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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

In many use-cases, information is stored in text but not available in structured data. However, extracting data from natural language text to precisely fit a schema, and thus enable querying, is a challenging task. With the rise of…

数据库 · 计算机科学 2023-10-26 Mohammed Saeed , Nicola De Cao , Paolo Papotti

The database systems course is offered as part of an undergraduate computer science degree program in many major universities. A key learning goal of learners taking such a course is to understand how SQL queries are processed in a RDBMS in…

数据库 · 计算机科学 2021-03-04 Weiguo Wang , Sourav S Bhowmick , Hui Li , Shafiq R Joty , Siyuan Liu , Peng Chen

Natural language to SQL (NL2SQL) conversion is an important problem for researchers and enterprises due to the ubiquitous importance of relational databases in broad-ranging practical problems. Despite the rapid advancements in the…

The sequence-to-sequence paradigm employed by neural text-to-SQL models typically performs token-level decoding and does not consider generating SQL hierarchically from a grammar. Grammar-based decoding has shown significant improvements…

计算与语言 · 计算机科学 2019-06-03 Kevin Lin , Ben Bogin , Mark Neumann , Jonathan Berant , Matt Gardner

Tabular question answering (TQA) presents a challenging setting for neural systems by requiring joint reasoning of natural language with large amounts of semi-structured data. Unlike humans who use programmatic tools like filters to…

机器学习 · 计算机科学 2023-03-20 Carlos Gemmell , Jeffrey Dalton

Neural machine translation (NMT) systems aim to map text from one language into another. While there are a wide variety of applications of NMT, one of the most important is translation of natural language. A distinguishing factor of natural…

计算与语言 · 计算机科学 2022-01-04 Vivek Subramanian , Dhanasekar Sundararaman

The Natural Language to SQL (NL2SQL) technique is used to convert natural language queries into executable SQL statements. Typically, slot-filling is employed as a classification method for multi-task cases to achieve this goal. However,…

计算与语言 · 计算机科学 2023-09-19 Chenduo Hao , Xu Zhang

Text-to-SQL is a task that converts a natural language question into a structured query language (SQL) to retrieve information from a database. Large language models (LLMs) work well in natural language generation tasks, but they are not…

计算与语言 · 计算机科学 2023-09-04 Chunxi Guo , Zhiliang Tian , Jintao Tang , Pancheng Wang , Zhihua Wen , Kang Yang , Ting Wang

Chatbots and AI assistants have claimed their importance in today life. The main reason behind adopting this technology is to connect with the user, understand their requirements, and fulfill them. This has been achieved but at the cost of…

计算与语言 · 计算机科学 2021-02-23 Muhammad Hamzah Mushtaq

Large Language Models (LLMs) have spurred progress in text-to-SQL, the task of generating SQL queries from natural language questions based on a given database schema. Despite the declarative nature of SQL, it continues to be a complex…

计算与语言 · 计算机科学 2023-12-25 Ben Eyal , Amir Bachar , Ophir Haroche , Michael Elhadad

We study the task of semantic parse correction with natural language feedback. Given a natural language utterance, most semantic parsing systems pose the problem as one-shot translation where the utterance is mapped to a corresponding…

计算与语言 · 计算机科学 2020-06-03 Ahmed Elgohary , Saghar Hosseini , Ahmed Hassan Awadallah

State-of-the-art semantic parsers rely on auto-regressive decoding, emitting one symbol at a time. When tested against complex databases that are unobserved at training time (zero-shot), the parser often struggles to select the correct set…

计算与语言 · 计算机科学 2019-08-30 Ben Bogin , Matt Gardner , Jonathan Berant

Most of the world's data is stored in relational databases. Accessing these requires specialized knowledge of the Structured Query Language (SQL), putting them out of the reach of many people. A recent research thread in Natural Language…

计算与语言 · 计算机科学 2018-11-05 Bojan Petrovski , Ignacio Aguado , Andreea Hossmann , Michael Baeriswyl , Claudiu Musat

Previous work approaches the SQL-to-text generation task using vanilla Seq2Seq models, which may not fully capture the inherent graph-structured information in SQL query. In this paper, we first introduce a strategy to represent the SQL…

计算与语言 · 计算机科学 2019-02-14 Kun Xu , Lingfei Wu , Zhiguo Wang , Yansong Feng , Vadim Sheinin

Querying structured databases with natural language (NL2SQL) has remained a difficult problem for years. Recently, the advancement of machine learning (ML), natural language processing (NLP), and large language models (LLM) have led to…

人机交互 · 计算机科学 2024-02-13 Zheng Ning , Yuan Tian , Zheng Zhang , Tianyi Zhang , Toby Li

The emergence of natural language processing has revolutionized the way users interact with tabular data, enabling a shift from traditional query languages and manual plotting to more intuitive, language-based interfaces. The rise of large…

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…

计算与语言 · 计算机科学 2025-11-12 Jisoo Jang , Tien-Cuong Bui , Yunjun Choi , Wen-Syan Li

Text-to-SQL semantic parsing faces challenges in generalizing to cross-domain and complex queries. Recent research has employed a question decomposition strategy to enhance the parsing of complex SQL queries. However, this strategy…

计算与语言 · 计算机科学 2023-10-23 Ben Eyal , Amir Bachar , Ophir Haroche , Moran Mahabi , Michael Elhadad

Text-to-SQL semantic parsing has made significant progress in recent years, with various models demonstrating impressive performance on the challenging Spider benchmark. However, it has also been shown that these models often struggle to…

计算与语言 · 计算机科学 2024-02-14 Irina Saparina , Mirella Lapata