie Hao , Xing Wang , Baosong Yang , Longyue Wang , Jinfeng Zhang , Zhaopeng Tu

Multimodal large language models (MLLMs) require a nuanced interpretation of complex image information, typically leveraging a vision encoder to perceive various visual scenarios. However, relying solely on a single vision encoder to handle…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Xin He , Xumeng Han , Longhui Wei , Lingxi Xie , Qi Tian

Previous multi-task dense prediction studies developed complex pipelines such as multi-modal distillations in multiple stages or searching for task relational contexts for each task. The core insight beyond these methods is to maximize the…

计算机视觉与模式识别 · 计算机科学 2023-04-10 Yangyang Xu , Xiangtai Li , Haobo Yuan , Yibo Yang , Lefei Zhang

Language model (LM) pre-training has resulted in impressive performance and sample efficiency on a variety of language understanding tasks. However, it remains unclear how to best use pre-trained LMs for generation tasks such as abstractive…

计算与语言 · 计算机科学 2019-05-23 Urvashi Khandelwal , Kevin Clark , Dan Jurafsky , Lukasz Kaiser

Transformer-based NLP models are powerful but have high computational costs that limit deployment. Finetuned encoder-decoder models are popular in specialized domains and can outperform larger more generalized decoder-only models, such as…

计算与语言 · 计算机科学 2024-11-19 Bo-Ru Lu , Nikita Haduong , Chien-Yu Lin , Hao Cheng , Noah A. Smith , Mari Ostendorf

Pretrained transformer models have demonstrated remarkable performance across various natural language processing tasks. These models leverage the attention mechanism to capture long- and short-range dependencies in the sequence. However,…

计算与语言 · 计算机科学 2023-10-20 Qingru Zhang , Dhananjay Ram , Cole Hawkins , Sheng Zha , Tuo Zhao