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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…

数据库 · 计算机科学 2025-06-17 Tetiana Gladkykh , Kyrylo Kirykov

Text-to-SQL aims to translate natural language queries into SQL statements. Existing methods typically follow a pipeline of pre-processing, schema linking, candidate SQL generation, SQL alignment, and target SQL selection. However, these…

数据库 · 计算机科学 2026-03-17 Qin Wang , Youhuan Li , Suixi Lin , Zhuo Tang , Kenli Li , Peng Peng , Quanqing Xu , Chuanhui Yang

Despite the remarkable performance of large language models (LLMs) in text-to-SQL (SQL generation), correctly producing SQL queries remains challenging during initial generation. The SQL refinement task is subsequently introduced to correct…

计算与语言 · 计算机科学 2026-03-05 Zijin Hong , Hao Chen , Zheng Yuan , Qinggang Zhang , Luyao Zhuang , Qing Liao , Feiran Huang , Yangqiu Song , Xiao Huang

Text-to-SQL models, which parse natural language (NL) questions to executable SQL queries, are increasingly adopted in real-world applications. However, deploying such models in the real world often requires adapting them to the highly…

人机交互 · 计算机科学 2025-11-17 Yuan Tian , Daniel Lee , Fei Wu , Tung Mai , Kun Qian , Siddhartha Sahai , Tianyi Zhang , Yunyao Li

In recent years, more people have seen their work depend on data manipulation tasks. However, many of these users do not have the background in programming required to write complex programs, particularly SQL queries. One way of helping…

编程语言 · 计算机科学 2024-02-02 Ricardo Brancas , Miguel Terra-Neves , Miguel Ventura , Vasco Manquinho , Ruben Martins

Most existing studies in text-to-SQL tasks do not require generating complex SQL queries with multiple clauses or sub-queries, and generalizing to new, unseen databases. In this paper we propose SyntaxSQLNet, a syntax tree network to…

计算与语言 · 计算机科学 2018-10-29 Tao Yu , Michihiro Yasunaga , Kai Yang , Rui Zhang , Dongxu Wang , Zifan Li , Dragomir Radev

With the future striving toward data-centric decision-making, seamless access to databases is of utmost importance. There is extensive research on creating an efficient text-to-sql (TEXT2SQL) model to access data from the database. Using a…

计算与语言 · 计算机科学 2022-08-10 Ayush Kumar , Parth Nagarkar , Prabhav Nalhe , Sanjeev Vijayakumar

The availability of parallel texts is crucial to the performance of machine translation models. However, most of the world's languages face the predominant challenge of data scarcity. In this paper, we propose strategies to synthesize…

计算与语言 · 计算机科学 2024-02-06 Md Mahfuz Ibn Alam , Sina Ahmadi , Antonios Anastasopoulos

The text-to-SQL problem aims to translate natural language questions into SQL statements to ease the interaction between database systems and end users. Recently, Large Language Models (LLMs) have exhibited impressive capabilities in a…

数据库 · 计算机科学 2025-04-04 Chen Shen , Jin Wang , Sajjadur Rahman , Eser Kandogan

With Large Language Models' (LLMs) emergent abilities on code generation tasks, Text-to-SQL has become one of the most popular downstream applications. Despite the strong results of multiple recent LLM-based Text-to-SQL frameworks, the…

机器学习 · 计算机科学 2025-09-09 Dazhi Peng

We address the text-to-text generation problem of sentence-level paraphrasing -- a phenomenon distinct from and more difficult than word- or phrase-level paraphrasing. Our approach applies multiple-sequence alignment to sentences gathered…

计算与语言 · 计算机科学 2007-05-23 Regina Barzilay , Lillian Lee

Data analysts use SQL queries to access and manipulate data on their databases. However, these queries are often challenging to write, and small mistakes can lead to unexpected data output. Recent work has explored several ways to…

Converting text into the structured query language (Text2SQL) is a research hotspot in the field of natural language processing (NLP), which has broad application prospects. In the era of big data, the use of databases has penetrated all…

计算与语言 · 计算机科学 2023-05-19 Ran Shen , Gang Sun , Hao Shen , Yiling Li , Liangfeng Jin , Han Jiang

One of the recent best attempts at Text-to-SQL is the pre-trained language model. Due to the structural property of the SQL queries, the seq2seq model takes the responsibility of parsing both the schema items (i.e., tables and columns) and…

计算与语言 · 计算机科学 2023-04-11 Haoyang Li , Jing Zhang , Cuiping Li , Hong Chen

Large Language Models (LLMs) often struggle with the precise logic and schema alignment required for complex Text-to-SQL tasks. While current methods rely heavily on static prompting, they lack the ability to dynamically adapt and…

计算与语言 · 计算机科学 2026-05-12 Haolin Yang , Jipeng Zhang , Zhitao He , Alexander Zhou , Yi R. Fung

Text-to-SQL parsers are crucial in enabling non-experts to effortlessly query relational data. Training such parsers, by contrast, generally requires expertise in annotating natural language (NL) utterances with corresponding SQL queries.…

计算与语言 · 计算机科学 2024-08-05 Tomer Wolfson , Daniel Deutch , Jonathan Berant

The task of converting natural language queries into SQL queries is intricate, necessitating a blend of precise techniques for an accurate translation. The DIN-SQL (Decomposed-In-Context SQL) methodology represents a significant development…

数据库 · 计算机科学 2024-03-05 Shai Volvovsky , Marco Marcassa , Mustafa Panbiharwala

When translating natural language questions into SQL queries to answer questions from a database, contemporary semantic parsing models struggle to generalize to unseen database schemas. The generalization challenge lies in (a) encoding the…

计算与语言 · 计算机科学 2021-08-25 Bailin Wang , Richard Shin , Xiaodong Liu , Oleksandr Polozov , Matthew Richardson

Text-to-SQL tasks have gained attractive improvements since the release of ChatGPT. Among them, agent-based frameworks have been widely used in this field. However, the impact of data-centric strategies on text-to-SQL tasks has rarely been…

计算与语言 · 计算机科学 2025-10-28 Yuanzhen Xie , Liu Ye , Jiqun Chu , Mochi Gao , Hehuan Liu , Yunzhi Tan , Bo Hu , Zang Li

Schema linking -- the process of aligning natural language questions with database schema elements -- is a critical yet underexplored component of Text-to-SQL systems. While recent methods have focused primarily on improving SQL generation,…

计算与语言 · 计算机科学 2026-01-28 Md Mahadi Hasan Nahid , Davood Rafiei , Weiwei Zhang , Yong Zhang