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Natural-language-to-SQL (NL-to-SQL) systems hold promise for democratizing access to structured data, allowing users to query databases without learning SQL. Yet existing systems struggle with realistic spatio-temporal queries, where…

Artificial Intelligence · Computer Science 2025-10-31 Manu Redd , Tao Zhe , Dongjie Wang

Contemporary database systems, while effective, suffer severe issues related to complexity and usability, especially among individuals who lack technical expertise but are unfamiliar with query languages like Structured Query Language…

Databases · Computer Science 2025-07-25 M. Tedeschi , S. Rizwan , C. Shringi , V. Devram Chandgir , S. Belich

Text-to-SQL bridges the gap between natural language and structured database language, thus allowing non-technical users to easily query databases. Traditional approaches model text-to-SQL as a direct translation task, where a given Natural…

Machine Learning · Computer Science 2025-08-12 Anurag Tripathi , Vaibhav Patle , Abhinav Jain , Ayush Pundir , Sairam Menon , Ajeet Kumar Singh , Dorien Herremans

A natural language database interface (NLDB) can democratize data-driven insights for non-technical users. However, existing Text-to-SQL semantic parsers cannot achieve high enough accuracy in the cross-database setting to allow good…

Computation and Language · Computer Science 2021-06-09 Peng Xu , Wenjie Zi , Hamidreza Shahidi , Ákos Kádár , Keyi Tang , Wei Yang , Jawad Ateeq , Harsh Barot , Meidan Alon , Yanshuai Cao

Text-to-SQL systems enable users to query databases using natural language, democratizing access to data analytics. However, they face challenges in understanding ambiguous phrasing, domain-specific vocabulary, and complex schema…

Databases · Computer Science 2025-06-17 Tetiana Gladkykh , Kyrylo Kirykov

Schema design, particularly normalization, is a critical yet often overlooked factor in natural language to SQL (NL2SQL) systems. Most prior research evaluates models on fixed schemas, overlooking the influence of design on performance. We…

Computation and Language · Computer Science 2025-10-03 Ryosuke Kohita

This paper describes DBPal, a new system to translate natural language utterances into SQL statements using a neural machine translation model. While other recent approaches use neural machine translation to implement a Natural Language…

Natural Language to SQL (NL2SQL) technology empowers non-expert users to query relational databases without requiring SQL expertise. While large language models (LLMs) have greatly improved NL2SQL algorithms, their rapid development…

Databases · Computer Science 2026-04-21 Shizheng Hou , Wenqi Pei , Nuo Chen , Quang-Trung Ta , Peng Lu , Beng Chin Ooi

As the use of technology increases and data analysis becomes integral in many businesses, the ability to quickly access and interpret data has become more important than ever. Information retrieval technologies are being utilized by…

Computation and Language · Computer Science 2018-07-03 Aliaksei Vertsel , Mikhail Rumiantsau

Text-to-SQL systems translate natural language (NL) questions into SQL queries, enabling non-technical users to interact with structured data. While large language models (LLMs) have shown promising results on the text-to-SQL task, they…

Computation and Language · Computer Science 2025-06-06 Yue Gong , Chuan Lei , Xiao Qin , Kapil Vaidya , Balakrishnan Narayanaswamy , Tim Kraska

This paper introduces an Error Correction through Prompt Tuning for NL-to-SQL, leveraging the latest advancements in generative pre-training-based LLMs and RAG. Our work addresses the crucial need for efficient and accurate translation of…

Computation and Language · Computer Science 2025-11-12 Jisoo Jang , Tien-Cuong Bui , Yunjun Choi , Wen-Syan Li

Natural Language to SQL (NL2SQL) enables intuitive interactions with databases by transforming natural language queries into structured SQL statements. Despite recent advancements in enhancing human-computer interaction within database…

Databases · Computer Science 2025-10-10 Peixian Ma , Xialie Zhuang , Chengjin Xu , Xuhui Jiang , Ran Chen , Jian Guo

Generating accurate SQL from users' natural language questions (text-to-SQL) remains a long-standing challenge due to the complexities involved in user question understanding, database schema comprehension, and SQL generation. Traditional…

Computation and Language · Computer Science 2025-11-25 Zijin Hong , Zheng Yuan , Qinggang Zhang , Hao Chen , Junnan Dong , Feiran Huang , Xiao Huang

Translating natural language queries (NLQ) into structured query language (SQL) in interfaces to relational databases is a challenging task that has been widely studied by researchers from both the database and natural language processing…

Databases · Computer Science 2022-10-11 Arif Usta , Akifhan Karakayali , Özgür Ulusoy

NL2SQL systems aim to address the growing need for natural language interaction with data. However, real-world information rarely maps to a single SQL query because (1) users express queries iteratively (2) questions often span multiple…

Natural Language to SQL (i.e., NL2SQL) translation is crucial for democratizing database access, but even state-of-the-art models frequently generate semantically incorrect SQL queries, hindering the widespread adoption of these techniques…

Databases · Computer Science 2025-12-08 Xinyu Liu , Shuyu Shen , Boyan Li , Nan Tang , Yuyu Luo

Natural language interfaces to databases (NLIDB) democratize end user access to relational data. Due to fundamental differences between natural language communication and programming, it is common for end users to issue questions that are…

Computation and Language · Computer Science 2020-08-04 Jichuan Zeng , Xi Victoria Lin , Caiming Xiong , Richard Socher , Michael R. Lyu , Irwin King , Steven C. H. Hoi

Translating Natural Language Queries into Structured Query Language (Text-to-SQL or NLQ-to-SQL) is a critical task extensively studied by both the natural language processing and database communities, aimed at providing a natural language…

Computation and Language · Computer Science 2025-01-29 Hasan Alp Caferoğlu , Özgür Ulusoy

One of the developers' biggest challenges in low-code platforms is retrieving data from a database using SQL queries. Here, we propose a pipeline allowing developers to write natural language (NL) to retrieve data. In this study, we…

Handling ambiguity and underspecification is an important challenge in natural language interfaces, particularly for tasks like text-to-SQL semantic parsing. We propose a modular approach that resolves ambiguity using natural language…

Computation and Language · Computer Science 2025-07-15 Irina Saparina , Mirella Lapata