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With over 200 million published academic documents and millions of new documents being written each year, academic researchers face the challenge of searching for information within this vast corpus. However, existing retrieval systems…

Information Retrieval · Computer Science 2024-05-21 Gengchen Wei , Xinle Pang , Tianning Zhang , Yu Sun , Xun Qian , Chen Lin , Han-Sen Zhong , Wanli Ouyang

In this paper, we investigate the knowledge distillation (KD) strategy for object detection and propose an effective framework applicable to both homogeneous and heterogeneous student-teacher pairs. The conventional feature imitation…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Lewei Yao , Renjie Pi , Hang Xu , Wei Zhang , Zhenguo Li , Tong Zhang

Training machine learning models on massive datasets is expensive and time-consuming. Dataset distillation addresses this by creating a small synthetic dataset that achieves the same performance as the full dataset. Recent methods use…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Jeffrey A. Chan-Santiago , Mubarak Shah

Effectively structuring deep knowledge plays a pivotal role in transfer from teacher to student, especially in semantic vision tasks. In this paper, we present a simple knowledge structure to exploit and encode information inside the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Yixin Chen , Pengguang Chen , Shu Liu , Liwei Wang , Jiaya Jia

Text contained in an image carries high-level semantics that can be exploited to achieve richer image understanding. In particular, the mere presence of text provides strong guiding content that should be employed to tackle a diversity of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-15 Andres Mafla , Sounak Dey , Ali Furkan Biten , Lluis Gomez , Dimosthenis Karatzas

Deep Neural Networks (DNNs) have achieved notable performance in the fields of computer vision and natural language processing with various applications in both academia and industry. However, with recent advancements in DNNs and…

Real-world imagery is often characterized by a significant imbalance of the number of images per class, leading to long-tailed distributions. An effective and simple approach to long-tailed visual recognition is to learn feature…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Ahmet Iscen , André Araujo , Boqing Gong , Cordelia Schmid

Knowledge distillation is an effective technique for pre-trained language model compression. However, existing methods only focus on the knowledge distribution among layers, which may cause the loss of fine-grained information in the…

Computation and Language · Computer Science 2026-04-06 Zihe Liu , Yulong Mao , Jinan Xu , Xinrui Peng , Kaiyu Huang

This paper explores the use of knowledge distillation to improve a Multi-Task Deep Neural Network (MT-DNN) (Liu et al., 2019) for learning text representations across multiple natural language understanding tasks. Although ensemble learning…

Computation and Language · Computer Science 2019-04-23 Xiaodong Liu , Pengcheng He , Weizhu Chen , Jianfeng Gao

Knowledge distillation (KD) is widely used for compressing a teacher model to reduce its inference cost and memory footprint, by training a smaller student model. However, current KD methods for auto-regressive sequence models suffer from…

Machine Learning · Computer Science 2024-01-18 Rishabh Agarwal , Nino Vieillard , Yongchao Zhou , Piotr Stanczyk , Sabela Ramos , Matthieu Geist , Olivier Bachem

Constructing accurate knowledge graphs from long texts and low-resource languages is challenging, as large language models (LLMs) experience degraded performance with longer input chunks. This problem is amplified in low-resource settings…

Computation and Language · Computer Science 2025-03-25 Divyansh Singh , Manuel Nunez Martinez , Bonnie J. Dorr , Sonja Schmer Galunder

Dense retrieval is widely used for entity linking to retrieve entities from large-scale knowledge bases. Mainstream techniques are based on a dual-encoder framework, which encodes mentions and entities independently and calculates their…

Computation and Language · Computer Science 2023-05-30 Yi Liu , Yuan Tian , Jianxun Lian , Xinlong Wang , Yanan Cao , Fang Fang , Wen Zhang , Haizhen Huang , Denvy Deng , Qi Zhang

Retrieval-Augmented Generation (RAG) encounters efficiency challenges when scaling to massive knowledge bases while preserving contextual relevance. We propose Hash-RAG, a framework that integrates deep hashing techniques with systematic…

Information Retrieval · Computer Science 2025-06-04 Jinyu Guo , Xunlei Chen , Qiyang Xia , Zhaokun Wang , Jie Ou , Libo Qin , Shunyu Yao , Wenhong Tian

Diffusion Models have emerged as a leading class of generative models, yet their iterative sampling process remains computationally expensive. Timestep distillation is a promising technique to accelerate generation, but it often requires…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Guanjie Chen , Shirui Huang , Kai Liu , Jianchen Zhu , Xiaoye Qu , Peng Chen , Yu Cheng , Yifu Sun

Fine-grained domain generalization (FGDG) is a more challenging task than traditional DG tasks due to its small inter-class variations and relatively large intra-class disparities. When domain distribution changes, the vulnerability of…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Wenlong Yu , Dongyue Chen , Qilong Wang , Qinghua Hu

Recent dense retrievers increasingly leverage the robust text understanding capabilities of Large Language Models (LLMs), encoding queries and documents into a shared embedding space for effective retrieval. However, most existing methods…

Information Retrieval · Computer Science 2025-10-07 Yifan Ji , Zhipeng Xu , Zhenghao Liu , Yukun Yan , Shi Yu , Yishan Li , Zhiyuan Liu , Yu Gu , Ge Yu , Maosong Sun

Existing fine-grained image retrieval (FGIR) methods learn discriminative embeddings by adopting semantically sparse one-hot labels derived from category names as supervision. While effective on seen classes, such supervision overlooks the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Shijie Wang , Xin Yu , Yadan Luo , Zijian Wang , Pengfei Zhang , Zi Huang

Retrieval-augmented generation (RAG) systems have been widely adopted in contemporary large language models (LLMs) due to their ability to improve generation quality while reducing the required input context length. In this work, we focus…

Computation and Language · Computer Science 2026-04-07 Tianyi Zhang , Andreas Marfurt

With the rapid advancement of large language models (LLMs), growing efforts have been made on LLM-based table retrieval. However, existing studies typically focus on single-table query, and implement it by similarity matching after encoding…

Information Retrieval · Computer Science 2026-03-31 Chaojie Sun , Bin Cao , Tiantian Li , Chenyu Hou , Ruizhe Li , Jing Fan

Large Language Models (LLMs) have shown impressive capabilities, yet updating their knowledge remains a significant challenge, often leading to outdated or inaccurate responses. A proposed solution is the integration of external knowledge…

Computation and Language · Computer Science 2025-07-16 Dehao Tao , Congqi Wang , Feng Huang , Junhao Chen , Yongfeng Huang , Minghu Jiang