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Given a natural language phrase, relation linking aims to find a relation (predicate or property) from the underlying knowledge graph to match the phrase. It is very useful in many applications, such as natural language question answering,…

Artificial Intelligence · Computer Science 2019-10-25 Weiguo Zheng , Mei Zhang

Translating natural language queries into SQLs in a seq2seq manner has attracted much attention recently. However, compared with abstract-syntactic-tree-based SQL generation, seq2seq semantic parsers face much more challenges, including…

Computation and Language · Computer Science 2023-06-16 Yuntao Li , Zhenpeng Su , Yutian Li , Hanchu Zhang , Sirui Wang , Wei Wu , Yan Zhang

Scene text retrieval aims to localize and search all text instances from an image gallery, which are the same or similar to a given query text. Such a task is usually realized by matching a query text to the recognized words, outputted by…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Hao Wang , Xiang Bai , Mingkun Yang , Shenggao Zhu , Jing Wang , Wenyu Liu

Information retrieval is a rapidly evolving field. However it still faces significant limitations in the scientific and industrial vast amounts of information, such as semantic divergence and vocabulary gaps in sparse retrieval, low…

Information Retrieval · Computer Science 2024-03-15 Loïc Rakotoson , Sylvain Massip , Fréjus A. A. Laleye

The task of multi-turn text-to-SQL semantic parsing aims to translate natural language utterances in an interaction into SQL queries in order to answer them using a database which normally contains multiple table schemas. Previous studies…

Computation and Language · Computer Science 2020-12-10 Run-Ze Wang , Zhen-Hua Ling , Jing-Bo Zhou , Yu Hu

Tables on the Web contain a vast amount of knowledge in a structured form. To tap into this valuable resource, we address the problem of table retrieval: answering an information need with a ranked list of tables. We investigate this…

Information Retrieval · Computer Science 2021-05-14 Shuo Zhang , Krisztian Balog

The importance of building text-to-SQL parsers which can be applied to new databases has long been acknowledged, and a critical step to achieve this goal is schema linking, i.e., properly recognizing mentions of unseen columns or tables…

Computation and Language · Computer Science 2022-08-09 Lihan Wang , Bowen Qin , Binyuan Hui , Bowen Li , Min Yang , Bailin Wang , Binhua Li , Fei Huang , Luo Si , Yongbin Li

While recent advancements in inference-time learning have improved LLM reasoning on Text-to-SQL tasks, current solutions still struggle to perform well on the most challenging tasks in the Bird-Bench (BIRD) benchmark. This is due to…

Computation and Language · Computer Science 2026-05-11 James Petullo , Nianwen Xue

Large language models (LLMs) allow users to query databases using natural language by translating questions into executable queries. Despite strong progress on tasks such as Text2SQL, Text2SPARQL, and Text2Cypher, most existing methods…

Computation and Language · Computer Science 2026-05-12 Makbule Gulcin Ozsoy

In this paper, we propose a novel SQL guided pre-training framework STAR for context-dependent text-to-SQL parsing, which leverages contextual information to enrich natural language (NL) utterance and table schema representations for…

Computation and Language · Computer Science 2022-10-31 Zefeng Cai , Xiangyu Li , Binyuan Hui , Min Yang , Bowen Li , Binhua Li , Zheng Cao , Weijie Li , Fei Huang , Luo Si , Yongbin Li

The text-to-SQL problem aims to translate natural language questions into SQL statements to ease the interaction between database systems and end users. Recently, Large Language Models (LLMs) have exhibited impressive capabilities in a…

Databases · Computer Science 2025-04-04 Chen Shen , Jin Wang , Sajjadur Rahman , Eser Kandogan

This work reframes the Text-to-SQL task as a pathway for teaching large language models (LLMs) to reason over and manipulate tabular data--moving beyond the traditional focus on query generation. We propose a two-stage framework that…

Computation and Language · Computer Science 2025-05-05 Josefa Lia Stoisser , Marc Boubnovski Martell , Julien Fauqueur

We propose STRuCT-LLM, a unified framework for training large language models (LLMs) to perform structured reasoning over both relational and graph-structured data. Our approach jointly optimizes Text-to-SQL and Text-to-Cypher tasks using…

Computation and Language · Computer Science 2025-06-30 Josefa Lia Stoisser , Marc Boubnovski Martell , Lawrence Phillips , Casper Hansen , Julien Fauqueur

Sequence-to-Sequence (seq2seq) modeling has rapidly become an important general-purpose NLP tool that has proven effective for many text-generation and sequence-labeling tasks. Seq2seq builds on deep neural language modeling and inherits…

Computation and Language · Computer Science 2016-11-11 Sam Wiseman , Alexander M. Rush

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…

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…

Databases · Computer Science 2025-10-13 Suming Qiu , Jing Li , Zhicheng Zhou , Junjie Huang , Linyuan Qiu , Zhijie Sun

Recent divide-and-conquer reasoning approaches, particularly those based on Chain-of-Thought (CoT), have substantially improved the Text-to-SQL capabilities of Large Language Models (LLMs). However, when applied to complex enterprise…

Computation and Language · Computer Science 2025-11-27 Zhifeng Hao , Qibin Song , Ruichu Cai , Boyan Xu

Text-to-SQL generation bridges the gap between natural language and databases, enabling users to query data without requiring SQL expertise. While large language models (LLMs) have significantly advanced the field, challenges remain in…

Machine Learning · Computer Science 2025-12-18 Ganesh Parab , Zishan Ahmad , Dagnachew Birru

In tackling the challenges of large language model (LLM) performance for Text-to-SQL tasks, we introduce CHASE-SQL, a new framework that employs innovative strategies, using test-time compute in multi-agent modeling to improve candidate…

In Text-to-SQL, execution feedback is essential for guiding large language models (LLMs) to reason accurately and generate reliable SQL queries. However, existing methods treat execution feedback solely as a post-hoc signal for correction…

Computation and Language · Computer Science 2025-05-21 Yaxun Dai , Wenxuan Xie , Xialie Zhuang , Tianyu Yang , Yiying Yang , Haiqin Yang , Yuhang Zhao , Pingfu Chao , Wenhao Jiang