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Generating step-by-step "chain-of-thought" rationales has proven effective for improving the performance of large language models on complex reasoning tasks. However, applying such techniques to structured tasks, such as text-to-SQL,…

Computation and Language · Computer Science 2025-02-20 Mingqian He , Yongliang Shen , Wenqi Zhang , Qiuying Peng , Jun Wang , Weiming Lu

Despite the widespread application of Large Language Models (LLMs) across various domains, they frequently exhibit overconfidence when encountering uncertain scenarios, yet existing solutions primarily rely on evasive responses (e.g., "I…

Artificial Intelligence · Computer Science 2025-06-03 Jingyu Liu , Jingquan Peng , xiaopeng Wu , Xubin Li , Tiezheng Ge , Bo Zheng , Yong Liu

Generating structural query language (SQL) queries from natural language is a long-standing open problem. Answering a natural language question about a database table requires modeling complex interactions between the columns of the table…

Computation and Language · Computer Science 2018-06-22 Tong Guo , Huilin Gao

Understanding search queries is a hard problem as it involves dealing with "word salad" text ubiquitously issued by users. However, if a query resembles a well-formed question, a natural language processing pipeline is able to perform more…

Computation and Language · Computer Science 2018-08-29 Manaal Faruqui , Dipanjan Das

We present ReFoRCE, a Text-to-SQL agent that tops the Spider 2.0 leaderboard--a challenging benchmark reflecting complex, real-world Text-to-SQL scenarios. While Text-to-SQL systems enable natural language queries over structured databases,…

Computation and Language · Computer Science 2025-06-05 Minghang Deng , Ashwin Ramachandran , Canwen Xu , Lanxiang Hu , Zhewei Yao , Anupam Datta , Hao Zhang

Electronic medical records (EMR) contain comprehensive patient information and are typically stored in a relational database with multiple tables. Effective and efficient patient information retrieval from EMR data is a challenging task for…

Computation and Language · Computer Science 2020-01-31 Ping Wang , Tian Shi , Chandan K. Reddy

From an inconsistent database non-trivial arguments may be constructed both for a proposition, and for the contrary of that proposition. Therefore, inconsistency in a logical database causes uncertainty about which conclusions to accept.…

Artificial Intelligence · Computer Science 2013-08-12 Morten Elvang-Gøransson , Paul J. Krause , John Fox

Biomedical researchers increasingly rely on large-scale structured databases for complex analytical tasks. However, current text-to-SQL systems often struggle to map qualitative scientific questions into executable SQL, particularly when…

Context-dependent Text-to-SQL aims to translate multi-turn natural language questions into SQL queries. Despite various methods have exploited context-dependence information implicitly for contextual SQL parsing, there are few attempts to…

Computation and Language · Computer Science 2023-05-17 Linzheng Chai , Dongling Xiao , Jian Yang , Liqun Yang , Qian-Wen Zhang , Yunbo Cao , Zhoujun Li , Zhao Yan

The Text-to-SQL task, aiming to translate the natural language of the questions into SQL queries, has drawn much attention recently. One of the most challenging problems of Text-to-SQL is how to generalize the trained model to the unseen…

Computation and Language · Computer Science 2022-01-19 Ruichu Cai , Jinjie Yuan , Boyan Xu , Zhifeng Hao

We study consistent query answering in relational databases. We consider an expressive class of schema constraints that generalizes both tuple-generating dependencies and equality-generating dependencies. We establish the complexity of…

Databases · Computer Science 2022-07-20 Lorenzo Marconi , Riccardo Rosati

Fine-tuning large language models (LLMs) for specific domain tasks has achieved great success in Text-to-SQL tasks. However, these fine-tuned models often face challenges with multi-turn Text-to-SQL tasks caused by ambiguous or unanswerable…

Artificial Intelligence · Computer Science 2024-11-12 Yinggang Sun , Ziming Guo , Haining Yu , Chuanyi Liu , Xiang Li , Bingxuan Wang , Xiangzhan Yu , Tiancheng Zhao

Generating queries corresponding to natural language questions is a long standing problem. Traditional methods lack language flexibility, while newer sequence-to-sequence models require large amount of data. Schema-agnostic…

Machine Learning · Computer Science 2020-12-16 Amol Kelkar , Nachiketa Rajpurohit , Utkarsh Mittal , Peter Relan

Existing text-to-SQL benchmarks have largely been constructed from public databases with well-structured schemas and simplistic question-SQL pairs. While large language models (LLMs) excel on these settings, their efficacy in complex…

Computation and Language · Computer Science 2026-05-14 Peter Baile Chen , Devin Yang , Weiyue Li , Fabian Wenz , Yi Zhang , Nesime Tatbul , Michael Cafarella , Çağatay Demiralp , Michael Stonebraker

A large-scale conversational agent can suffer from understanding user utterances with various ambiguities such as ASR ambiguity, intent ambiguity, and hypothesis ambiguity. When ambiguities are detected, the agent should engage in a…

Computation and Language · Computer Science 2021-09-28 Joo-Kyung Kim , Guoyin Wang , Sungjin Lee , Young-Bum Kim

The existing text-to-SQL systems have made significant progress in SQL query generation, but they still face numerous challenges. Existing systems often lack retrieval capabilities for open-domain databases, requiring users to manually…

Computation and Language · Computer Science 2025-04-15 Keyan Xu , Dingzirui Wang , Xuanliang Zhang , Qingfu Zhu , Wanxiang Che

Recently, Text-to-SQL for multi-turn dialogue has attracted great interest. Here, the user input of the current turn is parsed into the corresponding SQL query of the appropriate database, given all previous dialogue history. Current…

Computation and Language · Computer Science 2021-06-10 Zhi Chen , Lu Chen , Hanqi Li , Ruisheng Cao , Da Ma , Mengyue Wu , Kai Yu

Table-to-text generation, a long-standing challenge in natural language generation, has remained unexplored through the lens of subjectivity. Subjectivity here encompasses the comprehension of information derived from the table that cannot…

Computation and Language · Computer Science 2024-06-18 Tathagata Dey , Pushpak Bhattacharyya

Relational databases often suffer from uninformative descriptors of table contents, such as ambiguous columns and hard-to-interpret values, impacting both human users and text-to-SQL models. In this paper, we explore the use of large…

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…

Computation and Language · Computer Science 2020-04-23 Tong Guo , Huilin Gao