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Query rewriting is an effective technique for refining poorly written queries before they reach the query optimizer. However, manual rewriting is not scalable, as it is prone to errors and requires deep expertise. Traditional query…

Databases · Computer Science 2025-12-04 Jie Liu , Barzan Mozafari

As large language models (LLMs) continue to advance, instruction tuning has become critical for improving their ability to generate accurate and contextually appropriate responses. Although numerous instruction-tuning datasets have been…

Computation and Language · Computer Science 2024-10-18 Jielin Song , Siyu Liu , Bin Zhu , Yanghui Rao

Large Language Models (LLMs) have achieved remarkable success through imitation learning on vast text corpora, but this paradigm creates a training-generation gap and limits robust reasoning. Reinforcement learning (RL) offers a more…

Computation and Language · Computer Science 2026-04-13 Zhepeng Cen , Haolin Chen , Shiyu Wang , Zuxin Liu , Zhiwei Liu , Jielin Qiu , Ding Zhao , Silvio Savarese , Caiming Xiong , Huan Wang , Weiran Yao

Reliable data quality is crucial for downstream analysis of tabular datasets, yet rule-based validation often struggles with inefficiency, human intervention, and high computational costs. We present a three-stage framework that combines…

Software Engineering · Computer Science 2025-09-23 Ashlesha Akella , Akshar Kaul , Krishnasuri Narayanam , Sameep Mehta

Large Language Models (LLMs) have shown remarkable performance in various natural language processing tasks but face challenges in mathematical reasoning, where complex problem-solving requires both linguistic understanding and mathematical…

Computation and Language · Computer Science 2025-03-20 Shuguang Chen , Guang Lin

The quality of finetuning data is crucial for aligning large language models (LLMs) with human values. Current methods to improve data quality are either labor-intensive or prone to factual errors caused by LLM hallucinations. This paper…

Computation and Language · Computer Science 2024-04-18 Run-Ze Fan , Xuefeng Li , Haoyang Zou , Junlong Li , Shwai He , Ethan Chern , Jiewen Hu , Pengfei Liu

With the advent of Large Language Models (LLMs), generating rule-based data for real-world applications has become more accessible. Due to the inherent ambiguity of natural language and the complexity of rule sets, especially in long…

Computation and Language · Computer Science 2025-04-21 Teng Wang , Zhenqi He , Wing-Yin Yu , Xiaojin Fu , Xiongwei Han

Large Language Model (LLM) agents have shown stunning results in complex tasks, yet they often operate in isolation, failing to learn from past experiences. Existing memory-based methods primarily store raw trajectories, which are often…

What happens if we train a new Large Language Model (LLM) using data that are at least partially generated by other LLMs? The explosive success of LLMs means that a substantial amount of content online will be generated by LLMs rather than…

Computation and Language · Computer Science 2024-07-26 Jinghui Zhang , Dandan Qiao , Mochen Yang , Qiang Wei

Synthetically-generated data plays an increasingly larger role in training large language models. However, while synthetic data has been found to be useful, studies have also shown that without proper curation it can cause LLM performance…

Machine Learning · Computer Science 2025-12-02 Kareem Amin , Sara Babakniya , Alex Bie , Weiwei Kong , Umar Syed , Sergei Vassilvitskii

Fine-tuning Large Language Models (LLMs) typically relies on large quantities of high-quality annotated data, or questions with well-defined ground truth answers in the case of Reinforcement Learning with Verifiable Rewards (RLVR). While…

Artificial Intelligence · Computer Science 2026-04-21 Justin Bauer , Thomas Walshe , Derek Pham , Harit Vishwakarma , Armin Parchami , Frederic Sala , Paroma Varma

Effective document reranking is essential for improving search relevance across diverse applications. While Large Language Models (LLMs) excel at reranking due to their deep semantic understanding and reasoning, their high computational…

Computation and Language · Computer Science 2025-10-03 Dimitar Peshevski , Kiril Blazhevski , Martin Popovski , Gjorgji Madjarov

The emergence of large language models (LLMs) has revolutionized machine learning and related fields, showcasing remarkable abilities in comprehending, generating, and manipulating human language. However, their conventional usage through…

Computation and Language · Computer Science 2024-04-18 Andrea Bacciu , Florin Cuconasu , Federico Siciliano , Fabrizio Silvestri , Nicola Tonellotto , Giovanni Trappolini

Large Language Models (LLMs) have demonstrated remarkable capabilities and have been extensively deployed across various domains, including recommender systems. Prior research has employed specialized \textit{prompts} to leverage the…

Information Retrieval · Computer Science 2024-04-02 Sichun Luo , Bowei He , Haohan Zhao , Wei Shao , Yanlin Qi , Yinya Huang , Aojun Zhou , Yuxuan Yao , Zongpeng Li , Yuanzhang Xiao , Mingjie Zhan , Linqi Song

Despite advances in machine learning (ML) and large language models (LLMs), rule-based natural language processing (NLP) systems remain active in clinical settings due to their interpretability and operational efficiency. However, their…

Computation and Language · Computer Science 2025-06-23 Jianlin Shi , Brian T. Bucher

Pretraining large language models (LLMs) is resource-intensive, often requiring months of training time even with high-end GPU clusters. There are two approaches of mitigating such computational demands: reusing smaller models to train…

Machine Learning · Computer Science 2025-06-17 Seng Pei Liew , Takuya Kato , Sho Takase

Large Language Models (LLMs) have showcased impressive performance. However, due to their inability to capture relationships among samples, these frozen LLMs inevitably keep repeating similar mistakes. In this work, we propose our…

Computation and Language · Computer Science 2023-10-25 Zeyuan Yang , Peng Li , Yang Liu

Large Language Models (LLMs) are known for their expensive and time-consuming training. Thus, oftentimes, LLMs are fine-tuned to address a specific task, given the pretrained weights of a pre-trained LLM considered a foundation model. In…

Computation and Language · Computer Science 2025-12-05 Eshed Gal , Moshe Eliasof , Javier Turek , Uri Ascher , Eran Treister , Eldad Haber

Despite recent progress achieved by code large language models (LLMs), their remarkable abilities are largely dependent on fine-tuning on the high-quality data, posing challenges for data collection and annotation. To address this, current…

Computation and Language · Computer Science 2025-02-19 Huawen Feng , Pu Zhao , Qingfeng Sun , Can Xu , Fangkai Yang , Lu Wang , Qianli Ma , Qingwei Lin , Saravan Rajmohan , Dongmei Zhang , Qi Zhang

Large Language Models (LLMs) have demonstrated impressive capabilities in creative tasks such as storytelling and E-mail generation. However, as LLMs are primarily trained on final text results rather than intermediate revisions, it might…

Computation and Language · Computer Science 2023-12-21 Lei Shu , Liangchen Luo , Jayakumar Hoskere , Yun Zhu , Yinxiao Liu , Simon Tong , Jindong Chen , Lei Meng
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