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We present Perceive-Represent-Generate (PRG), a novel three-stage framework that maps perceptual information of different modalities (e.g., visual or sound), corresponding to a sequence of instructions, to an adequate sequence of movements…

机器人学 · 计算机科学 2022-10-25 Fábio Vital , Miguel Vasco , Alberto Sardinha , Francisco Melo

Structured text understanding on Visually Rich Documents (VRDs) is a crucial part of Document Intelligence. Due to the complexity of content and layout in VRDs, structured text understanding has been a challenging task. Most existing…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Yulin Li , Yuxi Qian , Yuchen Yu , Xiameng Qin , Chengquan Zhang , Yan Liu , Kun Yao , Junyu Han , Jingtuo Liu , Errui Ding

Understanding multimodal long-context documents that comprise multimodal chunks such as paragraphs, figures, and tables is challenging due to (1) cross-modal heterogeneity to localize relevant information across modalities, (2) cross-page…

信息检索 · 计算机科学 2026-02-16 Yongyue Zhang , Yaxiong Wu

Recently, self-supervised learning has proved to be effective to learn representations of events suitable for temporal segmentation in image sequences, where events are understood as sets of temporally adjacent images that are semantically…

机器学习 · 计算机科学 2020-12-11 Mariella Dimiccoli , Herwig Wendt

In the last few years, there has been a surge of interest in learning representations of entitiesand relations in knowledge graph (KG). However, the recent availability of temporal knowledgegraphs (TKGs) that contain time information for…

计算与语言 · 计算机科学 2020-10-27 Chengjin Xu , Mojtaba Nayyeri , Fouad Alkhoury , Hamed Shariat Yazdi , Jens Lehmann

Multi-hop logical reasoning over knowledge graph (KG) plays a fundamental role in many artificial intelligence tasks. Recent complex query embedding (CQE) methods for reasoning focus on static KGs, while temporal knowledge graphs (TKGs)…

机器学习 · 计算机科学 2023-10-17 Xueyuan Lin , Chengjin Xu , Haihong E , Fenglong Su , Gengxian Zhou , Tianyi Hu , Ningyuan Li , Mingzhi Sun , Haoran Luo

Inferring missing facts in temporal knowledge graphs is a critical task and has been widely explored. Extrapolation in temporal reasoning tasks is more challenging and gradually attracts the attention of researchers since no direct history…

机器学习 · 计算机科学 2021-11-04 Mengnan Zhao , Lihe Zhang , Yuqiu Kong , Baocai Yin

AI agents need to plan to achieve complex goals that involve orchestrating perception, sub-goal decomposition, and execution. These plans consist of ordered steps structured according to a Temporal Execution Order (TEO, a directed acyclic…

人工智能 · 计算机科学 2026-02-17 Gabriel Roccabruna , Olha Khomyn , Giuseppe Riccardi

We introduce MarkupDM, a multimodal markup document model that represents graphic design as an interleaved multimodal document consisting of both markup language and images. Unlike existing holistic approaches that rely on an…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Kotaro Kikuchi , Ukyo Honda , Naoto Inoue , Mayu Otani , Edgar Simo-Serra , Kota Yamaguchi

True understanding of videos comes from a joint analysis of all its modalities: the video frames, the audio track, and any accompanying text such as closed captions. We present a way to learn a compact multimodal feature representation that…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Vivek Sharma , Makarand Tapaswi , Rainer Stiefelhagen

Multi-modal entity alignment aims to identify equivalent entities between two multi-modal Knowledge graphs by integrating multi-modal data, such as images and text, to enrich the semantic representations of entities. However, existing…

人工智能 · 计算机科学 2026-01-21 Zhifei Li , Ziyue Qin , Xiangyu Luo , Xiaoju Hou , Yue Zhao , Miao Zhang , Zhifang Huang , Kui Xiao , Bing Yang

Multi-Modal Entity Alignment aims to discover identical entities across heterogeneous knowledge graphs. While recent studies have delved into fusion paradigms to represent entities holistically, the elimination of features irrelevant to…

计算与语言 · 计算机科学 2024-07-24 Yani Huang , Xuefeng Zhang , Richong Zhang , Junfan Chen , Jaein Kim

Temporal Knowledge Graph (TKG) reasoning that forecasts future events based on historical snapshots distributed over timestamps is denoted as extrapolation and has gained significant attention. Owing to its extreme versatility and variation…

人工智能 · 计算机科学 2024-07-01 Jinchuan Zhang , Bei Hui , Chong Mu , Ling Tian

In this paper, we introduce Temporal Multiresolution Graph Neural Networks (TMGNN), the first architecture that both learns to construct the multiscale and multiresolution graph structures and incorporates the time-series signals to capture…

机器学习 · 计算机科学 2022-06-30 Truong Son Hy , Viet Bach Nguyen , Long Tran-Thanh , Risi Kondor

Multimodal foundation models (MFMs) have demonstrated significant success in tasks such as visual captioning, question answering, and image-text retrieval. However, these models face inherent limitations due to their finite internal…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Xingjian Diao , Chunhui Zhang , Weiyi Wu , Zhongyu Ouyang , Peijun Qing , Ming Cheng , Soroush Vosoughi , Jiang Gui

Universal graph pre-training has emerged as a key paradigm in graph representation learning, offering a promising way to train encoders to learn transferable representations from unlabeled graphs and to effectively generalize across a wide…

机器学习 · 计算机科学 2026-02-27 Lianze Shan , Jitao Zhao , Dongxiao He , Yongqi Huang , Zhiyong Feng , Weixiong Zhang

Answering questions that require reading texts in an image is challenging for current models. One key difficulty of this task is that rare, polysemous, and ambiguous words frequently appear in images, e.g., names of places, products, and…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Difei Gao , Ke Li , Ruiping Wang , Shiguang Shan , Xilin Chen

Session-based recommendations which predict the next action by understanding a user's interaction behavior with items within a relatively short ongoing session have recently gained increasing popularity. Previous research has focused on…

信息检索 · 计算机科学 2023-10-23 Eunkyu Oh , Taehun Kim

Knowledge Graphs, such as Wikidata, comprise structural and textual knowledge in order to represent knowledge. For each of the two modalities dedicated approaches for graph embedding and language models learn patterns that allow for…

The inherent multimodality and heterogeneous temporal structures of medical data pose significant challenges for modeling. We propose MedM2T, a time-aware multimodal framework designed to address these complexities. MedM2T integrates: (i)…

机器学习 · 计算机科学 2026-03-26 Yu-Chen Kuo , Yi-Ju Tseng