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Reliable data quality is crucial for downstream analysis of tabular datasets, yet rule-based validation often struggles with inefficiency, human intervention, and high computational costs. We present a three-stage framework that combines…

Software Engineering · Computer Science 2025-09-23 Ashlesha Akella , Akshar Kaul , Krishnasuri Narayanam , Sameep Mehta

High-quality, error-free datasets are a key ingredient in building reliable, accurate, and unbiased machine learning (ML) models. However, real world datasets often suffer from errors due to sensor malfunctions, data entry mistakes, or…

Machine Learning · Computer Science 2025-03-11 Tommaso Bendinelli , Artur Dox , Christian Holz

Large Language Models (LLMs), while being increasingly dominant on a myriad of knowledge-intensive activities, have only had limited success understanding lengthy table-text mixtures, such as academic papers and financial reports. Recent…

Computation and Language · Computer Science 2024-12-16 Yikang Pan , Yi Zhu , Rand Xie , Yizhi Liu

Data intensive research requires the support of appropriate datasets. However, it is often time-consuming to discover usable datasets matching a specific research topic. We formulate the dataset discovery problem on an attributed…

Information Retrieval · Computer Science 2021-06-08 Basmah Altaf , Shichao Pei , Xiangliang Zhang

The proliferation of datasets across open data portals and enterprise data lakes presents an opportunity for deriving data-driven insights. Widely-used dataset search systems rely on keyword search over dataset metadata, including…

Databases · Computer Science 2025-12-19 Haoxiang Zhang , Yurong Liu , Aécio Santos , Wei-Lun Hung , Juliana Freire

The rapid growth of tabular datasets in data lakes, data spaces, and open data portals makes effective dataset search essential for reuse and analysis. Existing search systems rely mainly on metadata, which is often incomplete or low…

Information Retrieval · Computer Science 2026-05-19 Riccardo Terrenzi , Matteo Falconi , Serkan Ayvaz , Pierluigi Plebani

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…

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

With the growing abundance of repositories containing tabular data, discovering relevant tables for in-depth analysis remains a challenging task. Existing table discovery methods primarily retrieve desired tables based on a query table or…

Information Retrieval · Computer Science 2025-04-23 Lingxi Cui , Huan Li , Ke Chen , Lidan Shou , Gang Chen

Large collections of tabular data from data lakes, web tables and open data portals often originate from heterogeneous sources, leading to representational inconsistencies. Understanding and organizing such repositories therefore remains a…

Databases · Computer Science 2026-05-27 Zhenyu Wu , Jiaoyan Chen , Norman W. Paton

Large collections of tabular data from data lakes, web tables and open data portals often originate from heterogeneous sources, leading to representational inconsistencies. Understanding and organizing such repositories therefore remains a…

Databases · Computer Science 2026-05-27 Zhenyu Wu , Jiaoyan Chen , Norman W. Paton

Tabular data is prevalent across various industries, necessitating significant time and effort for users to understand and manipulate for their information-seeking purposes. The advancements in large language models (LLMs) have shown…

Computation and Language · Computer Science 2023-11-01 Yilun Zhao , Haowei Zhang , Shengyun Si , Linyong Nan , Xiangru Tang , Arman Cohan

Table Structure Recognition (TSR) requires the logical reasoning ability of large language models (LLMs) to handle complex table layouts, but current datasets are limited in scale and quality, hindering effective use of this reasoning…

Databases · Computer Science 2026-04-16 Ruilin Zhang , Kai Yang

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…

Databases · Computer Science 2023-01-16 Tianji Cong , Fatemeh Nargesian , H. V. Jagadish

While most generative models show achievements in image data generation, few are developed for tabular data generation. Recently, due to success of large language models (LLM) in diverse tasks, they have also been used for tabular data…

Machine Learning · Computer Science 2024-10-30 Dang Nguyen , Sunil Gupta , Kien Do , Thin Nguyen , Svetha Venkatesh

Though large language models (LLMs) have demonstrated exceptional performance across numerous problems, their application to predictive tasks in relational databases remains largely unexplored. In this work, we address the notion that LLMs…

Machine Learning · Computer Science 2024-11-19 Marek Wydmuch , Łukasz Borchmann , Filip Graliński

Extracting structured information from text, such as key-value pairs that could augment tabular data, is quite useful in many enterprise use cases. Although large language models (LLMs) have enabled numerous automated pipelines for…

Computation and Language · Computer Science 2025-07-30 Satyananda Kashyap , Sola Shirai , Nandana Mihindukulasooriya , Horst Samulowitz

Given the remarkable performance of Large Language Models (LLMs), an important question arises: Can LLMs conduct human-like scientific research and discover new knowledge, and act as an AI scientist? Scientific discovery is an iterative…

Machine Learning · Computer Science 2025-02-24 Tingting Chen , Srinivas Anumasa , Beibei Lin , Vedant Shah , Anirudh Goyal , Dianbo Liu

Current approaches to data discovery match keywords between metadata and queries. This matching requires researchers to know the exact wording that other researchers previously used, creating a challenging process that could lead to missing…

Human-Computer Interaction · Computer Science 2025-10-03 Maura E Halstead , Mark A. Green , Caroline Jay , Richard Kingston , David Topping , Alexander Singleton

In the era of data-driven decision-making, accurate table-level representations and efficient table recommendation systems are becoming increasingly crucial for improving table management, discovery, and analysis. However, existing…

Machine Learning · Computer Science 2024-11-07 Dayu Yang , Natawut Monaikul , Amanda Ding , Bozhao Tan , Kishore Mosaliganti , Giri Iyengar