1 code implementation • spnlp (ACL) 2022 • Guirong Fu, Zhao Meng, Zhen Han, Zifeng Ding, Yunpu Ma, Matthias Schubert, Volker Tresp, Roger Wattenhofer
In this paper, we tackle the temporal knowledge graph completion task by proposing TempCaps, which is a Capsule network-based embedding model for Temporal knowledge graph completion.
no code implementations • EMNLP 2021 • Zhen Han, Zifeng Ding, Yunpu Ma, Yujia Gu, Volker Tresp
In addition, a novel graph transition layer is applied to capture the transitions on the dynamic graph, i. e., edge formation and dissolution.
no code implementations • EMNLP 2021 • Zhen Han, Gengyuan Zhang, Yunpu Ma, Volker Tresp
Various temporal knowledge graph (KG) completion models have been proposed in the recent literature.
no code implementations • 3 Jun 2023 • Shuo Chen, Jindong Gu, Zhen Han, Yunpu Ma, Philip Torr, Volker Tresp
In this study, we assess the robustness of 11 widely-used adaptation methods across 4 vision-language datasets under multimodal corruptions.
no code implementations • 2 Apr 2023 • Zifeng Ding, Jingpei Wu, Zongyue Li, Yunpu Ma, Volker Tresp
Most previous TKGC methods only consider predicting the missing links among the entities seen in the training set, while they are unable to achieve great performance in link prediction concerning newly-emerged unseen entities.
no code implementations • 15 Nov 2022 • Zifeng Ding, Jingpei Wu, Bailan He, Yunpu Ma, Zhen Han, Volker Tresp
Similar problem exists in temporal knowledge graphs (TKGs), and no previous temporal knowledge graph completion (TKGC) method is developed for modeling newly-emerged entities.
no code implementations • 12 Aug 2022 • Zifeng Ding, Ruoxia Qi, Zongyue Li, Bailan He, Jingpei Wu, Yunpu Ma, Zhao Meng, Zhen Han, Volker Tresp
To this end, we propose ForecastTKGQA, a TKGQA model that employs a TKG forecasting module for future inference, to answer all three types of questions.
no code implementations • 21 May 2022 • Zifeng Ding, Bailan He, Yunpu Ma, Zhen Han, Volker Tresp
In this paper, we follow the previous work that focuses on few-shot relational learning on static KGs and extend two fundamental TKG reasoning tasks, i. e., interpolated and extrapolated link prediction, to the one-shot setting.
no code implementations • 24 Apr 2022 • Feifei Xu, Shanlin Zhou, Xinpeng Wang, Yunpu Ma, Wenkai Zhang, Zhisong Li
To merge these two forms of knowledge into the dialogue effectively, we design a dynamic virtual knowledge selector and a controller that help to enrich and expand knowledge space.
1 code implementation • 15 Dec 2021 • Yushan Liu, Yunpu Ma, Marcel Hildebrandt, Mitchell Joblin, Volker Tresp
Conventional static knowledge graphs model entities in relational data as nodes, connected by edges of specific relation types.
no code implementations • 14 Dec 2021 • Zifeng Ding, Yunpu Ma, Bailan He, Volker Tresp
Knowledge graphs contain rich knowledge about various entities and the relational information among them, while temporal knowledge graphs (TKGs) describe and model the interactions of the entities over time.
no code implementations • 27 Oct 2021 • Christian M. M. Frey, Yunpu Ma, Matthias Schubert
In temporal Knowledge Graphs (tKGs), the temporal dimension is attached to facts in a knowledge base resulting in quadruples between entities such as (Nintendo, released, Super Mario, Sep-13-1985), where the predicate holds within a time interval or at a timestamp.
no code implementations • 20 Oct 2021 • Christian M. M. Frey, Yunpu Ma, Matthias Schubert
Intuitively, by increasing the number of experts, the models gain in expressiveness such that a node's representation is solely based on nodes that are located within the receptive field of an expert.
1 code implementation • 17 Oct 2021 • Zai Shi, Zhao Meng, Yiran Xing, Yunpu Ma, Roger Wattenhofer
3D-RETR is capable of 3D reconstruction from a single view or multiple views.
no code implementations • 27 Sep 2021 • Volker Tresp, Sahand Sharifzadeh, Hang Li, Dario Konopatzki, Yunpu Ma
Although memory appears to be about the past, its main purpose is to support the agent in the present and the future.
1 code implementation • EMNLP 2021 • Haohai Sun, Jialun Zhong, Yunpu Ma, Zhen Han, Kun He
Compared with the completion task, the forecasting task is more difficult that faces two main challenges: (1) how to effectively model the time information to handle future timestamps?
no code implementations • 10 Aug 2021 • Yao Zhang, Yunpu Ma, Thomas Seidl, Volker Tresp
Transformers have improved the state-of-the-art across numerous tasks in sequence modeling.
