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Recent text-to-SQL systems powered by large language models (LLMs) have demonstrated remarkable performance in translating natural language queries into SQL. However, these systems often struggle with complex database structures and…

Computation and Language · Computer Science 2025-05-22 Haoyuan Ma , Yongliang Shen , Hengwei Liu , Wenqi Zhang , Haolei Xu , Qiuying Peng , Jun Wang , Weiming Lu

The task of generating a database query from a question in natural language suffers from ambiguity and insufficiently precise description of the goal. The problem is amplified when the system needs to generalize to databases unseen at…

Computation and Language · Computer Science 2022-10-14 Anton Osokin , Irina Saparina , Ramil Yarullin

This paper presents the development process of a natural language to SQL model using the T5 model as the basis. The models, developed in August 2022 for an online transaction processing system and a data warehouse, have a 73\% and 84\%…

The Text-to-SQL task translates natural language questions into SQL queries, enabling intuitive database interaction for non-experts. While recent methods leveraging Large Language Models (LLMs) achieve strong performance, their reliance on…

Computation and Language · Computer Science 2026-01-21 Shengmin Piao , Jieun Lee , Sanghyun Park

Calibration is crucial as large language models (LLMs) are increasingly deployed to convert natural language queries into SQL for commercial databases. In this work, we investigate calibration techniques for assigning confidence to…

Databases · Computer Science 2024-11-28 Ashwin Ramachandran , Sunita Sarawagi

Extractive reading comprehension systems can often locate the correct answer to a question in a context document, but they also tend to make unreliable guesses on questions for which the correct answer is not stated in the context. Existing…

Computation and Language · Computer Science 2018-06-12 Pranav Rajpurkar , Robin Jia , Percy Liang

In addressing the pivotal role of translating natural language queries into SQL commands, we propose a suite of compact, fine-tuned models and self-refine mechanisms to democratize data access and analysis for non-expert users, mitigating…

Artificial Intelligence · Computer Science 2024-09-25 Lixia Wu , Peng Li , Junhong Lou , Lei Fu

Inquisitive probing questions come naturally to humans in a variety of settings, but is a challenging task for automatic systems. One natural type of question to ask tries to fill a gap in knowledge during text comprehension, like reading a…

Computation and Language · Computer Science 2020-10-06 Wei-Jen Ko , Te-Yuan Chen , Yiyan Huang , Greg Durrett , Junyi Jessy Li

We present a neural approach called IRNet for complex and cross-domain Text-to-SQL. IRNet aims to address two challenges: 1) the mismatch between intents expressed in natural language (NL) and the implementation details in SQL; 2) the…

Computation and Language · Computer Science 2019-05-30 Jiaqi Guo , Zecheng Zhan , Yan Gao , Yan Xiao , Jian-Guang Lou , Ting Liu , Dongmei Zhang

The rise of Large Language Models (LLMs) has significantly advanced Text-to-SQL (NL2SQL) systems, yet evaluating the semantic equivalence of generated SQL remains a challenge, especially given ambiguous user queries and multiple valid SQL…

Computation and Language · Computer Science 2025-06-12 Qingyun Zeng , Simin Ma , Arash Niknafs , Ashish Basran , Carol Szabo

Text-to-SQL, the task of translating natural language questions into SQL queries, plays a crucial role in enabling non-experts to interact with databases. While recent advancements in large language models (LLMs) have significantly enhanced…

Computation and Language · Computer Science 2025-07-15 Haoyang Li , Shang Wu , Xiaokang Zhang , Xinmei Huang , Jing Zhang , Fuxin Jiang , Shuai Wang , Tieying Zhang , Jianjun Chen , Rui Shi , Hong Chen , Cuiping Li

Understanding semantic relations between two texts is crucial for many information and document management tasks, in which one must determine whether the content fully overlaps, is completely superseded by another document, or overlaps only…

Computation and Language · Computer Science 2025-12-02 Yehudit Aperstein , Alon Gottlib , Gal Benita , Alexander Apartsin

Task oriented Dialogue Systems generally employ intent detection systems in order to map user queries to a set of pre-defined intents. However, user queries appearing in natural language can be easily ambiguous and hence such a direct…

Artificial Intelligence · Computer Science 2024-12-09 Kaustubh D. Dhole

Ambiguity in natural language poses significant challenges to Large Language Models (LLMs) used for open-domain question answering. LLMs often struggle with the inherent uncertainties of human communication, leading to misinterpretations,…

Computation and Language · Computer Science 2024-11-20 Aryan Keluskar , Amrita Bhattacharjee , Huan Liu

The generalizability to new databases is of vital importance to Text-to-SQL systems which aim to parse human utterances into SQL statements. Existing works achieve this goal by leveraging the exact matching method to identify the lexical…

Computation and Language · Computer Science 2022-08-09 Aiwei Liu , Xuming Hu , Li Lin , Lijie Wen

The text-to-SQL task is an active challenge in Natural Language Processing. Many existing solutions focus on using black-box language models extended with specialized components within customized end-to-end text-to-SQL pipelines. While…

Machine Learning · Computer Science 2025-11-17 Alicja Rączkowska , Riccardo Belluzzo , Piotr Zieliński , Joanna Baran , Paweł Olszewski

Recently, context-dependent text-to-SQL semantic parsing which translates natural language into SQL in an interaction process has attracted a lot of attention. Previous works leverage context-dependence information either from interaction…

Databases · Computer Science 2022-04-05 Yanzhao Zheng , Haibin Wang , Baohua Dong , Xingjun Wang , Changshan Li

Despite the remarkable abilities of Large Language Models (LLMs) to answer questions, they often display a considerable level of overconfidence even when the question does not have a definitive answer. To avoid providing hallucinated…

Computation and Language · Computer Science 2024-10-03 Yang Deng , Yong Zhao , Moxin Li , See-Kiong Ng , Tat-Seng Chua

Recently, there has been significant progress in studying neural networks for translating text descriptions into SQL queries under the zero-shot cross-domain setting. Despite achieving good performance on some public benchmarks, we observe…

Computation and Language · Computer Science 2021-09-14 Yujian Gan , Xinyun Chen , Matthew Purver

Querying is one of the basic functionality expected from a database system. Query efficiency is adversely affected by increase in the number of participating tables. Also, querying based on syntax largely limits the gamut of queries a…

Databases · Computer Science 2011-04-08 Gowri Shankar Ramaswamy , F Sagayaraj Francis