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Keyphrase generation is the task of automatically predicting keyphrases given a piece of long text. Despite its recent flourishing, keyphrase generation on non-English languages haven't been vastly investigated. In this paper, we call…

计算与语言 · 计算机科学 2022-06-02 Yifan Gao , Qingyu Yin , Zheng Li , Rui Meng , Tong Zhao , Bing Yin , Irwin King , Michael R. Lyu

Smooth and effective communication requires the ability to perform latent or explicit commonsense inference. Prior commonsense reasoning benchmarks (such as SocialIQA and CommonsenseQA) mainly focus on the discriminative task of choosing…

计算与语言 · 计算机科学 2021-09-23 Pei Zhou , Karthik Gopalakrishnan , Behnam Hedayatnia , Seokhwan Kim , Jay Pujara , Xiang Ren , Yang Liu , Dilek Hakkani-Tur

Retrieval-Augmented Generation (RAG) systems have shown substantial benefits in applications such as question answering and multi-turn dialogue \citep{lewis2020retrieval}. However, traditional RAG methods, while leveraging static knowledge…

计算与语言 · 计算机科学 2025-02-20 Feiyuan Zhang , Dezhi Zhu , James Ming , Yilun Jin , Di Chai , Liu Yang , Han Tian , Zhaoxin Fan , Kai Chen

In this paper, we introduce Reward-RAG, a novel approach designed to enhance the Retrieval-Augmented Generation (RAG) model through Reward-Driven Supervision. Unlike previous RAG methodologies, which focus on training language models (LMs)…

计算与语言 · 计算机科学 2024-10-08 Thang Nguyen , Peter Chin , Yu-Wing Tai

Generating qualitative responses has always been a challenge for human-computer dialogue systems. Existing dialogue systems generally derive from either retrieval-based or generative-based approaches, both of which have their own pros and…

计算与语言 · 计算机科学 2020-05-01 Jiayi Zhang , Chongyang Tao , Zhenjing Xu , Qiaojing Xie , Wei Chen , Rui Yan

Query expansion with pseudo-relevance feedback (PRF) is a powerful approach to enhance the effectiveness in information retrieval. Recently, with the rapid advance of deep learning techniques, neural text generation has achieved promising…

信息检索 · 计算机科学 2021-08-16 Minghui Huang , Dong Wang , Shuang Liu , Meizhen Ding

Semi-Supervised Semantic Segmentation reduces reliance on extensive annotations by using unlabeled data and state-of-the-art models to improve overall performance. Despite the success of deep co-training methods, their underlying mechanisms…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Thuan Than , Nhat-Anh Nguyen-Dang , Dung Nguyen , Salwa K. Al Khatib , Ahmed Elhagry , Hai Phan , Yihui He , Zhiqiang Shen , Marios Savvides , Dang Huynh

Generating questions along with associated answers from a text has applications in several domains, such as creating reading comprehension tests for students, or improving document search by providing auxiliary questions and answers based…

计算与语言 · 计算机科学 2023-05-30 Asahi Ushio , Fernando Alva-Manchego , Jose Camacho-Collados

We propose a practical instant question answering (QA) system on product pages of ecommerce services, where for each user query, relevant community question answer (CQA) pairs are retrieved. User queries and CQA pairs differ significantly…

机器学习 · 计算机科学 2021-04-08 Happy Mittal , Aniket Chakrabarti , Belhassen Bayar , Animesh Anant Sharma , Nikhil Rasiwasia

Existing research studies on cross-sentence relation extraction in long-form multi-party conversations aim to improve relation extraction without considering the explainability of such methods. This work addresses that gap by focusing on…

计算与语言 · 计算机科学 2022-10-20 Alon Albalak , Varun Embar , Yi-Lin Tuan , Lise Getoor , William Yang Wang

Automatic question generation (AQG) has broad applicability in domains such as tutoring systems, conversational agents, healthcare literacy, and information retrieval. Existing efforts at AQG have been limited to short answer lengths of up…

计算与语言 · 计算机科学 2020-04-16 Shlok Kumar Mishra , Pranav Goel , Abhishek Sharma , Abhyuday Jagannatha , David Jacobs , Hal Daumé

Natural question generation (QG) aims to generate questions from a passage and an answer. Previous works on QG either (i) ignore the rich structure information hidden in text, (ii) solely rely on cross-entropy loss that leads to issues like…

计算与语言 · 计算机科学 2020-08-28 Yu Chen , Lingfei Wu , Mohammed J. Zaki

Recent advancements in Large Language Models (LLMs) have transformed Natural Language Processing (NLP), enabling complex information retrieval and generation tasks. Retrieval-Augmented Generation (RAG) has emerged as a key innovation,…

信息检索 · 计算机科学 2026-02-27 Teri Rumble , Zbyněk Gazdík , Javad Zarrin , Jagdeep Ahluwalia

Many users communicate with chatbots and AI assistants in order to help them with various tasks. A key component of the assistant is the ability to understand and answer a user's natural language questions for question-answering (QA).…

计算与语言 · 计算机科学 2020-06-08 Anthony Colas , Trung Bui , Franck Dernoncourt , Moumita Sinha , Doo Soon Kim

Query optimization is a crucial problem in database systems that has been studied for decades. Learned query optimizers (LQOs) can improve performance over time by incorporating feedback; however, they suffer from cold-start issues and…

数据库 · 计算机科学 2025-08-26 Hanwen Liu , Qihan Zhang , Ryan Marcus , Ibrahim Sabek

We introduce a new dataset for Question Rewriting in Conversational Context (QReCC), which contains 14K conversations with 80K question-answer pairs. The task in QReCC is to find answers to conversational questions within a collection of…

信息检索 · 计算机科学 2021-04-16 Raviteja Anantha , Svitlana Vakulenko , Zhucheng Tu , Shayne Longpre , Stephen Pulman , Srinivas Chappidi

Dialogue assistants are rapidly becoming an indispensable daily aid. To avoid the significant effort needed to hand-craft the required dialogue flow, the Dialogue Management (DM) module can be cast as a continuous Markov Decision Process…

Supervised Question Answering systems (QA systems) rely on domain-specific human-labeled data for training. Unsupervised QA systems generate their own question-answer training pairs, typically using secondary knowledge sources to achieve…

计算与语言 · 计算机科学 2023-02-06 Dinesh Nagumothu , Bahadorreza Ofoghi , Guangyan Huang , Peter W. Eklund

Organizations increasingly adopt Retrieval-Augmented Generation (RAG) to enhance Large Language Models with enterprise-specific knowledge. However, current data quality (DQ) frameworks have been primarily developed for static datasets, and…

人工智能 · 计算机科学 2025-10-02 Leopold Müller , Joshua Holstein , Sarah Bause , Gerhard Satzger , Niklas Kühl

Conversational Question Generation (CQG) enhances the interactivity of conversational question-answering systems in fields such as education, customer service, and entertainment. However, traditional CQG, focusing primarily on the immediate…

计算与语言 · 计算机科学 2024-10-03 Shasha Guo , Lizi Liao , Jing Zhang , Cuiping Li , Hong Chen