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LLMs enable an exciting new class of data processing applications over large collections of unstructured documents. Several new programming frameworks have enabled developers to build these applications by composing them out of semantic…

Conventional text-to-SQL parsers are not good at synthesizing complex SQL queries that involve multiple tables or columns, due to the challenges inherent in identifying the correct schema items and performing accurate alignment between…

计算与语言 · 计算机科学 2024-03-18 Yangjun Wu , Han Wang

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…

Dialect translation plays a key role in enabling seamless interaction across heterogeneous database systems. However, translating SQL queries between different dialects (e.g., from PostgreSQL to MySQL) remains a challenging task due to…

数据库 · 计算机科学 2025-04-02 Wei Zhou , Yuyang Gao , Xuanhe Zhou , Guoliang Li

Recent years have seen great success in the use of neural seq2seq models on the text-to-SQL task. However, little work has paid attention to how these models generalize to realistic unseen data, which naturally raises a question: does this…

计算与语言 · 计算机科学 2019-08-30 Shuaichen Chang , Pengfei Liu , Yun Tang , Jing Huang , Xiaodong He , Bowen Zhou

We focus on the cross-domain context-dependent text-to-SQL generation task. Based on the observation that adjacent natural language questions are often linguistically dependent and their corresponding SQL queries tend to overlap, we utilize…

计算与语言 · 计算机科学 2019-09-11 Rui Zhang , Tao Yu , He Yang Er , Sungrok Shim , Eric Xue , Xi Victoria Lin , Tianze Shi , Caiming Xiong , Richard Socher , Dragomir Radev

We present a simple methods to leverage the table content for the BERT-based model to solve the text-to-SQL problem. Based on the observation that some of the table content match some words in question string and some of the table header…

计算与语言 · 计算机科学 2020-04-23 Tong Guo , Huilin Gao

In recent years, the surge in unstructured data analysis, facilitated by advancements in Machine Learning (ML), has prompted diverse approaches for handling images, text documents, and videos. Analysts, leveraging ML models, can extract…

数据库 · 计算机科学 2024-04-08 Akash Mittal , Anshul Bheemreddy , Huili Tao

Extracting insights from Electronic Health Record (EHR) databases often requires SQL expertise, creating a barrier for clinical decision-making and research. A promising approach is to use Large Language Models (LLMs) to translate natural…

信息检索 · 计算机科学 2026-04-21 Hung Nguyen , Hans Moen , Pekka Marttinen

Recent advancements in large language models (LLMs) have significantly improved performance on the Text-to-SQL task. However, prior approaches typically rely on static, pre-processed database information provided at inference time, which…

计算与语言 · 计算机科学 2025-06-23 Wenxuan Xie , Yaxun Dai , Wenhao Jiang

The text-to-SQL task aims to convert natural language into Structured Query Language (SQL) without bias. Recently, text-to-SQL methods based on large language models (LLMs) have garnered significant attention. The core of mainstream…

数据库 · 计算机科学 2025-02-25 Zeshun You , Jiebin Yao , Dong Cheng , Zhiwei Wen , Zhiliang Lu , Xianyi Shen

We present HES-SQL, a novel hybrid training framework that advances Text-to-SQL generation through the integration of thinking-mode-fused supervised fine-tuning (SFT) with Group Relative Policy Optimization (GRPO). Our approach introduces…

数据库 · 计算机科学 2025-10-13 Suming Qiu , Jing Li , Zhicheng Zhou , Junjie Huang , Linyuan Qiu , Zhijie Sun

NL2SQL (natural language to SQL) translates natural language questions into SQL queries, thereby making structured data accessible to non-technical users, serving as the foundation for intelligent data applications. State-of-the-art NL2SQL…

Text-to-SQL systems (also known as NL-to-SQL systems) have become an increasingly popular solution for bridging the gap between user capabilities and SQL-based data access. These systems translate user requests in natural language to valid…

数据库 · 计算机科学 2024-12-02 Jonathan Fürst , Catherine Kosten , Farhad Nooralahzadeh , Yi Zhang , Kurt Stockinger

Text-to-SQL is a fundamental yet challenging task in the NLP area, aiming at translating natural language questions into SQL queries. While recent advances in large language models have greatly improved performance, most existing approaches…

数据库 · 计算机科学 2025-12-01 Shuozhi Yuan , Limin Chen , Miaomiao Yuan , Zhao Jin

Language models have shown promising performance on the task of translating natural language questions into SQL queries (Text-to-SQL). However, most of the state-of-the-art (SOTA) approaches rely on powerful yet closed-source large language…

计算与语言 · 计算机科学 2024-02-27 Haoyang Li , Jing Zhang , Hanbing Liu , Ju Fan , Xiaokang Zhang , Jun Zhu , Renjie Wei , Hongyan Pan , Cuiping Li , Hong Chen

To elevate the foundational capabilities and generalization prowess of the text-to-SQL model in real-world applications, we integrate model interpretability analysis with execution-guided strategy for semantic parsing of WHERE clauses in…

人工智能 · 计算机科学 2025-08-20 Cong Zhang

A significant amount of the world's knowledge is stored in relational databases. However, the ability for users to retrieve facts from a database is limited due to a lack of understanding of query languages such as SQL. We propose Seq2SQL,…

计算与语言 · 计算机科学 2017-11-13 Victor Zhong , Caiming Xiong , Richard Socher

In data lakes, information on the same subject is often fragmented across multiple tables. Table union search aims to find the top-k tables that can be unioned with a query table to extend it with more rows, without relying on metadata or…

数据库 · 计算机科学 2026-03-19 Yongkang Sun , Zhihao Ding , Huiqiang Wang , Reynold Cheng , Jieming Shi

Exploring the generalization of a text-to-SQL parser is essential for a system to automatically adapt the real-world databases. Previous works provided investigations focusing on lexical diversity, including the influence of the synonym and…

人工智能 · 计算机科学 2023-01-24 Jieyu Li , Lu Chen , Ruisheng Cao , Su Zhu , Hongshen Xu , Zhi Chen , Hanchong Zhang , Kai Yu