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Voice assistants increasingly use on-device Automatic Speech Recognition (ASR) to ensure speed and privacy. However, due to resource constraints on the device, queries pertaining to complex information domains often require further…

音频与语音处理 · 电气工程与系统科学 2024-06-13 Iwen E. Kang , Christophe Van Gysel , Man-Hung Siu

Popularized by the Differentiable Search Index, the emerging paradigm of generative retrieval re-frames the classic information retrieval problem into a sequence-to-sequence modeling task, forgoing external indices and encoding an entire…

信息检索 · 计算机科学 2023-05-22 Ronak Pradeep , Kai Hui , Jai Gupta , Adam D. Lelkes , Honglei Zhuang , Jimmy Lin , Donald Metzler , Vinh Q. Tran

In this paper, we propose Dynamic Compressive Transformer (DCT), a transformer-based framework for modeling the unbounded sequence. In contrast to the previous baselines which append every sentence representation to memory, conditionally…

计算与语言 · 计算机科学 2021-10-12 Kai-Po Chang , Wei-Yun Ma

The extraction of relevant information carried out by named entities in handwriting documents is still a challenging task. Unlike traditional information extraction approaches that usually face text transcription and named entity…

计算机视觉与模式识别 · 计算机科学 2021-12-09 Ahmed Cheikh Rouhoua , Marwa Dhiaf , Yousri Kessentini , Sinda Ben Salem

Transformer is important for text modeling. However, it has difficulty in handling long documents due to the quadratic complexity with input text length. In order to handle this problem, we propose a hierarchical interactive Transformer…

计算与语言 · 计算机科学 2021-12-10 Chuhan Wu , Fangzhao Wu , Tao Qi , Yongfeng Huang

Unsupervised style transfer models are mainly based on an inductive learning approach, which represents the style as embeddings, decoder parameters, or discriminator parameters and directly applies these general rules to the test cases.…

计算与语言 · 计算机科学 2021-09-17 Fei Xiao , Liang Pang , Yanyan Lan , Yan Wang , Huawei Shen , Xueqi Cheng

Pre-trained transformers have recently clinched top spots in the gamut of natural language tasks and pioneered solutions to software engineering tasks. Even information retrieval has not been immune to the charm of the transformer, though…

信息检索 · 计算机科学 2021-08-10 Colin B. Clement , Chen Wu , Dawn Drain , Neel Sundaresan

The Transformer is a highly successful deep learning model that has revolutionised the world of artificial neural networks, first in natural language processing and later in computer vision. This model is based on the attention mechanism…

机器学习 · 计算机科学 2023-05-09 Riccardo Ughi , Eugenio Lomurno , Matteo Matteucci

We present a novel usage of Transformers to make image classification interpretable. Unlike mainstream classifiers that wait until the last fully connected layer to incorporate class information to make predictions, we investigate a…

Differentiable architecture search (DARTS) is successfully applied in many vision tasks. However, directly using DARTS for Transformers is memory-intensive, which renders the search process infeasible. To this end, we propose a multi-split…

机器学习 · 计算机科学 2021-06-01 Yuekai Zhao , Li Dong , Yelong Shen , Zhihua Zhang , Furu Wei , Weizhu Chen

The utilization of Transformer-based models prospers the growth of multi-document summarization (MDS). Given the huge impact and widespread adoption of Transformer-based models in various natural language processing tasks, investigating…

计算与语言 · 计算机科学 2024-07-17 Congbo Ma , Wei Emma Zhang , Dileepa Pitawela , Haojie Zhuang , Yanfeng Shu

The Transformer-Kernel (TK) model has demonstrated strong reranking performance on the TREC Deep Learning benchmark---and can be considered to be an efficient (but slightly less effective) alternative to BERT-based ranking models. In this…

信息检索 · 计算机科学 2020-07-22 Bhaskar Mitra , Sebastian Hofstatter , Hamed Zamani , Nick Craswell

Transformers have been widely applied in text classification. Unfortunately, real-world data contain anomalies and noisy labels that cause challenges for state-of-art Transformers. This paper proposes Protoformer, a novel self-learning…

计算与语言 · 计算机科学 2022-06-28 Ashkan Farhangi , Ning Sui , Nan Hua , Haiyan Bai , Arthur Huang , Zhishan Guo

Search is an ability foundational in many important tasks, and recent studies have shown that large language models (LLMs) struggle to perform search robustly. It is unknown whether this inability is due to a lack of data, insufficient…

Cross-model retrieval has emerged as one of the most important upgrades for text-only search engines (SE). Recently, with powerful representation for pairwise text-image inputs via early interaction, the accuracy of vision-language (VL)…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Lisai Zhang , Hongfa Wu , Qingcai Chen , Yimeng Deng , Zhonghua Li , Dejiang Kong , Zhao Cao , Joanna Siebert , Yunpeng Han

Transformer-based models have gained increasing popularity achieving state-of-the-art performance in many research fields including speech translation. However, Transformer's quadratic complexity with respect to the input sequence length…

计算与语言 · 计算机科学 2023-10-19 Sara Papi , Marco Gaido , Matteo Negri , Marco Turchi

Sparse document representations have been widely used to retrieve relevant documents via exact lexical matching. Owing to the pre-computed inverted index, it supports fast ad-hoc search but incurs the vocabulary mismatch problem. Although…

信息检索 · 计算机科学 2023-10-06 Eunseong Choi , Sunkyung Lee , Minjin Choi , Hyeseon Ko , Young-In Song , Jongwuk Lee

This paper describes a compact and effective model for low-latency passage retrieval in conversational search based on learned dense representations. Prior to our work, the state-of-the-art approach uses a multi-stage pipeline comprising…

信息检索 · 计算机科学 2021-11-30 Sheng-Chieh Lin , Jheng-Hong Yang , Jimmy Lin

Transformers have demonstrated remarkable performance in natural language processing and computer vision. However, existing vision Transformers struggle to learn from limited medical data and are unable to generalize on diverse medical…

图像与视频处理 · 电气工程与系统科学 2023-04-06 Yunhe Gao , Mu Zhou , Di Liu , Zhennan Yan , Shaoting Zhang , Dimitris N. Metaxas

Diffusion models have shown exceptional scaling properties in the image synthesis domain, and initial attempts have shown similar benefits for applying diffusion to unconditional text synthesis. Denoising diffusion models attempt to…

音频与语音处理 · 电气工程与系统科学 2022-10-17 Matthew Baas , Kevin Eloff , Herman Kamper