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Traditional classification tasks learn to assign samples to given classes based solely on sample features. This paradigm is evolving to include other sources of information, such as known relations between samples. Here we show that, even…

机器学习 · 计算机科学 2021-04-15 Yifan Qian , Paul Expert , Pietro Panzarasa , Mauricio Barahona

Graph neural networks have attracted wide attentions to enable representation learning of graph data in recent works. In complement to graph convolution operators, graph pooling is crucial for extracting hierarchical representation of graph…

机器学习 · 计算机科学 2020-06-22 Xing Gao , Wenrui Dai , Chenglin Li , Hongkai Xiong , Pascal Frossard

This paper presents a new approach to recognize elements in floor plan layouts. Besides walls and rooms, we aim to recognize diverse floor plan elements, such as doors, windows and different types of rooms, in the floor layouts. To this…

计算机视觉与模式识别 · 计算机科学 2019-08-30 Zhiliang Zeng , Xianzhi Li , Ying Kin Yu , Chi-Wing Fu

Representing a scanned map of the real environment as a topological structure is an important research topic in robotics. Since topological representations of maps save a huge amount of map storage space and online computing time, they are…

机器人学 · 计算机科学 2019-10-03 Jiawei Hou , Yijun Yuan , Sören Schwertfeger

Graphs are a highly expressive data structure, but it is often difficult for humans to find patterns from a complex graph. Hence, generating human-interpretable sequences from graphs have gained interest, called graph2seq learning. It is…

机器学习 · 计算机科学 2022-01-31 Takeshi D. Itoh , Takatomi Kubo , Kazushi Ikeda

Models trained on semantically related datasets and tasks exhibit comparable inter-sample relations within their latent spaces. We investigate in this study the aggregation of such latent spaces to create a unified space encompassing the…

The generalizability to new databases is of vital importance to Text-to-SQL systems which aim to parse human utterances into SQL statements. Existing works achieve this goal by leveraging the exact matching method to identify the lexical…

计算与语言 · 计算机科学 2022-08-09 Aiwei Liu , Xuming Hu , Li Lin , Lijie Wen

Building patterns are important urban structures that reflect the effect of the urban material and social-economic on a region. Previous researches are mostly based on the graph isomorphism method and use rules to recognize building…

计算机视觉与模式识别 · 计算机科学 2023-04-24 Wei Zhiwei , Xiao Yi , Tong Ying , Xu Wenjia , Wang Yang

Advances in Visually Rich Document Understanding (VrDU) have enabled information extraction and question answering over documents with complex layouts. Two tropes of architectures have emerged -- transformer-based models inspired by LLMs,…

计算与语言 · 计算机科学 2024-01-08 Dongsheng Wang , Zhiqiang Ma , Armineh Nourbakhsh , Kang Gu , Sameena Shah

A fundamental question in applying In-Context Learning (ICL) for tabular data classification is how to determine the ideal number of demonstrations in the prompt. This work addresses this challenge by presenting an algorithm to…

机器学习 · 计算机科学 2025-06-26 Shuchu Han , Wolfgang Bruckner

Graphs are versatile tools for representing structured data. As a result, a variety of machine learning methods have been studied for graph data analysis. Although many such learning methods depend on the measurement of differences between…

机器学习 · 统计学 2021-06-18 Tomoki Yoshida , Ichiro Takeuchi , Masayuki Karasuyama

Most existing feature learning methods optimize inflexible handcrafted features and the affinity matrix is constructed by shallow linear embedding methods. Different from these conventional methods, we pretrain a generative neural network…

计算机视觉与模式识别 · 计算机科学 2019-10-02 Changlu Chen , Chaoxi Niu , Xia Zhan , Kun Zhan

In many real-world scenarios (e.g., academic networks, social platforms), different types of entities are not only associated with texts but also connected by various relationships, which can be abstracted as Text-Attributed Heterogeneous…

计算与语言 · 计算机科学 2023-10-24 Tao Zou , Le Yu , Yifei Huang , Leilei Sun , Bowen Du

In this paper, we propose an end-end model for producing furniture layout for interior scene synthesis from the random vector. This proposed model is aimed to support professional interior designers to produce the interior decoration…

计算机视觉与模式识别 · 计算机科学 2020-12-17 Xinhan Di , Pengqian Yu , Danfeng Yang , Hong Zhu , Changyu Sun , YinDong Liu

Item neighbourhood methods for collaborative filtering learn a weighted graph over the set of items, where each item is connected to those it is most similar to. The prediction of a user's rating on an item is then given by that rating of…

机器学习 · 计算机科学 2012-06-22 Aaron Defazio , Tiberio Caetano

This study proposes a methodology to utilize machine learning (ML) for topology optimization of periodic lattice structures. In particular, we investigate data representation of lattice structures used as input data for ML models to improve…

最优化与控制 · 数学 2024-11-22 Tomoya Matsuoka , Makoto Ohsaki , Kazuki Hayashi

We introduce a new scene graph generation method called image-level attentional context modeling (ILAC). Our model includes an attentional graph network that effectively propagates contextual information across the graph using image-level…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Guillaume Jaume , Behzad Bozorgtabar , Hazim Kemal Ekenel , Jean-Philippe Thiran , Maria Gabrani

Spatiotemporal graph neural networks have shown to be effective in time series forecasting applications, achieving better performance than standard univariate predictors in several settings. These architectures take advantage of a graph…

机器学习 · 计算机科学 2023-11-13 Andrea Cini , Ivan Marisca , Daniele Zambon , Cesare Alippi

We present a novel hierarchical triplet loss (HTL) capable of automatically collecting informative training samples (triplets) via a defined hierarchical tree that encodes global context information. This allows us to cope with the main…

计算机视觉与模式识别 · 计算机科学 2018-10-17 Weifeng Ge , Weilin Huang , Dengke Dong , Matthew R. Scott

Short-term demand forecasting models commonly combine convolutional and recurrent layers to extract complex spatiotemporal patterns in data. Long-term histories are also used to consider periodicity and seasonality patterns as time series…

机器学习 · 计算机科学 2019-10-15 Doyup Lee , Suehun Jung , Yeongjae Cheon , Dongil Kim , Seungil You