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Tables organize valuable content in a concise and compact representation. This content is extremely valuable for systems such as search engines, Knowledge Graph's, etc, since they enhance their predictive capabilities. Unfortunately, tables…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Ahmed Nassar , Nikolaos Livathinos , Maksym Lysak , Peter Staar

Transformation-robustness is an important feature for machine learning models that perform image classification. Many methods aim to bestow this property to models by the use of data augmentation strategies, while more formal guarantees are…

计算机视觉与模式识别 · 计算机科学 2022-10-21 Sai Raam Venkataraman , S. Balasubramanian , R. Raghunatha Sarma

Complex reasoning over tabular data is crucial in real-world data analysis, yet large language models (LLMs) often underperform due to complex queries, noisy data, and limited numerical capabilities. To address these issues, we propose…

人工智能 · 计算机科学 2025-11-06 Changjiang Jiang , Fengchang Yu , Haihua Chen , Wei Lu , Jin Zeng

Data collected at very frequent intervals is usually extremely sparse and has no structure that is exploitable by modern tensor decomposition algorithms. Thus the utility of such tensors is low, in terms of the amount of interpretable and…

机器学习 · 计算机科学 2022-03-03 Ravdeep Pasricha , Ekta Gujral , Evangelos E. Papalexakis

Tensor ring (TR) decomposition is a powerful tool for exploiting the low-rank nature of multiway data and has demonstrated great potential in a variety of important applications. In this paper, nonnegative tensor ring (NTR) decomposition…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Yuyuan Yu , Guoxu Zhou , Ning Zheng , Shengli Xie , Qibin Zhao

Documents are often used for knowledge sharing and preservation in business and science, within which are tables that capture most of the critical data. Unfortunately, most documents are stored and distributed as PDF or scanned images,…

计算机视觉与模式识别 · 计算机科学 2020-12-03 Xinyi Zheng , Doug Burdick , Lucian Popa , Xu Zhong , Nancy Xin Ru Wang

Enabling question answering over tables and databases in natural language has become a key capability in the democratization of insights from tabular data sources. These systems first require retrieval of data that is relevant to a given…

信息检索 · 计算机科学 2026-03-10 Wojciech Kosiuk , Xingyu Ji , Yeounoh Chung , Fatma Özcan , Madelon Hulsebos

To address the challenges of table structure recognition, we propose a novel Split-Merge-based top-down model optimized for large, densely populated tables. Our approach formulates row and column splitting as sequence labeling tasks,…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Qiyu Hou , Jun Wang

Incorporating external knowledge bases in traditional retrieval-augmented generation (RAG) relies on parsing the document, followed by querying a language model with the parsed information via in-context learning. While effective for…

计算与语言 · 计算机科学 2026-02-03 Jacob Si , Mike Qu , Michelle Lee , Marek Rei , Yingzhen Li

Tensor ring (TR) decomposition has recently received increased attention due to its superior expressive performance for high-order tensors. However, the applicability of traditional TR decomposition algorithms to real-world applications is…

机器学习 · 计算机科学 2023-05-17 Yicong He , George K. Atia

An increasing number of data science and machine learning problems rely on computation with tensors, which better capture the multi-way relationships and interactions of data than matrices. When tapping into this critical advantage, a key…

机器学习 · 统计学 2023-02-23 Harry Dong , Tian Tong , Cong Ma , Yuejie Chi

Tables are pervasive in diverse documents, making table recognition (TR) a fundamental task in document analysis. Existing modular TR pipelines separately model table structure and content, leading to suboptimal integration and complex…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Chunxia Qin , Chenyu Liu , Pengcheng Xia , Jun Du , Baocai Yin , Bing Yin , Cong Liu

Recently, table structure recognition has achieved impressive progress with the help of deep graph models. Most of them exploit single visual cues of tabular elements or simply combine visual cues with other modalities via early fusion to…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Hao Liu , Xin Li , Bing Liu , Deqiang Jiang , Yinsong Liu , Bo Ren

Compositional verification algorithms are well-studied in the context of model checking. Properly selecting components for verification is important for efficiency, yet has received comparatively less attention. In this paper, we address…

形式语言与自动机理论 · 计算机科学 2024-08-19 Ian Dardik , April Porter , Eunsuk Kang

Table structure recognition is a crucial part of document image analysis domain. Its difficulty lies in the need to parse the physical coordinates and logical indices of each cell at the same time. However, the existing methods are…

计算机视觉与模式识别 · 计算机科学 2022-09-01 Zengyuan Guo , Yuechen Yu , Pengyuan Lv , Chengquan Zhang , Haojie Li , Zhihui Wang , Kun Yao , Jingtuo Liu , Jingdong Wang

All tables can be represented as grids. Based on this observation, we propose GridFormer, a novel approach for interpreting unconstrained table structures by predicting the vertex and edge of a grid. First, we propose a flexible table…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Pengyuan Lyu , Weihong Ma , Hongyi Wang , Yuechen Yu , Chengquan Zhang , Kun Yao , Yang Xue , Jingdong Wang

Table recognition is using the computer to automatically understand the table, to detect the position of the table from the document or picture, and to correctly extract and identify the internal structure and content of the table. After…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Shi Jiyuan , Shi chunqi

Table structure recognition (TSR) aims at extracting tables in images into machine-understandable formats. Recent methods solve this problem by predicting the adjacency relations of detected cell boxes or learning to directly generate the…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Rujiao Long , Hangdi Xing , Zhibo Yang , Qi Zheng , Zhi Yu , Cong Yao , Fei Huang

Retrieval-Augmented Generation (RAG) systems critically depend on how external knowledge is segmented, structured, and retrieved. Most existing approaches either retrieve fixed-length text chunks, which fragments discourse context, or…

信息检索 · 计算机科学 2026-04-21 Mengzhu Chen , Haodong Yang , Jia Cai , Xiaolin Huang

With the remarkable advancement of AI agents, the number of their equipped tools is increasing rapidly. However, integrating all tool information into the limited model context becomes impractical, highlighting the need for efficient tool…

信息检索 · 计算机科学 2025-08-08 Linfeng Gao , Yaoxiang Wang , Minlong Peng , Jialong Tang , Yuzhe Shang , Mingming Sun , Jinsong Su