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相关论文: The Death of Schema Linking? Text-to-SQL in the Ag…

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Text-to-SQL systems translate natural language questions into executable SQL queries, and recent progress with large language models (LLMs) has driven substantial improvements in this task. Schema linking remains a critical component in…

计算与语言 · 计算机科学 2025-05-27 AmirHossein Safdarian , Milad Mohammadi , Ehsan Jahanbakhsh , Mona Shahamat Naderi , Heshaam Faili

Text-to-SQL is emerging as a practical interface for real world databases. The dominant paradigm for Text-to-SQL is cross-database or schema-independent, supporting application schemas unseen during training. The schema of a database…

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

In sophisticated existing Text-to-SQL methods exhibit errors in various proportions, including schema-linking errors (incorrect columns, tables, or extra columns), join errors, nested errors, and group-by errors. Consequently, there is a…

数据库 · 计算机科学 2024-05-17 Sun Yang , Qiong Su , Zhishuai Li , Ziyue Li , Hangyu Mao , Chenxi Liu , Rui Zhao

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

Schema linking is a critical bottleneck in applying existing Text-to-SQL models to real-world, large-scale, multi-database environments. Through error analysis, we identify two major challenges in schema linking: (1) Database Retrieval:…

计算与语言 · 计算机科学 2025-09-09 Yihan Wang , Peiyu Liu , Xin Yang

Text-to-SQL generation aims to translate natural language questions into SQL statements. In Text-to-SQL based on large language models, schema linking is a widely adopted strategy to streamline the input for LLMs by selecting only relevant…

计算与语言 · 计算机科学 2024-11-27 Zhenbiao Cao , Yuanlei Zheng , Zhihao Fan , Xiaojin Zhang , Wei Chen , Xiang Bai

Text-to-SQL is a crucial task toward developing methods for understanding natural language by computers. Recent neural approaches deliver excellent performance; however, models that are difficult to interpret inhibit future developments.…

计算与语言 · 计算机科学 2021-02-04 Yasufumi Taniguchi , Hiroki Nakayama , Kubo Takahiro , Jun Suzuki

Large Language Models (LLMs) have shown useful applications in a variety of tasks, including data wrangling. In this paper, we investigate the use of an off-the-shelf LLM for schema matching. Our objective is to identify semantic…

数据库 · 计算机科学 2024-07-17 Marcel Parciak , Brecht Vandevoort , Frank Neven , Liesbet M. Peeters , Stijn Vansummeren

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…

数据库 · 计算机科学 2025-01-22 Kaiwen Chen , Yueting Chen , Xiaohui Yu , Nick Koudas

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…

计算与语言 · 计算机科学 2025-01-29 Hasan Alp Caferoğlu , Özgür Ulusoy

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

Text-to-SQL, which translates a natural language question into an SQL query, has advanced with in-context learning of Large Language Models (LLMs). However, existing methods show little improvement in performance compared to randomly chosen…

人工智能 · 计算机科学 2025-07-23 Jihyung Lee , Jin-Seop Lee , Jaehoon Lee , YunSeok Choi , Jee-Hyong Lee

It is challenging to convert natural language (NL) questions into executable structured query language (SQL) queries for text-to-SQL tasks due to the vast number of database schemas with redundancy, which interferes with semantic learning,…

数据库 · 计算机科学 2025-02-11 Zhuopan Yang , Yuanzhen Xie , Ruichao Zhong , Yunzhi Tan , Enjie Liu , Zhenguo Yang , Mochi Gao , Bo Hu , Zang Li

Schema linking is a critical step in Text-to-SQL task, aiming to accurately predict the table names and column names required for the SQL query based on the given question. However, current fine-tuning approaches for schema linking models…

人工智能 · 计算机科学 2025-06-16 Wuzhenghong Wen , Su Pan , yuwei Sun

For industrial-scale text-to-SQL, supplying the entire database schema to Large Language Models (LLMs) is impractical due to context window limits and irrelevant noise. Schema linking, which filters the schema to a relevant subset, is…

计算与语言 · 计算机科学 2025-11-24 Ziyang Wang , Yuanlei Zheng , Zhenbiao Cao , Xiaojin Zhang , Zhongyu Wei , Pei Fu , Zhenbo Luo , Wei Chen , Xiang Bai

Most modern Text2SQL systems prompt large language models (LLMs) with entire schemas -- mostly column information -- alongside the user's question. While effective on small databases, this approach fails on real-world schemas that exceed…

数据库 · 计算机科学 2025-12-19 Thanh Dat Hoang , Thanh Tam Nguyen , Thanh Trung Huynh , Hongzhi Yin , Quoc Viet Hung Nguyen

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…

Text-to-SQL prompt strategies based on Large Language Models (LLMs) achieve remarkable performance on well-known benchmarks. However, when applied to real-world databases, their performance is significantly less than for these benchmarks,…

Text-to-SQL is a subtask in semantic parsing that has seen rapid progress with the evolution of Large Language Models (LLMs). However, LLMs face challenges due to hallucination issues and a lack of domain-specific database knowledge(such as…

计算与语言 · 计算机科学 2025-02-26 Xingyu Ma , Xin Tian , Lingxiang Wu , Xuepeng Wang , Xueming Tang , Jinqiao Wang
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