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Typical active learning strategies are designed for tasks, such as classification, with the assumption that the output space is mutually exclusive. The assumption that these tasks always have exactly one correct answer has resulted in the…

计算机视觉与模式识别 · 计算机科学 2019-12-10 Khaled Jedoui , Ranjay Krishna , Michael Bernstein , Li Fei-Fei

Information seeking users often pose questions with false presuppositions, especially when asking about unfamiliar topics. Most existing question answering (QA) datasets, in contrast, assume all questions have well defined answers. We…

计算与语言 · 计算机科学 2022-12-01 Xinyan Velocity Yu , Sewon Min , Luke Zettlemoyer , Hannaneh Hajishirzi

Community Question Answering (CQA) has become a primary means for people to acquire knowledge, where people are free to ask questions or submit answers. To enhance the efficiency of the service, similar question identification becomes a…

信息检索 · 计算机科学 2020-06-23 Zizhen Wang , Yixing Fan , Jiafeng Guo , Liu Yang , Ruqing Zhang , Yanyan Lan , Xueqi Cheng , Hui Jiang , Xiaozhao Wang

Large Language Models (LLMs) have democratized synthetic data generation, which in turn has the potential to simplify and broaden a wide gamut of NLP tasks. Here, we tackle a pervasive problem in synthetic data generation: its generative…

计算与语言 · 计算机科学 2023-05-25 Veniamin Veselovsky , Manoel Horta Ribeiro , Akhil Arora , Martin Josifoski , Ashton Anderson , Robert West

Verifying complex political claims is a challenging task, especially when politicians use various tactics to subtly misrepresent the facts. Automatic fact-checking systems fall short here, and their predictions like "half-true" are not very…

计算与语言 · 计算机科学 2022-11-02 Jifan Chen , Aniruddh Sriram , Eunsol Choi , Greg Durrett

Large language models are playing an increasingly significant role in molecular research, yet existing models often generate erroneous information, posing challenges to accurate molecular comprehension. Traditional evaluation metrics for…

计算与语言 · 计算机科学 2024-03-14 Xingyu Lu , He Cao , Zijing Liu , Shengyuan Bai , Leqing Chen , Yuan Yao , Hai-Tao Zheng , Yu Li

GQA~\citep{hudson2019gqa} is a dataset for real-world visual reasoning and compositional question answering. We found that many answers predicted by the best vision-language models on the GQA dataset do not match the ground-truth answer but…

计算与语言 · 计算机科学 2022-06-02 Man Luo , Shailaja Keyur Sampat , Riley Tallman , Yankai Zeng , Manuha Vancha , Akarshan Sajja , Chitta Baral

Complex question answering over knowledge base (Complex KBQA) is challenging because it requires various compositional reasoning capabilities, such as multi-hop inference, attribute comparison, set operation. Existing benchmarks have some…

计算与语言 · 计算机科学 2022-06-24 Shulin Cao , Jiaxin Shi , Liangming Pan , Lunyiu Nie , Yutong Xiang , Lei Hou , Juanzi Li , Bin He , Hanwang Zhang

Creating multiple-choice questions to assess reading comprehension of a given article involves generating question-answer pairs (QAPs) on the main points of the document. We present a learning scheme to generate adequate QAPs via…

计算与语言 · 计算机科学 2021-10-01 Cheng Zhang , Jie Wang

We introduce and formalize the Synthetic Dataset Quality Estimation (SynQuE) problem: ranking synthetic datasets by their expected real-world task performance using only limited unannotated real data. This addresses a critical and open…

机器学习 · 计算机科学 2026-05-04 Arthur Chen , Victor Zhong

Knowledge graph question answering (KGQA) is a well-established field that seeks to provide factual answers to natural language (NL) questions by leveraging knowledge graphs (KGs). However, existing KGQA datasets suffer from two significant…

计算与语言 · 计算机科学 2024-03-05 Willis Guo , Armin Toroghi , Scott Sanner

Creating multiple-choice questions to assess reading comprehension of a given article involves generating question-answer pairs (QAPs) and adequate distractors. We present two methods to tackle the challenge of QAP generations: (1) A…

计算与语言 · 计算机科学 2023-03-28 Cheng Zhang

We propose a simple method to generate multilingual question and answer pairs on a large scale through the use of a single generative model. These synthetic samples can be used to improve the zero-shot performance of multilingual QA models…

计算与语言 · 计算机科学 2021-06-01 Siamak Shakeri , Noah Constant , Mihir Sanjay Kale , Linting Xue

Neural abstractive summarization models are prone to generate content inconsistent with the source document, i.e. unfaithful. Existing automatic metrics do not capture such mistakes effectively. We tackle the problem of evaluating…

计算与语言 · 计算机科学 2020-10-13 Esin Durmus , He He , Mona Diab

Product retrieval is the backbone of e-commerce search: for each user query, it identifies a high-recall candidate set from billions of items, laying the foundation for high-quality ranking and user experience. Despite extensive…

信息检索 · 计算机科学 2026-04-28 Gui Ling , Weiyuan Li , Yue Jiang , Wenjun Peng , Xingxian Liu , Dongshuai Li , Fuyu Lv , Dan Ou , Haihong Tang

Question Answering (QA) is in increasing demand as the amount of information available online and the desire for quick access to this content grows. A common approach to QA has been to fine-tune a pretrained language model on a…

计算与语言 · 计算机科学 2020-04-27 Alexander R. Fabbri , Patrick Ng , Zhiguo Wang , Ramesh Nallapati , Bing Xiang

Alongside the growth of generative AI, we are witnessing a surge in the use of synthetic data across all stages of the AI development pipeline. It is now common practice for researchers and practitioners to use one large generative model…

人机交互 · 计算机科学 2025-05-14 Shivani Kapania , Stephanie Ballard , Alex Kessler , Jennifer Wortman Vaughan

Large language models (LLMs) have demonstrated impressive capabilities in various reasoning tasks but face significant challenges with complex, knowledge-intensive multi-hop queries, particularly those involving new or long-tail knowledge.…

计算与语言 · 计算机科学 2025-08-25 Jie He , Nan Hu , Wanqiu Long , Jiaoyan Chen , Jeff Z. Pan

Question Answering (QA) is a challenging topic since it requires tackling the various difficulties of natural language understanding. Since evaluation is important not only for identifying the strong and weak points of the various…

计算与语言 · 计算机科学 2021-02-09 Katerina Papantoniou , Yannis Tzitzikas

Most existing work on automated fact checking is concerned with predicting the veracity of claims based on metadata, social network spread, language used in claims, and, more recently, evidence supporting or denying claims. A crucial piece…

计算与语言 · 计算机科学 2020-04-14 Pepa Atanasova , Jakob Grue Simonsen , Christina Lioma , Isabelle Augenstein