1 code implementation • 13 Jan 2021 • Zhen Han, Zifeng Ding, Yunpu Ma, Yujia Gu, Volker Tresp
In addition, a novel graph transition layer is applied to capture the transitions on the dynamic graph, i. e., edge formation and dissolution.
no code implementations • 5 Jan 2021 • Zhuang Liu, Yunpu Ma, Yuanxin Ouyang, Zhang Xiong
To solve this problem, we propose a graph contrastive learning module for a general recommender system that learns the embeddings in a self-supervised manner and reduces the randomness of message dropout.
1 code implementation • ACL 2021 • Yiran Xing, Zai Shi, Zhao Meng, Gerhard Lakemeyer, Yunpu Ma, Roger Wattenhofer
We present Knowledge Enhanced Multimodal BART (KM-BART), which is a Transformer-based sequence-to-sequence model capable of reasoning about commonsense knowledge from multimodal inputs of images and texts.
no code implementations • ICLR 2021 • Zhen Han, Peng Chen, Yunpu Ma, Volker Tresp
We evaluate our model on four benchmark temporal knowledge graphs for the link forecasting task.
1 code implementation • 31 Dec 2020 • Zhen Han, Peng Chen, Yunpu Ma, Volker Tresp
We evaluate our model on four benchmark temporal knowledge graphs for the link forecasting task.
1 code implementation • EMNLP 2020 • Zhen Han, Yunpu Ma, Peng Chen, Volker Tresp
Product manifolds enable our approach to better reflect a wide variety of geometric structures on temporal KGs.
1 code implementation • 11 Oct 2020 • Feifei Xu, Xinpeng Wang, Yunpu Ma, Volker Tresp, Yuyi Wang, Shanlin Zhou, Haizhou Du
In our work, we aim to design an emotional line for each character that considers multiple emotions common in psychological theories, with the goal of generating stories with richer emotional changes in the characters.
1 code implementation • 2 Jul 2020 • Zhiliang Wu, Yinchong Yang, Yunpu Ma, Yushan Liu, Rui Zhao, Michael Moor, Volker Tresp
Randomized controlled trials typically analyze the effectiveness of treatments with the goal of making treatment recommendations for patient subgroups.
1 code implementation • AKBC 2020 • Zhen Han, Yunpu Ma, Yuyi Wang, Stephan Günnemann, Volker Tresp
The Hawkes process has become a standard method for modeling self-exciting event sequences with different event types.
no code implementations • 20 Feb 2020 • Yunpu Ma, Volker Tresp
After deriving causal effect estimators, we further study intervention policy improvement on the graph under capacity constraint.
no code implementations • 29 Jan 2020 • Volker Tresp, Sahand Sharifzadeh, Dario Konopatzki, Yunpu Ma
In particular, we propose that explicit perception and declarative memories require a semantic decoder, which, in a simple realization, is based on four layers: First, a sensory memory layer, as a buffer for sensory input, second, an index layer representing concepts, third, a memoryless representation layer for the broadcasting of information ---the "blackboard", or the "canvas" of the brain--- and fourth, a working memory layer as a processing center and data buffer.
no code implementations • 9 Jan 2020 • Marcel Hildebrandt, Jorge Andres Quintero Serna, Yunpu Ma, Martin Ringsquandl, Mitchell Joblin, Volker Tresp
The underlying idea is to frame the task of triple classification as a debate game between two reinforcement learning agents which extract arguments -- paths in the knowledge graph -- with the goal to justify the fact being true (thesis) or the fact being false (antithesis), respectively.
no code implementations • 4 Jan 2020 • Yunpu Ma, Volker Tresp
We simplify the problem by making a plausible assumption that the tensor representation of a knowledge graph can be approximated by its low-rank tensor singular value decomposition, which is verified by our experiments.
2 code implementations • 2 Jan 2020 • Marcel Hildebrandt, Jorge Andres Quintero Serna, Yunpu Ma, Martin Ringsquandl, Mitchell Joblin, Volker Tresp
The main idea is to frame the task of triple classification as a debate game between two reinforcement learning agents which extract arguments -- paths in the knowledge graph -- with the goal to promote the fact being true (thesis) or the fact being false (antithesis), respectively.
no code implementations • 19 Feb 2019 • Yunpu Ma, Volker Tresp, Liming Zhao, Yuyi Wang
In this work, we propose the first quantum Ans\"atze for the statistical relational learning on knowledge graphs using parametric quantum circuits.
no code implementations • 1 Sep 2018 • Stephan Baier, Yunpu Ma, Volker Tresp
In this paper we consider scene descriptions which are represented as a set of triples (subject, predicate, object), where each triple consists of a pair of visual objects, which appear in the image, and the relationship between them (e. g. man-riding-elephant, man-wearing-hat).
no code implementations • 27 Aug 2018 • Stephan Baier, Yunpu Ma, Volker Tresp
Many applications require an understanding of an image that goes beyond the simple detection and classification of its objects.
no code implementations • 30 Jun 2018 • Yunpu Ma, Volker Tresp, Erik Daxberger
In this paper, we extend models for static knowledge graphs to temporal knowledge graphs.
no code implementations • 9 Aug 2017 • Volker Tresp, Yunpu Ma
We show how episodic memory and semantic memory can be realized and discuss how new memory traces can be generated from sensory input: Existing memories are the basis for perception and new memories are generated via perception.