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Hierarchical classification aims to sort the object into a hierarchical structure of categories. For example, a bird can be categorized according to a three-level hierarchy of order, family, and species. Existing methods commonly address…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Renzhen Wang , De cai , Kaiwen Xiao , Xixi Jia , Xiao Han , Deyu Meng

Large Language Models (LLMs) have revolutionized natural language processing with their remarkable capabilities in text generation and reasoning. However, these models face critical challenges when deployed in real-world applications,…

计算与语言 · 计算机科学 2025-09-16 Pengcheng Jiang , Siru Ouyang , Yizhu Jiao , Ming Zhong , Runchu Tian , Jiawei Han

Ride-hailing platforms face significant challenges in optimizing order dispatching and driver repositioning operations in dynamic urban environments. Traditional approaches based on combinatorial optimization, rule-based heuristics, and…

机器学习 · 计算机科学 2025-05-30 Tengfei Lyu , Siyuan Feng , Hao Liu , Hai Yang

We propose a hybrid architecture that integrates decision tree-based symbolic reasoning with the generative capabilities of large language models (LLMs) within a coordinated multi-agent framework. Unlike prior approaches that loosely couple…

人工智能 · 计算机科学 2025-08-08 Andrew Kiruluta

Out-of-distribution (OOD) detection is essential for reliable and trustworthy machine learning. Recent multi-modal OOD detection leverages textual information from in-distribution (ID) class names for visual OOD detection, yet it currently…

计算与语言 · 计算机科学 2023-10-13 Yi Dai , Hao Lang , Kaisheng Zeng , Fei Huang , Yongbin Li

We present a novel hierarchical triplet loss (HTL) capable of automatically collecting informative training samples (triplets) via a defined hierarchical tree that encodes global context information. This allows us to cope with the main…

计算机视觉与模式识别 · 计算机科学 2018-10-17 Weifeng Ge , Weilin Huang , Dengke Dong , Matthew R. Scott

Digraphs H for which the list homomorphism problem with template H (LHOM(H)) is in logspace (L) was characterized by Egri et al. (SODA 2014): LHOM(H) is in L if and only if H does not contain a circular N (assuming L is different from NL).…

计算复杂性 · 计算机科学 2015-10-27 Laszlo Egri

In this paper, we propose a multiscale method for heterogeneous Stokes problems. The method is based on the Localized Orthogonal Decomposition (LOD) methodology and has approximation properties independent of the regularity of the…

数值分析 · 数学 2024-10-21 Moritz Hauck , Alexei Lozinski

Benefiting from massive corpora and advanced hardware, large language models (LLMs) exhibit remarkable capabilities in language understanding and generation. However, their performance degrades in scenarios where multiple tasks are…

计算与语言 · 计算机科学 2023-10-24 Xiao Wang , Tianze Chen , Qiming Ge , Han Xia , Rong Bao , Rui Zheng , Qi Zhang , Tao Gui , Xuanjing Huang

As a pivotal task in data lake management, joinable table discovery has attracted widespread interest. While existing language model-based methods achieve remarkable performance by combining offline column representation learning with…

计算与语言 · 计算机科学 2026-01-06 Shiyuan Liu , Jianwei Wang , Xuemin Lin , Lu Qin , Wenjie Zhang , Ying Zhang

In recent years, multi-view multi-label learning (MVML) has attracted extensive attention due to its close alignment to real-world scenarios. Information-theoretic methods have gained prominence for learning nonlinear correlations. However,…

机器学习 · 计算机科学 2026-03-04 Cheng Peng , Yonghao Li , Wanfu Gao , Jie Wen , Weiping Ding

We study the question of how concepts that have structure get represented in the brain. Specifically, we introduce a model for hierarchically structured concepts and we show how a biologically plausible neural network can recognize these…

人工智能 · 计算机科学 2024-02-28 Nancy Lynch , Frederik Mallmann-Trenn

In the era of Large Language Models (LLMs), generative linguistic steganography has become a prevalent technique for hiding information within model-generated texts. However, traditional steganography methods struggle to effectively align…

密码学与安全 · 计算机科学 2024-12-17 Minhao Bai , Jinshuai Yang , Kaiyi Pang , Yongfeng Huang , Yue Gao

We present a novel OCR-free document understanding framework based on pretrained Multimodal Large Language Models (MLLMs). Our approach employs multi-scale visual features to effectively handle various font sizes within document images. To…

计算机视觉与模式识别 · 计算机科学 2024-11-11 Jaeyoo Park , Jin Young Choi , Jeonghyung Park , Bohyung Han

Substantial progress has been made in various techniques for open-world recognition. Out-of-distribution (OOD) detection methods can effectively distinguish between known and unknown classes in the data, while incremental learning enables…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Xiang Xiang , Qinhao Zhou , Zhuo Xu , Jing Ma , Jiaxin Dai , Yifan Liang , Hanlin Li

Most autonomous cars rely on the availability of high-definition (HD) maps. Current research aims to address this constraint by directly predicting HD map elements from onboard sensors and reasoning about the relationships between the…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Khanh Son Pham , Christian Witte , Jens Behley , Johannes Betz , Cyrill Stachniss

Table structure recognition is a challenging task due to the various structures and complicated cell spanning relations. Previous methods handled the problem starting from elements in different granularities (rows/columns, text regions),…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Liang Qiao , Zaisheng Li , Zhanzhan Cheng , Peng Zhang , Shiliang Pu , Yi Niu , Wenqi Ren , Wenming Tan , Fei Wu

This work is motivated by recent applications of structured dictionary learning, in particular when the dictionary is assumed to be the product of a few Householder atoms. We investigate the following two problems: 1) How do we approximate…

信号处理 · 电气工程与系统科学 2025-04-21 Anirudh Dash , Aditya Siripuram

Large language models (LLMs) exhibit exceptional performance across various domains, yet they face critical safety concerns. Model editing has emerged as an effective approach to mitigate these issues. Existing model editing methods often…

计算与语言 · 计算机科学 2026-01-19 Xiaojie Gu , Guangxu Chen , Yuheng Yang , Jingxin Han , Andi Zhang

In natural languages, words are used in association to construct sentences. It is not words in isolation, but the appropriate combination of hierarchical structures that conveys the meaning of the whole sentence. Neural networks can capture…

计算与语言 · 计算机科学 2020-11-03 Miruna Pislar , Marek Rei