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Current query expansion models use pseudo-relevance feedback to improve first-pass retrieval effectiveness; however, this fails when the initial results are not relevant. Instead of building a language model from retrieved results, we…

Information Retrieval · Computer Science 2023-04-27 Iain Mackie , Shubham Chatterjee , Jeffrey Dalton

The majority of online reviews consist of plain-text feedback together with a single numeric score. However, there are multiple dimensions to products and opinions, and understanding the `aspects' that contribute to users' ratings may help…

Computation and Language · Computer Science 2012-11-01 Julian McAuley , Jure Leskovec , Dan Jurafsky

Retrieval-Augmented Generation (RAG) has become a standard architectural pattern for incorporating domain-specific knowledge into user-facing chat applications powered by Large Language Models (LLMs). RAG systems are characterized by (1) a…

Computation and Language · Computer Science 2025-01-17 Robert Friel , Masha Belyi , Atindriyo Sanyal

Infineon has identified a need for engineers, account managers, and customers to rapidly obtain product information. This problem is traditionally addressed with retrieval-augmented generation (RAG) chatbots, but in this study, I evaluated…

Information Retrieval · Computer Science 2024-03-12 Zackary Rackauckas

In this paper, we present strong baselines for the task of Feedback Comment Generation for Writing Learning. Given a sentence and an error span, the task is to generate a feedback comment explaining the error. Sentences and feedback…

Computation and Language · Computer Science 2022-12-20 Shabnam Behzad , Amir Zeldes , Nathan Schneider

Retrieval-augmented generation (RAG) improves knowledge-intensive question answering by incorporating external evidence. However, existing RAG methods still suffer from hallucinations and subtle reasoning errors. Recent studies introduce…

Computation and Language · Computer Science 2026-05-29 Wenhan Xiao , Ziwei Zhang , Chuanyue Yu , Xingcheng Fu , Qingyun Sun , Runhua Xu , Jianxin Li

Personalized review generation (PRG) aims to automatically produce review text reflecting user preference, which is a challenging natural language generation task. Most of previous studies do not explicitly model factual description of…

Computation and Language · Computer Science 2020-10-06 Junyi Li , Siqing Li , Wayne Xin Zhao , Gaole He , Zhicheng Wei , Nicholas Jing Yuan , Ji-Rong Wen

Automated evaluation of open domain natural language generation (NLG) models remains a challenge and widely used metrics such as BLEU and Perplexity can be misleading in some cases. In our paper, we propose to evaluate natural language…

Computation and Language · Computer Science 2020-02-13 Wangchunshu Zhou , Ke Xu

User reviews of mobile apps often contain complaints or suggestions which are valuable for app developers to improve user experience and satisfaction. However, due to the large volume and noisy-nature of those reviews, manually analyzing…

Information Retrieval · Computer Science 2015-10-27 Phong Minh Vu , Tam The Nguyen , Hung Viet Pham , Tung Thanh Nguyen

Code review is a crucial component of modern software development, involving the evaluation of code quality, providing feedback on potential issues, and refining the code to address identified problems. Despite these benefits, code review…

Software Engineering · Computer Science 2025-06-06 Oussama Ben Sghaier , Rosalia Tufano , Gabriele Bavota , Houari Sahraoui

Personas are crucial in software development processes, particularly in agile settings. However, no effective tools are available for generating personas from user feedback in agile software development processes. To fill this gap, we…

Software Engineering · Computer Science 2023-08-24 Xishuo Zhang , Lin Liu , Yi Wang , Xiao Liu , Hailong Wang , Anqi Ren , Chetan Arora

Designing effective reward functions remains a fundamental challenge in reinforcement learning (RL), as it often requires extensive human effort and domain expertise. While RL from human feedback has been successful in aligning agents with…

Machine Learning · Computer Science 2025-06-17 Tung Minh Luu , Younghwan Lee , Donghoon Lee , Sunho Kim , Min Jun Kim , Chang D. Yoo

Analyzing customer feedback is the best way to channelize the data into new marketing strategies that benefit entrepreneurs as well as customers. Therefore an automated system which can analyze the customer behavior is in great demand.…

Computation and Language · Computer Science 2017-10-13 Deepak Gupta , Pabitra Lenka , Harsimran Bedi , Asif Ekbal , Pushpak Bhattacharyya

Malicious crowdsourcing forums are gaining traction as sources of spreading misinformation online, but are limited by the costs of hiring and managing human workers. In this paper, we identify a new class of attacks that leverage deep…

Cryptography and Security · Computer Science 2017-09-11 Yuanshun Yao , Bimal Viswanath , Jenna Cryan , Haitao Zheng , Ben Y. Zhao

Producing large volumes of high-quality, timely feedback poses significant challenges to instructors. To address this issue, automation technologies-particularly Large Language Models (LLMs)-show great potential. However, current LLM-based…

Human-Computer Interaction · Computer Science 2025-05-09 Jie Cao , Chloe Qianhui Zhao , Xian Chen , Shuman Wang , Christian Schunn , Kenneth R. Koedinger , Jionghao Lin

Code review is a vital but demanding aspect of software development, generating significant interest in automating review comments. Traditional evaluation methods for these comments, primarily based on text similarity, face two major…

Software Engineering · Computer Science 2025-01-28 Junyi Lu , Xiaojia Li , Zihan Hua , Lei Yu , Shiqi Cheng , Li Yang , Fengjun Zhang , Chun Zuo

In the hospitality industry, understanding the factors that drive customer review ratings is critical for improving guest satisfaction and business performance. This work proposes ReviewGraph for Review Rating Prediction (RRP), a novel…

Computation and Language · Computer Science 2025-11-18 A. J. W. de Vink , Natalia Amat-Lefort , Lifeng Han

In this paper, we study the task of improving the cohesion and coherence of long-form text generated by language models. To this end, we propose RSTGen, a framework that utilises Rhetorical Structure Theory (RST), a classical language…

Computation and Language · Computer Science 2023-05-10 Rilwan A. Adewoyin , Ritabrata Dutta , Yulan He

Performance bugs are non-functional bugs that can even manifest in well-tested commercial products. Fixing these performance bugs is an important yet challenging problem. In this work, we address this challenge and present a new approach…

Software Engineering · Computer Science 2025-01-10 Spandan Garg , Roshanak Zilouchian Moghaddam , Neel Sundaresan

Retrieval-Augmented Generation (RAG) aims to generate more reliable and accurate responses, by augmenting large language models (LLMs) with the external vast and dynamic knowledge. Most previous work focuses on using RAG for single-round…

Artificial Intelligence · Computer Science 2024-03-28 Linhao Ye , Zhikai Lei , Jianghao Yin , Qin Chen , Jie Zhou , Liang He