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With the advancement of speech synthesis technology, users have higher expectations for the naturalness and expressiveness of synthesized speech. But previous research ignores the importance of prompt selection. This study proposes a…

声音 · 计算机科学 2025-04-15 Dan Luo , Chengyuan Ma , Weiqin Li , Jun Wang , Wei Chen , Zhiyong Wu

Recent advances in Text-to-SQL have largely focused on the SQLite dialect, neglecting the diverse landscape of SQL dialects like BigQuery and PostgreSQL. This limitation is due to the diversity in SQL syntaxes and functions, along with the…

人工智能 · 计算机科学 2024-10-04 Mohammadreza Pourreza , Ruoxi Sun , Hailong Li , Lesly Miculicich , Tomas Pfister , Sercan O. Arik

Recent studies have highlighted the limitations of large language models in mathematical reasoning, particularly their inability to capture the underlying logic. Inspired by meta-learning, we propose that models should acquire not only…

计算与语言 · 计算机科学 2024-12-19 Kejie Chen , Lin Wang , Qinghai Zhang , Renjun Xu

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…

人工智能 · 计算机科学 2025-10-01 Hasan Alp Caferoğlu , Mehmet Serhat Çelik , Özgür Ulusoy

Data augmentation is a widely used strategy to improve model robustness and generalization by enriching training datasets with synthetic examples. While large language models (LLMs) have demonstrated strong generative capabilities for this…

机器学习 · 计算机科学 2025-09-29 Dongkyu Cho , Miao Zhang , Rumi Chunara

Recent advancements in Text-to-SQL, driven by large language models, are democratizing data access. Despite these advancements, enterprise deployments remain challenging due to the need to capture business-specific knowledge, handle complex…

人工智能 · 计算机科学 2025-03-28 Karime Maamari , Connor Landy , Amine Mhedhbi

The success of Large Language Models (LLMs) is inherently linked to the availability of vast, diverse, and high-quality data for training and evaluation. However, the growth rate of high-quality data is significantly outpaced by the…

计算与语言 · 计算机科学 2024-10-18 Ke Wang , Jiahui Zhu , Minjie Ren , Zeming Liu , Shiwei Li , Zongye Zhang , Chenkai Zhang , Xiaoyu Wu , Qiqi Zhan , Qingjie Liu , Yunhong Wang

In the context-dependent Text-to-SQL task, the generated SQL statements are refined iteratively based on the user input utterance from each interaction. The input text from each interaction can be viewed as component modifications to the…

计算与语言 · 计算机科学 2023-08-15 Aiwei Liu , Wei Liu , Xuming Hu , Shuang Li , Fukun Ma , Yawen Yang , Lijie Wen

In this paper, we study the problem of data augmentation for language understanding in task-oriented dialogue system. In contrast to previous work which augments an utterance without considering its relation with other utterances, we…

计算与语言 · 计算机科学 2018-07-05 Yutai Hou , Yijia Liu , Wanxiang Che , Ting Liu

Question Answering (QA) is key for making possible a robust communication between human and machine. Modern language models used for QA have surpassed the human-performance in several essential tasks; however, these models require large…

计算与语言 · 计算机科学 2021-09-08 Liubov Nikolenko , Pouya Rezazadeh Kalehbasti

We investigate the usefulness of generative Large Language Models (LLMs) in generating training data for cross-encoder re-rankers in a novel direction: generating synthetic documents instead of synthetic queries. We introduce a new dataset,…

信息检索 · 计算机科学 2023-05-04 Arian Askari , Mohammad Aliannejadi , Evangelos Kanoulas , Suzan Verberne

Retrieval-augmented generation (RAG) systems have advanced large language models (LLMs) in complex deep search scenarios requiring multi-step reasoning and iterative information retrieval. However, existing approaches face critical…

User simulation has been a cost-effective technique for evaluating conversational recommender systems. However, building a human-like simulator is still an open challenge. In this work, we focus on how users reformulate their utterances…

信息检索 · 计算机科学 2022-05-05 Shuo Zhang , Mu-Chun Wang , Krisztian Balog

Large language models (LLMs), such as ChatGPT, are able to generate human-like, fluent responses for many downstream tasks, e.g., task-oriented dialog and question answering. However, applying LLMs to real-world, mission-critical…

计算与语言 · 计算机科学 2023-03-10 Baolin Peng , Michel Galley , Pengcheng He , Hao Cheng , Yujia Xie , Yu Hu , Qiuyuan Huang , Lars Liden , Zhou Yu , Weizhu Chen , Jianfeng Gao

This research paper explores the use of ChatGPT in database management. ChatGPT, an AI-powered chatbot, has limitations in performing tasks related to database management due to the lack of standardized vocabulary and grammar for…

数据库 · 计算机科学 2023-03-15 Wenjun Lin , Paul Babyn , Yan yan , Wenjun Zhang

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…

计算与语言 · 计算机科学 2020-04-23 Tong Guo , Huilin Gao

Nowadays, data augmentation through synthetic data has been widely used in the field of Grammatical Error Correction (GEC) to alleviate the problem of data scarcity. However, these synthetic data are mainly used in the pre-training phase…

计算与语言 · 计算机科学 2024-06-26 Yixuan Wang , Baoxin Wang , Yijun Liu , Qingfu Zhu , Dayong Wu , Wanxiang Che

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…

人工智能 · 计算机科学 2024-09-25 Lixia Wu , Peng Li , Junhong Lou , Lei Fu

Newly-introduced deep learning architectures, namely BERT, XLNet, RoBERTa and ALBERT, have been proved to be robust on several NLP tasks. However, the datasets trained on these architectures are fixed in terms of size and generalizability.…

计算与语言 · 计算机科学 2020-09-29 Jean-Philippe Corbeil , Hadi Abdi Ghadivel

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…

人工智能 · 计算机科学 2024-11-12 Yinggang Sun , Ziming Guo , Haining Yu , Chuanyi Liu , Xiang Li , Bingxuan Wang , Xiangzhan Yu , Tiancheng Zhao