English
Related papers

Related papers: Sema: A High-performance System for LLM-based Sema…

200 papers

Recent advances in large language models (LLMs) have propelled research in natural language interfaces to databases. However, most state-of-the-art text-to-SQL systems still depend on complex, multi-stage pipelines. This work proposes a…

Artificial Intelligence · Computer Science 2025-06-03 Fernando Granado , Roberto Lotufo , Jayr Pereira

The natural language to SQL (NL2SQL) task plays a pivotal role in democratizing data access by enabling non-expert users to interact with relational databases through intuitive language. While recent frameworks have enhanced translation…

Computation and Language · Computer Science 2026-03-20 David Onyango , Naseef Mansoor

Most recently, researchers have started building large language models (LLMs) powered data systems that allow users to analyze unstructured text documents like working with a database because LLMs are very effective in extracting attributes…

Databases · Computer Science 2025-07-14 Zhaoze Sun , Qiyan Deng , Chengliang Chai , Kaisen Jin , Xinyu Guo , Han Han , Ye Yuan , Guoren Wang , Lei Cao

This research investigates the application of Large Language Models (LLMs) to augment conversational agents in process mining, aiming to tackle its inherent complexity and diverse skill requirements. While LLM advancements present novel…

Artificial Intelligence · Computer Science 2023-07-20 Urszula Jessen , Michal Sroka , Dirk Fahland

The emergence of large-language models (LLMs) has enabled a new class of semantic data processing systems (SDPSs) to support declarative queries against unstructured documents. Existing SDPSs are, however, lacking a unified algebraic…

Databases · Computer Science 2025-09-03 Changjae Lee , Zhuoyue Zhao , Jinjun Xiong

Translating natural language questions into SQL has become a core challenge in enabling non-technical users to query databases. While recent work has explored large-scale synthetic data generation to improve model performance through…

Artificial Intelligence · Computer Science 2025-10-01 Hasan Alp Caferoğlu , Mehmet Serhat Çelik , Özgür Ulusoy

Recent advancements in large language models (LLMs) have significantly improved performance on the Text-to-SQL task. However, prior approaches typically rely on static, pre-processed database information provided at inference time, which…

Computation and Language · Computer Science 2025-06-23 Wenxuan Xie , Yaxun Dai , Wenhao Jiang

The ability to generate SQL queries from natural language has significant implications for making data accessible to non-specialists. This paper presents a novel approach to fine-tuning open-source large language models (LLMs) for the task…

Databases · Computer Science 2023-12-06 Amine Rebei

Query optimization, which finds the optimized execution plan for a given query, is a complex planning and decision-making problem within the exponentially growing plan space in database management systems (DBMS). Traditional optimizers…

Databases · Computer Science 2025-02-11 Jie Tan , Kangfei Zhao , Rui Li , Jeffrey Xu Yu , Chengzhi Piao , Hong Cheng , Helen Meng , Deli Zhao , Yu Rong

Large language models (LLMs) are largely static and often redo reasoning or repeat mistakes. Prior experience reuse typically relies on external retrieval, which is similarity-based, can introduce noise, and adds latency. We introduce SEAM…

Machine Learning · Computer Science 2026-04-28 Xuancheng Li , Haitao Li , Yujia Zhou , Yiqun Liu , Qingyao Ai

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,…

In recent years, the surge in unstructured data analysis, facilitated by advancements in Machine Learning (ML), has prompted diverse approaches for handling images, text documents, and videos. Analysts, leveraging ML models, can extract…

Databases · Computer Science 2024-04-08 Akash Mittal , Anshul Bheemreddy , Huili Tao

Large language models (LLMs) have demonstrated strong performance in translating natural language questions into SQL queries (Text-to-SQL). In contrast, small language models (SLMs) ranging from 0.5B to 1.5B parameters currently…

Computation and Language · Computer Science 2025-07-31 Lei Sheng , Shuai-Shuai Xu

Large language models (LLMs) excel in many natural language processing (NLP) tasks. However, since LLMs can only incorporate new knowledge through training or supervised fine-tuning processes, they are unsuitable for applications that…

Databases · Computer Science 2024-07-23 Zongyue Qin , Chen Luo , Zhengyang Wang , Haoming Jiang , Yizhou Sun

Large enterprise databases can be complex and messy, obscuring the data semantics needed for analytical tasks. We propose a semantic layer in-between the database and the user as a set of small and easy-to-interpret database views,…

Databases · Computer Science 2024-12-12 Agapi Rissaki , Ilias Fountalis , Nikolaos Vasiloglou , Wolfgang Gatterbauer

Translating natural language questions into SQL queries, known as text-to-SQL, is a long-standing research problem. Effective text-to-SQL synthesis can become very challenging due to (i) the extensive size of database catalogs (descriptions…

Machine Learning · Computer Science 2024-11-27 Shayan Talaei , Mohammadreza Pourreza , Yu-Chen Chang , Azalia Mirhoseini , Amin Saberi

SQL is a widely adopted language for querying data, which has led to the development of various SQL analysis and rewriting tools. However, due to the diversity of SQL dialects, such tools often fail when encountering unrecognized…

Databases · Computer Science 2026-03-18 Junwen An , Kabilan Mahathevan , Manuel Rigger

Analytics on structured data is a mature field with many successful methods. However, most real world data exists in unstructured form, such as images and conversations. We investigate the potential of Large Language Models (LLMs) to enable…

Time series forecasting plays a significant role in finance, energy, meteorology, and IoT applications. Recent studies have leveraged the generalization capabilities of large language models (LLMs) to adapt to time series forecasting,…

Machine Learning · Computer Science 2026-05-12 Hao Liu , Xiaoxing Zhang , Chun Yang , Xiaobin Zhu