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Unsupervised domain adaptation (UDA) tries to overcome the need for a large labeled dataset by transferring knowledge from a source dataset, with lots of labeled data, to a target dataset, that has no labeled data. Since there are no labels…

Computer Vision and Pattern Recognition · Computer Science 2023-11-17 Thomas Westfechtel , Hao-Wei Yeh , Dexuan Zhang , Tatsuya Harada

Recently embedding-based retrieval or dense retrieval have shown state of the art results, compared with traditional sparse or bag-of-words based approaches. This paper introduces a model-agnostic doc-level embedding framework through large…

Information Retrieval · Computer Science 2024-04-10 Mingrui Wu , Sheng Cao

Dense retrievers enhance retrieval by encoding queries and documents into continuous vectors, but they often struggle with reasoning-intensive queries. Although Large Language Models (LLMs) can reformulate queries to capture complex…

Information Retrieval · Computer Science 2025-10-29 Yichi Zhang , Jun Bai , Zhixin Cai , Shuhan Qin , Zhuofan Chen , Jinghua Guan , Wenge Rong

Structured tabular data is a fundamental data type in numerous fields, and the capacity to reason over tables is crucial for answering questions and validating hypotheses. However, constructing labeled data for complex reasoning tasks is…

Computation and Language · Computer Science 2024-06-24 Zhenyu Li , Xiuxing Li , Sunqi Fan , Jianyong Wang

Deploying dense retrieval models efficiently is becoming increasingly important across various industries. This is especially true for enterprise search services, where customizing search engines to meet the time demands of different…

Information Retrieval · Computer Science 2024-01-24 Chen Huang , Duanyu Feng , Wenqiang Lei , Jiancheng Lv

To alleviate human efforts from obtaining large-scale annotations, Semi-Supervised Relation Extraction methods aim to leverage unlabeled data in addition to learning from limited samples. Existing self-training methods suffer from the…

Computation and Language · Computer Science 2021-09-13 Xuming Hu , Chenwei Zhang , Fukun Ma , Chenyao Liu , Lijie Wen , Philip S. Yu

This paper proposes Attention-Seeker, an unsupervised keyphrase extraction method that leverages self-attention maps from a Large Language Model to estimate the importance of candidate phrases. Our approach identifies specific components -…

Computation and Language · Computer Science 2024-12-17 Erwin D. López Z. , Cheng Tang , Atsushi Shimada

Deep learning for tabular data has garnered increasing attention in recent years, yet employing deep models for structured data remains challenging. While these models excel with unstructured data, their efficacy with structured data has…

Machine Learning · Computer Science 2024-07-23 Hugo Thimonier , Fabrice Popineau , Arpad Rimmel , Bich-Liên Doan

In open-domain question answering, a model receives a text question as input and searches for the correct answer using a large evidence corpus. The retrieval step is especially difficult as typical evidence corpora have \textit{millions} of…

Computation and Language · Computer Science 2021-09-24 Christopher Sciavolino

While retrieval techniques are widely used in practice, they still face significant challenges in cross-domain scenarios. Recently, generation-augmented methods have emerged as a promising solution to this problem. These methods enhance raw…

Computation and Language · Computer Science 2025-02-18 Chaofan Li , Zheng Liu , Jianlyv Chen , Defu Lian , Yingxia Shao

Deep neural network based speech enhancement approaches aim to learn a noisy-to-clean transformation using a supervised learning paradigm. However, such a trained-well transformation is vulnerable to unseen noises that are not included in…

Sound · Computer Science 2023-02-24 Chen Chen , Yuchen Hu , Heqing Zou , Linhui Sun , Eng Siong Chng

Supervised deep learning methods have shown promising results for the task of monocular depth estimation; but acquiring ground truth is costly, and prone to noise as well as inaccuracies. While synthetic datasets have been used to…

Computer Vision and Pattern Recognition · Computer Science 2018-06-08 Jogendra Nath Kundu , Phani Krishna Uppala , Anuj Pahuja , R. Venkatesh Babu

Over the last few years, deep learning has grown in popularity for speaker verification, identification, and diarization. Inarguably, a significant part of this success is due to the demonstrated effectiveness of their speaker…

Sound · Computer Science 2022-10-07 Yehoshua Dissen , Felix Kreuk , Joseph Keshet

Recent self-training techniques have shown notable improvements in unsupervised domain adaptation for 3D object detection (3D UDA). These techniques typically select pseudo labels, i.e., 3D boxes, to supervise models for the target domain.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Zhanwei Zhang , Minghao Chen , Shuai Xiao , Liang Peng , Hengjia Li , Binbin Lin , Ping Li , Wenxiao Wang , Boxi Wu , Deng Cai

Deep learning-based solutions for semantic segmentation suffer from significant performance degradation when tested on data with different characteristics than what was used during the training. Adapting the models using annotated data from…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Xingchen Zhao , Niluthpol Chowdhury Mithun , Abhinav Rajvanshi , Han-Pang Chiu , Supun Samarasekera

Retrieval-Augmented Large Language Models (LLMs), which incorporate the non-parametric knowledge from external knowledge bases into LLMs, have emerged as a promising approach to enhancing response accuracy in several tasks, such as…

Computation and Language · Computer Science 2024-03-29 Soyeong Jeong , Jinheon Baek , Sukmin Cho , Sung Ju Hwang , Jong C. Park

Self-supervised learning of speech representations has achieved impressive results in improving automatic speech recognition (ASR). In this paper, we show that data selection is important for self-supervised learning. We propose a simple…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-06 Zhiyun Lu , Yongqiang Wang , Yu Zhang , Wei Han , Zhehuai Chen , Parisa Haghani

Retrieval models based on dense representations in semantic space have become an indispensable branch for first-stage retrieval. These retrievers benefit from surging advances in representation learning towards compressive global…

Computation and Language · Computer Science 2023-03-06 Kai Zhang , Chongyang Tao , Tao Shen , Can Xu , Xiubo Geng , Binxing Jiao , Daxin Jiang

The \textit{de facto} paradigm for applying dense retrieval (DR) to new tasks involves fine-tuning a pre-trained model for a specific task. However, this paradigm has two significant limitations: (1) It is difficult adapt the DR to a new…

Information Retrieval · Computer Science 2026-02-27 Zhan Su , Fengran Mo , Jinghan Zhang , Yuchen Hui , Jia Ao Sun , Bingbing Wen , Jian-Yun Nie

Self-Supervised Learning (SSL) has allowed leveraging large amounts of unlabeled speech data to improve the performance of speech recognition models even with small annotated datasets. Despite this, speech SSL representations may fail while…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-02 Salah Zaiem , Titouan Parcollet , Slim Essid