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Table Detection has become a fundamental task for visually rich document understanding with the surging number of electronic documents. However, popular public datasets widely used in related studies have inherent limitations, including…

Information Retrieval · Computer Science 2023-11-09 Bin Xiao , Murat Simsek , Burak Kantarci , Ala Abu Alkheir

We present the first end-to-end, transformer-based table question answering (QA) system that takes natural language questions and massive table corpus as inputs to retrieve the most relevant tables and locate the correct table cells to…

Computation and Language · Computer Science 2021-06-10 Feifei Pan , Mustafa Canim , Michael Glass , Alfio Gliozzo , Peter Fox

Neural embedding models are extensively employed in the table union search problem, which aims to find semantically compatible tables that can be merged with a given query table. In particular, multi-vector models, which represent a table…

Databases · Computer Science 2025-11-10 Yiming Xie , Hua Dai , Mingfeng Jiang , Pengyue Li , zhengkai Zhang , Bohan Li

Storing tabular data to balance storage and query efficiency is a long-standing research question in the database community. In this work, we argue and show that a novel DeepMapping abstraction, which relies on the impressive memorization…

Databases · Computer Science 2024-09-27 Lixi Zhou , K. Selçuk Candan , Jia Zou

Realizing that it is inherently difficult to precisely match the sending rates at the endhost with the available capacity on dynamic cellular links, we build a system, Octopus, that sends real-time data streams over cellular networks using…

Networking and Internet Architecture · Computer Science 2022-08-23 Yongzhou Chen , Ammar Tahir , Radhika Mittal

Table images present unique challenges for effective and efficient understanding due to the need for question-specific focus and the presence of redundant background regions. Existing Multimodal Large Language Model (MLLM) approaches often…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Jongha Kim , Minseong Bae , Sanghyeok Lee , Jinsung Yoon , Hyunwoo J. Kim

This paper structures a novel vision for OLAP by fundamentally redefining several of the pillars on which OLAP has been based for the last 20 years. We redefine OLAP queries, in order to move to higher degrees of abstraction from roll-up's…

Databases · Computer Science 2020-12-10 Panos Vassiliadis , Patrick Marcel , Stefano Rizzi

Deep learning models, such as the fully convolutional network (FCN), have been widely used in 3D biomedical segmentation and achieved state-of-the-art performance. Multiple modalities are often used for disease diagnosis and quantification.…

Image and Video Processing · Electrical Eng. & Systems 2019-08-23 Yu Chen , Jiawei Chen , Dong Wei , Yuexiang Li , Yefeng Zheng

Realistic text-to-SQL workflows often require joining multiple tables. As a result, accurately retrieving the relevant set of tables becomes a key bottleneck for end-to-end performance. We study an open-book setting where queries must be…

Computation and Language · Computer Science 2026-05-29 Hassan Soliman , Vivek Gupta , Dan Roth , Iryna Gurevych

Tables are among the most widely used tools for representing structured data in research, business, medicine, and education. Although LLMs demonstrate strong performance in downstream tasks, their efficiency in processing tabular data…

Computation and Language · Computer Science 2025-08-27 Ekaterina Borisova , Fabio Barth , Nils Feldhus , Raia Abu Ahmad , Malte Ostendorff , Pedro Ortiz Suarez , Georg Rehm , Sebastian Möller

Unionable table search techniques input a query table from a user and search for data lake tables that can contribute additional rows to the query table. The definition of unionability is generally based on similarity measures which may…

Databases · Computer Science 2025-09-03 Aamod Khatiwada , Roee Shraga , Renée J. Miller

Taxonomy inference for tabular data is a critical task of schema inference, aiming at discovering entity types (i.e., concepts) of the tables and building their hierarchy. It can play an important role in data management, data exploration,…

Databases · Computer Science 2025-03-31 Zhenyu Wu , Jiaoyan Chen , Norman W. Paton

Multidimensional databases are a great asset for decision making. Their users express complex OLAP (On-Line Analytical Processing) queries, often returning huge volumes of facts, sometimes providing little or no information. Furthermore,…

Databases · Computer Science 2012-08-02 Saida Aissi , Mohamed Salah Gouider

The Web is a rich source of structured data in the form of tables, from product catalogs and knowledge bases to scientific datasets. However, the heterogeneity of the structure and semantics of these tables makes it challenging to build a…

Computation and Language · Computer Science 2026-02-19 Inwon Kang , Parikshit Ram , Yi Zhou , Horst Samulowitz , Oshani Seneviratne

The rapidly growing ecosystem of Large Language Models (LLMs) makes it increasingly challenging to manage and utilize the vast and dynamic pool of models effectively. We propose LOCUS, a method that produces low-dimensional vector…

Machine Learning · Computer Science 2026-01-30 Shivam Patel , William Cocke , Gauri Joshi

Information extraction from copy-heavy documents, characterized by massive volumes of structurally similar content, represents a critical yet understudied challenge in enterprise document processing. We present a systematic framework that…

Computation and Language · Computer Science 2025-10-14 Zilong Wang , Xiaoyu Shen

Clinical oncology generates vast, unstructured data that often contain inconsistencies, missing information, and ambiguities, making it difficult to extract reliable insights for data-driven decision-making. General-purpose large language…

Computation and Language · Computer Science 2025-03-12 Morteza Rohanian , Tarun Mehra , Nicola Miglino , Farhad Nooralahzadeh , Michael Krauthammer , Andreas Wicki

Image-based table recognition is a challenging task due to the diversity of table styles and the complexity of table structures. Most of the previous methods focus on a non-end-to-end approach which divides the problem into two separate…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Nam Tuan Ly , Atsuhiro Takasu

FEVEROUS is a benchmark and research initiative focused on fact extraction and verification tasks involving unstructured text and structured tabular data. In FEVEROUS, existing works often rely on extensive preprocessing and utilize…

Computation and Language · Computer Science 2024-03-27 Shirin Dabbaghi Varnosfaderani , Canasai Kruengkrai , Ramin Yahyapour , Junichi Yamagishi

Table reasoning, including tabular QA and fact verification, often depends on annotated data or complex data augmentation, limiting flexibility and generalization. LLMs, despite their versatility, often underperform compared to simple…

Artificial Intelligence · Computer Science 2025-11-19 Yiran Rex Ma
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