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Related papers: When Facts Change: Probing LLMs on Evolving Knowle…

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Large Language Models (LLMs) have demonstrated strong performance in question answering (QA) tasks. However, Multi-Answer Question Answering (MAQA), where a question may have several valid answers, remains challenging. Traditional QA…

Computation and Language · Computer Science 2025-08-19 Eviatar Nachshoni , Arie Cattan , Shmuel Amar , Ori Shapira , Ido Dagan

The visual world around us constantly evolves, from real-time news and social media trends to global infrastructure changes visible through satellite imagery and augmented reality enhancements. However, Multimodal Large Language Models…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Mingyang Fu , Yuyang Peng , Dongping Chen , Zetong Zhou , Benlin Liu , Yao Wan , Zhou Zhao , Philip S. Yu , Ranjay Krishna

Large language models (LLMs) face significant challenges in ex-ante reasoning, where analysis, inference, or predictions must be made without access to information from future events. Even with explicit prompts enforcing temporal cutoffs,…

Machine Learning · Computer Science 2025-05-27 Yachuan Liu , Xiaochun Wei , Lin Shi , Xinnuo Li , Bohan Zhang , Paramveer Dhillon , Qiaozhu Mei

This paper introduces UnSeenTimeQA, a novel data contamination-free time-sensitive question-answering (TSQA) benchmark. It differs from existing TSQA benchmarks by avoiding web-searchable queries grounded in the real world. We present a…

Computation and Language · Computer Science 2025-06-04 Md Nayem Uddin , Amir Saeidi , Divij Handa , Agastya Seth , Tran Cao Son , Eduardo Blanco , Steven R. Corman , Chitta Baral

Large language models (LLMs) acquire most of their knowledge during pretraining, which ties them to a fixed snapshot of the world and makes adaptation to continuously evolving knowledge challenging. As facts, entities, and events change…

Computation and Language · Computer Science 2026-04-16 Hanbing Liu , Lang Cao , Yang Li

Large language models (LLMs) often encounter knowledge conflicts, scenarios where discrepancy arises between the internal parametric knowledge of LLMs and non-parametric information provided in the prompt context. In this work we ask what…

Computation and Language · Computer Science 2024-10-16 Yike Wang , Shangbin Feng , Heng Wang , Weijia Shi , Vidhisha Balachandran , Tianxing He , Yulia Tsvetkov

The rapid advancement of Large Language Models (LLMs) has led to the development of benchmarks that consider temporal dynamics, however, there remains a gap in understanding how well these models can generalize across temporal contexts due…

Computation and Language · Computer Science 2025-07-02 Chenghao Zhu , Nuo Chen , Yufei Gao , Yunyi Zhang , Prayag Tiwari , Benyou Wang

The unprecedented performance of large language models (LLMs) necessitates improvements in evaluations. Rather than merely exploring the breadth of LLM abilities, we believe meticulous and thoughtful designs are essential to thorough,…

The rapid evolution of large language models (LLMs) and the real world has outpaced the static nature of widely used evaluation benchmarks, raising concerns about their reliability for evaluating LLM factuality. While substantial works…

Computation and Language · Computer Science 2026-01-21 Xunyi Jiang , Dingyi Chang , Julian McAuley , Xin Xu

Facts are subject to contingencies and can be true or false in different circumstances. One such contingency is time, wherein some facts mutate over a given period, e.g., the president of a country or the winner of a championship.…

Computation and Language · Computer Science 2024-04-05 Constanza Fierro , Nicolas Garneau , Emanuele Bugliarello , Yova Kementchedjhieva , Anders Søgaard

LLMs and AI chatbots have improved people's efficiency in various fields. However, the necessary knowledge for answering the question may be beyond the models' knowledge boundaries. To mitigate this issue, many researchers try to introduce…

Computation and Language · Computer Science 2023-11-15 Yi Liu , Lianzhe Huang , Shicheng Li , Sishuo Chen , Hao Zhou , Fandong Meng , Jie Zhou , Xu Sun

The factuality of large language model (LLMs) tends to decay over time since events posterior to their training are "unknown" to them. One way to keep models up-to-date could be factual update: the task of inserting, replacing, or removing…

Computation and Language · Computer Science 2024-03-22 Hichem Ammar Khodja , Frédéric Béchet , Quentin Brabant , Alexis Nasr , Gwénolé Lecorvé

Multi-hop question answering (MQA) is one of the challenging tasks to evaluate machine's comprehension and reasoning abilities, where large language models (LLMs) have widely achieved the human-comparable performance. Due to the dynamics of…

Computation and Language · Computer Science 2024-02-16 Hengrui Gu , Kaixiong Zhou , Xiaotian Han , Ninghao Liu , Ruobing Wang , Xin Wang

We propose DailyQA, an automatically updated dynamic dataset that updates questions weekly and contains answers to questions on any given date. DailyQA utilizes daily updates from Wikipedia revision logs to implement a fully automated…

Information Retrieval · Computer Science 2025-05-26 Jiehan Cheng , Zhicheng Dou

Knowledge editing aims at updating knowledge of large language models (LLMs) to prevent them from becoming outdated. Existing work edits LLMs at the level of factual knowledge triplets. However, natural knowledge updates in the real world…

Computation and Language · Computer Science 2024-04-23 Hao Peng , Xiaozhi Wang , Chunyang Li , Kaisheng Zeng , Jiangshan Duo , Yixin Cao , Lei Hou , Juanzi Li

Large Language Models (LLMs) have exhibited impressive generation capabilities, but they suffer from hallucinations when solely relying on their internal knowledge, especially when answering questions that require less commonly known…

Computation and Language · Computer Science 2023-11-01 Wenting Zhao , Ye Liu , Tong Niu , Yao Wan , Philip S. Yu , Shafiq Joty , Yingbo Zhou , Semih Yavuz

LLMs' sources of knowledge are data snapshots containing factual information about entities collected at different timestamps and from different media types (e.g. wikis, social media, etc.). Such unstructured knowledge is subject to change…

Computation and Language · Computer Science 2026-03-18 Seyed Mahed Mousavi , Simone Alghisi , Giuseppe Riccardi

With the rapid development of NLP, large-scale language models (LLMs) excel in various tasks across multiple domains now. However, existing benchmarks may not adequately measure these models' capabilities, especially when faced with new…

Computation and Language · Computer Science 2023-10-24 Xunjian Yin , Baizhou Huang , Xiaojun Wan

Large Language Models (LLMs) have demonstrated immense advances in a wide range of natural language tasks. However, these models are susceptible to hallucinations and errors on particularly temporal understanding tasks involving multiple…

Computation and Language · Computer Science 2025-06-30 Alexandru Dumitru , V Venktesh , Adam Jatowt , Avishek Anand

Large Language Models (LLMs) encode vast world knowledge across multiple languages, yet their internal beliefs are often unevenly distributed across linguistic spaces. When external evidence contradicts these language-dependent memories,…

Computation and Language · Computer Science 2026-01-13 Jiaqi Zhao , Qiang Huang , Haodong Chen , Xiaoxing You , Jun Yu