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The explosion of big social data has created a scalability trap for traditional qualitative research, as manual coding remains labor-intensive and conventional topic models often suffer from semantic thinning and a lack of domain awareness.…

Computers and Society · Computer Science 2026-04-15 Zhenke Duan , Xin Li

The usefulness of tabular data such as web tables critically depends on understanding their semantics. This study focuses on column type prediction for tables without any meta data. Unlike traditional lexical matching-based methods, we…

Databases · Computer Science 2019-06-04 Jiaoyan Chen , Ernesto Jimenez-Ruiz , Ian Horrocks , Charles Sutton

In open question answering (QA), the answer to a question is produced by retrieving and then analyzing documents that might contain answers to the question. Most open QA systems have considered only retrieving information from unstructured…

Computation and Language · Computer Science 2021-02-11 Wenhu Chen , Ming-Wei Chang , Eva Schlinger , William Wang , William W. Cohen

Text-to-SQL systems provide a natural language interface that can enable even laymen to access information stored in databases. However, existing Large Language Models (LLM) struggle with SQL generation from natural instructions due to…

Computation and Language · Computer Science 2025-11-07 Fahim Ahmed , Md Mubtasim Ahasan , Jahir Sadik Monon , Muntasir Wahed , M Ashraful Amin , A K M Mahbubur Rahman , Amin Ahsan Ali

We propose Cognitive Databases, an approach for transparently enabling Artificial Intelligence (AI) capabilities in relational databases. A novel aspect of our design is to first view the structured data source as meaningful unstructured…

Databases · Computer Science 2017-12-21 Rajesh Bordawekar , Bortik Bandyopadhyay , Oded Shmueli

In the context of the Text-to-SQL task, table and column descriptions are crucial for bridging the gap between natural language and database schema. This report proposes a method for automatically generating effective database descriptions…

Artificial Intelligence · Computer Science 2025-03-03 Yingqi Gao , Zhiling Luo

The Enterprise Intelligence Platform must integrate logs from numerous third-party vendors in order to perform various downstream tasks. However, vendor documentation is often unavailable at test time. It is either misplaced, mismatched,…

Artificial Intelligence · Computer Science 2025-10-17 Wen-Kwang Tsao , Yao-Ching Yu , Chien-Ming Huang

The construction of experimental datasets is essential for expanding the scope of data-driven scientific discovery. Recent advances in natural language processing (NLP) have facilitated automatic extraction of structured data from…

Computation and Language · Computer Science 2025-05-12 Junhyeong Lee , Jong Min Yuk , Chan-Woo Lee

Text-to-SQL (Text2SQL) aims to map natural language questions to executable SQL queries. Although large language models (LLMs) have driven significant progress, current approaches struggle with poor transferability to open-source LLMs,…

Databases · Computer Science 2025-05-23 Shuai Lyu , Haoran Luo , Ripeng Li , Zhonghong Ou , Jiangfeng Sun , Yang Qin , Xiaoran Shang , Meina Song , Yifan Zhu

Text-to-SQL datasets are essential for training and evaluating text-to-SQL models, but existing datasets often suffer from limited coverage and fail to capture the diversity of real-world applications. To address this, we propose a novel…

Computation and Language · Computer Science 2025-11-25 Hao Wang , Yuanfeng Song , Xiaoming Yin , Xing Chen

In the era of autonomous agents, machine-actionable data is critical for data-driven workflows. For more than a decade, semantic metadata like schema.org has anchored the FAIR principles (Findable, Accessible, Interoperable, and Reusable)…

Information Retrieval · Computer Science 2026-05-28 Shiyu Chen , Tarfah Alrashed , Alon Halevy , Natasha Noy

Large language models (LLMs) have revolutionized natural language interfaces for databases, particularly in text-to-SQL conversion. However, current approaches often generate unreliable outputs when faced with ambiguity or insufficient…

Databases · Computer Science 2025-01-22 Kaiwen Chen , Yueting Chen , Xiaohui Yu , Nick Koudas

The rapid spread of misinformation in the digital era poses significant challenges to public discourse, necessitating robust and scalable fact-checking solutions. Traditional human-led fact-checking methods, while credible, struggle with…

Artificial Intelligence · Computer Science 2025-06-24 Tam Trinh , Manh Nguyen , Truong-Son Hy

Relational data stored in RDBMS is foundational to many real-world applications across domains such as e-commerce, finance, and sociality. While deep neural networks (DNNs) have achieved strong performance on tabular data with a single…

Databases · Computer Science 2026-05-15 Lingze Zeng , Shaofeng Cai , Changshuo Liu , Zhongle Xie , Yuncheng Wu , Beng Chin Ooi

Hybrid Question-Answering (HQA), which targets reasoning over tables and passages linked from table cells, has witnessed significant research in recent years. A common challenge in HQA and other passage-table QA datasets is that it is…

Computation and Language · Computer Science 2023-05-25 Jian Wu , Yicheng Xu , Yan Gao , Jian-Guang Lou , Börje F. Karlsson , Manabu Okumura

Table entailment, the binary classification task of finding if a sentence is supported or refuted by the content of a table, requires parsing language and table structure as well as numerical and discrete reasoning. While there is extensive…

Computation and Language · Computer Science 2020-10-06 Julian Martin Eisenschlos , Syrine Krichene , Thomas Müller

Recently, many methods discover effective evidence from reliable sources by appropriate neural networks for explainable claim verification, which has been widely recognized. However, in these methods, the discovery process of evidence is…

Computation and Language · Computer Science 2020-04-29 Lianwei Wu , Yuan Rao , Yongqiang Zhao , Hao Liang , Ambreen Nazir

The advancement of large language models (LLMs) has significantly accelerated the development of search agents capable of autonomously gathering information through multi-turn web interactions. Various benchmarks have been proposed to…

Existing work on tabular representation learning jointly models tables and associated text using self-supervised objective functions derived from pretrained language models such as BERT. While this joint pretraining improves tasks involving…

Computation and Language · Computer Science 2021-05-07 Hiroshi Iida , Dung Thai , Varun Manjunatha , Mohit Iyyer

Recent advances in Text-to-SQL have largely focused on the SQLite dialect, neglecting the diverse landscape of SQL dialects like BigQuery and PostgreSQL. This limitation is due to the diversity in SQL syntaxes and functions, along with the…

Artificial Intelligence · Computer Science 2024-10-04 Mohammadreza Pourreza , Ruoxi Sun , Hailong Li , Lesly Miculicich , Tomas Pfister , Sercan O. Arik