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Long-video understanding remains a significant challenge for Multimodal Large Language Models (MLLMs) due to inherent token limitations and the complexity of capturing long-term temporal dependencies. Existing methods often fail to capture…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Jeong Hun Yeo , Sangyun Chung , Sungjune Park , Dae Hoe Kim , Jinyoung Moon , Yong Man Ro

In this paper we present a new dataset and user simulator e-QRAQ (explainable Query, Reason, and Answer Question) which tests an Agent's ability to read an ambiguous text; ask questions until it can answer a challenge question; and explain…

Machine Learning · Computer Science 2017-08-08 Clemens Rosenbaum , Tian Gao , Tim Klinger

Episodic memory allows LLM agents to accumulate and retrieve experience, but current methods treat each memory independently, i.e., evaluating retrieval quality in isolation without accounting for the dependency chains through which…

Artificial Intelligence · Computer Science 2026-05-15 Junwei Liao , Haoting Shi , Ruiwen Zhou , Jiaqian Wang , Shengtao Zhang , Wei Zhang , Ying Wen , Zhiyu Li , Feiyu Xiong , Bo Tang , Weinan Zhang , Muning Wen

Though deep neural networks have great success in natural language processing, they are limited at more knowledge intensive AI tasks, such as open-domain Question Answering (QA). Existing end-to-end deep QA models need to process the entire…

Computation and Language · Computer Science 2019-03-05 Fan Yang , Jiazhong Nie , William W. Cohen , Ni Lao

The goal of continual learning (CL) is to learn a sequence of tasks without suffering from the phenomenon of catastrophic forgetting. Previous work has shown that leveraging memory in the form of a replay buffer can reduce performance…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Sayna Ebrahimi , Suzanne Petryk , Akash Gokul , William Gan , Joseph E. Gonzalez , Marcus Rohrbach , Trevor Darrell

Reward Models (RMs), vital for large model alignment, are underexplored for complex embodied tasks like Embodied Question Answering (EQA) where nuanced evaluation of agents' spatial, temporal, and logical understanding is critical yet not…

Machine Learning · Computer Science 2025-06-13 Yuhang Chen , Zhen Tan , Tianlong Chen

We present a novel neural architecture for answering queries, designed to optimally leverage explicit support in the form of query-answer memories. Our model is able to refine and update a given query while separately accumulating evidence…

Computation and Language · Computer Science 2016-09-28 Dirk Weissenborn

Reading and understanding text is one important component in computer aided diagnosis in clinical medicine, also being a major research problem in the field of NLP. In this work, we introduce a question-answering task called MedQA to study…

Computation and Language · Computer Science 2018-03-01 Xiao Zhang , Ji Wu , Zhiyang He , Xien Liu , Ying Su

Long-term conversational agents must decide which turns to store in external memory, yet recent systems rely on autoregressive LLM generation at every turn to make that decision. We present MemRouter, a write-side memory router that…

Computation and Language · Computer Science 2026-05-04 Tianyu Hu , Weikai Lin , Weizhi Zhang , Jing Ma , Song Wang

Knowledge graph question answering is an important technology in intelligent human-robot interaction, which aims at automatically giving answer to human natural language question with the given knowledge graph. For the multi-relation…

Computation and Language · Computer Science 2021-06-04 Xinmeng Li , Mamoun Alazab , Qian Li , Keping Yu , Quanjun Yin

Multimedia or spoken content presents more attractive information than plain text content, but the former is more difficult to display on a screen and be selected by a user. As a result, accessing large collections of the former is much…

Computation and Language · Computer Science 2017-01-03 Wei Fang , Jui-Yang Hsu , Hung-yi Lee , Lin-Shan Lee

We study the problem of learning associative memory -- a system which is able to retrieve a remembered pattern based on its distorted or incomplete version. Attractor networks provide a sound model of associative memory: patterns are stored…

Machine Learning · Statistics 2021-04-21 Sergey Bartunov , Jack W Rae , Simon Osindero , Timothy P Lillicrap

Long video understanding requires more than large context windows. It also needs a memory mechanism that decides what visual evidence to retain, keeps it searchable over long horizons, and grounds later reasoning in recoverable observations…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Aiden Yiliu Li , Nels Numan , Anthony Steed

To enable embodied agents to operate effectively over extended timeframes, it is crucial to develop models that form and access memories to stay contextualized in their environment. In the current paradigm of training transformer-based…

Artificial Intelligence · Computer Science 2025-12-01 Gunshi Gupta , Karmesh Yadav , Zsolt Kira , Yarin Gal , Rahaf Aljundi

While models have reached superhuman performance on popular question answering (QA) datasets such as SQuAD, they have yet to outperform humans on the task of question answering itself. In this paper, we investigate if models are learning…

Computation and Language · Computer Science 2021-09-14 Priyanka Sen , Amir Saffari

Memory plays a central role in enabling large language models (LLMs) to operate over sequential tasks by accumulating and reusing experience over time. However, existing evaluations of LLM memory mostly rely on aggregate metrics such as…

Machine Learning · Computer Science 2026-05-18 Songwei Dong , Zihan Chen , Chengshuai Shi , Peng Wang , Jundong Li , Cong Shen

During the last years, there has been a lot of interest in achieving some kind of complex reasoning using deep neural networks. To do that, models like Memory Networks (MemNNs) have combined external memory storages and attention…

Computation and Language · Computer Science 2018-05-25 Juan Pavez , Héctor Allende , Héctor Allende-Cid

Empathetic response generation aims to comprehend the cognitive and emotional states in dialogue utterances and generate proper responses. Psychological theories posit that comprehending emotional and cognitive states necessitates…

Computation and Language · Computer Science 2024-06-04 Zhou Yang , Zhaochun Ren , Yufeng Wang , Chao Chen , Haizhou Sun , Xiaofei Zhu , Xiangwen Liao

We introduce a new model, the Recurrent Entity Network (EntNet). It is equipped with a dynamic long-term memory which allows it to maintain and update a representation of the state of the world as it receives new data. For language…

Computation and Language · Computer Science 2017-05-11 Mikael Henaff , Jason Weston , Arthur Szlam , Antoine Bordes , Yann LeCun

Deploying Multimodal Large Language Models as the brain of embodied agents remains challenging, particularly under long-horizon observations and limited context budgets. Existing memory assisted methods often rely on textual summaries,…

Robotics · Computer Science 2026-03-03 Ji Li , Bo Wang , Jing Xia , Mingyi Li , Shiyan Hu