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相关论文: Sato: Contextual Semantic Type Detection in Tables

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Topic modeling is a powerful technique to discover hidden topics and patterns within a collection of documents without prior knowledge. Traditional topic modeling and clustering-based techniques encounter challenges in capturing contextual…

计算与语言 · 计算机科学 2024-10-04 Melkamu Abay Mersha , Mesay Gemeda yigezu , Jugal Kalita

Pretrained contextualized language models such as BERT have achieved impressive results on various natural language processing benchmarks. Benefiting from multiple pretraining tasks and large scale training corpora, pretrained models can…

信息检索 · 计算机科学 2020-05-28 Zhiyu Chen , Mohamed Trabelsi , Jeff Heflin , Yinan Xu , Brian D. Davison

This study addresses the challenge of automatically detecting semantic column types in relational tables, a key task in many real-world applications. Zero-shot modeling eliminates the need for user-provided labeled training data, making it…

机器学习 · 计算机科学 2026-03-13 Ehsan Hoseinzade , Ke Wang

Information extraction from semi-structured webpages provides valuable long-tailed facts for augmenting knowledge graph. Relational Web tables are a critical component containing additional entities and attributes of rich and diverse…

信息检索 · 计算机科学 2021-02-19 Daheng Wang , Prashant Shiralkar , Colin Lockard , Binxuan Huang , Xin Luna Dong , Meng Jiang

Tables provide valuable knowledge that can be used to verify textual statements. While a number of works have considered table-based fact verification, direct alignments of tabular data with tokens in textual statements are rarely…

计算与语言 · 计算机科学 2021-09-10 Fei Wang , Kexuan Sun , Jay Pujara , Pedro Szekely , Muhao Chen

Tabular data underpins numerous high-impact applications of machine learning from fraud detection to genomics and healthcare. Classical approaches to solving tabular problems, such as gradient boosting and random forests, are widely used by…

机器学习 · 计算机科学 2021-06-03 Gowthami Somepalli , Micah Goldblum , Avi Schwarzschild , C. Bayan Bruss , Tom Goldstein

Tabular data in digital documents is widely used to express compact and important information for readers. However, it is challenging to parse tables from unstructured digital documents, such as PDFs and images, into machine-readable format…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Bin Xiao , Murat Simsek , Burak Kantarci , Ala Abu Alkheir

Machine learning applications cover a wide range of predictive tasks in which tabular datasets play a significant role. However, although they often address similar problems, tabular datasets are typically treated as standalone tasks. The…

机器学习 · 计算机科学 2023-06-21 Katarzyna Woźnica , Piotr Wilczyński , Przemysław Biecek

We present Ditto, a novel entity matching system based on pre-trained Transformer-based language models. We fine-tune and cast EM as a sequence-pair classification problem to leverage such models with a simple architecture. Our experiments…

数据库 · 计算机科学 2020-09-04 Yuliang Li , Jinfeng Li , Yoshihiko Suhara , AnHai Doan , Wang-Chiew Tan

Automatically annotating column types with knowledge base (KB) concepts is a critical task to gain a basic understanding of web tables. Current methods rely on either table metadata like column name or entity correspondences of cells in the…

计算与语言 · 计算机科学 2018-11-15 Jiaoyan Chen , Ernesto Jimenez-Ruiz , Ian Horrocks , Charles Sutton

Recent achievements in language models have showcased their extraordinary capabilities in bridging visual information with semantic language understanding. This leads us to a novel question: can language models connect textual semantics…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Yunjiao Zhou , Jianfei Yang , Han Zou , Lihua Xie

The large size and fast growth of data repositories, such as data lakes, has spurred the need for data discovery to help analysts find related data. The problem has become challenging as (i) a user typically does not know what datasets…

数据库 · 计算机科学 2023-01-16 Tianji Cong , Fatemeh Nargesian , H. V. Jagadish

Table structure recognition is necessary for a comprehensive understanding of documents. Tables in unstructured business documents are tough to parse due to the high diversity of layouts, varying alignments of contents, and the presence of…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Sachin Raja , Ajoy Mondal , C V Jawahar

Attribute-based recognition models, due to their impressive performance and their ability to generalize well on novel categories, have been widely adopted for many computer vision applications. However, usually both the attribute vocabulary…

计算机视觉与模式识别 · 计算机科学 2017-04-13 Ziad Al-Halah , Rainer Stiefelhagen

Pretrained deep-learning models are the go-to solution for images or text. However, for tabular data the standard is still to train tree-based models. Indeed, transfer learning on tables hits the challenge of data integration: finding…

机器学习 · 计算机科学 2024-06-03 Myung Jun Kim , Léo Grinsztajn , Gaël Varoquaux

Joinable Column Discovery is a critical challenge in automating enterprise data analysis. While existing approaches focus on syntactic overlap and semantic similarity, there remains limited understanding of which methods perform best for…

Change detection is the study of detecting changes between two different images of a scene taken at different times. By the detected change areas, however, a human cannot understand how different the two images. Therefore, a semantic…

计算机视觉与模式识别 · 计算机科学 2017-03-17 Teppei Suzuki , Soma Shirakabe , Yudai Miyashita , Akio Nakamura , Yutaka Satoh , Hirokatsu Kataoka

The reliance on data-driven decision-making across sectors highlights the critical need for high-quality data; despite advancements, data quality issues persist, significantly impacting business strategies and scientific research. Current…

数据库 · 计算机科学 2024-10-22 Marcelo Valentim Silva , Hannes Herrmann , Valerie Maxville

Table foundation models bring high hopes to data science: pre-trained on tabular data to embark knowledge or priors, they should facilitate downstream tasks on tables. One specific challenge is that of data semantics: numerical entries take…

机器学习 · 计算机科学 2025-07-01 Myung Jun Kim , Félix Lefebvre , Gaëtan Brison , Alexandre Perez-Lebel , Gaël Varoquaux

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