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Constructing taxonomies from citation graphs is essential for organizing scientific knowledge, facilitating literature reviews, and identifying emerging research trends. However, manual taxonomy construction is labor-intensive,…

Computation and Language · Computer Science 2025-02-28 Yuntong Hu , Zhuofeng Li , Zheng Zhang , Chen Ling , Raasikh Kanjiani , Boxin Zhao , Liang Zhao

Most real-world graphs exhibit a hierarchical structure, which is often overlooked by existing graph generation methods. To address this limitation, we propose a novel graph generative network that captures the hierarchical nature of graphs…

Machine Learning · Computer Science 2026-01-01 Mahdi Karami

In semi-supervised learning, methods that rely on confidence learning to generate pseudo-labels have been widely proposed. However, increasing research finds that when faced with noisy and biased data, the model's representation network is…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Yanbiao Ma , Licheng Jiao , Fang Liu , Lingling Li , Shuyuan Yang , Xu Liu

We propose a novel document generation process based on hierarchical latent tree models (HLTMs) learned from data. An HLTM has a layer of observed word variables at the bottom and multiple layers of latent variables on top. For each…

Computation and Language · Computer Science 2019-07-01 Peixian Chen , Zhourong Chen , Nevin L. Zhang

Training deep learning models with limited labelled data is an attractive scenario for many NLP tasks, including document classification. While with the recent emergence of BERT, deep learning language models can achieve reasonably good…

Computation and Language · Computer Science 2021-06-15 Jinghui Lu , Maeve Henchion , Ivan Bacher , Brian Mac Namee

Compared with standard text, understanding dialogue is more challenging for machines as the dynamic and unexpected semantic changes in each turn. To model such inconsistent semantics, we propose a simple but effective Hierarchical Dialogue…

Computation and Language · Computer Science 2023-05-02 Xiao Liu , Jian Zhang , Heng Zhang , Fuzhao Xue , Yang You

We consider the problem of learning efficient and inductive graph convolutional networks for text classification with a large number of examples and features. Existing state-of-the-art graph embedding based methods such as predictive text…

Computation and Language · Computer Science 2020-09-01 Rahul Ragesh , Sundararajan Sellamanickam , Arun Iyer , Ram Bairi , Vijay Lingam

By assigning each relationship a single label, current approaches formulate the relationship detection as a classification problem. Under this formulation, predicate categories are treated as completely different classes. However, different…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Yi Zhou , Shuyang Sun , Chao Zhang , Yikang Li , Wanli Ouyang

Representing documents into high dimensional embedding space while preserving the structural similarity between document sources has been an ultimate goal for many works on text representation learning. Current embedding models, however,…

Computation and Language · Computer Science 2023-10-31 Iftitahu Ni'mah , Samaneh Khoshrou , Vlado Menkovski , Mykola Pechenizkiy

Text classification plays an important role in many practical applications. In the real world, there are extremely small datasets. Most existing methods adopt pre-trained neural network models to handle this kind of dataset. However, these…

Computation and Language · Computer Science 2022-06-27 Jiajun Tong , Zhixiao Wang , Xiaobin Rui

Knowledge present in a domain is well expressed as relationships between corresponding concepts. For example, in zoology, animal species form complex hierarchies; in genomics, the different (parts of) molecules are organized in groups and…

Machine Learning · Computer Science 2021-07-08 Lu Yin , Vlado Menkovski , Mykola Pechenizkiy

Label hierarchies are often available apriori as part of biological taxonomy or language datasets WordNet. Several works exploit these to learn hierarchy aware features in order to improve the classifier to make semantically meaningful…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Ashima Garg , Depanshu Sani , Saket Anand

Continual learning (CL) enables models to adapt to new tasks and environments without forgetting previously learned knowledge. While current CL setups have ignored the relationship between labels in the past task and the new task with or…

Machine Learning · Computer Science 2023-08-29 Byung Hyun Lee , Okchul Jung , Jonghyun Choi , Se Young Chun

This study proposes a text classification algorithm based on large language models, aiming to address the limitations of traditional methods in capturing long-range dependencies, understanding contextual semantics, and handling class…

Computation and Language · Computer Science 2025-12-11 Ning Lyu , Yuxi Wang , Feng Chen , Qingyuan Zhang

High Definition (HD) maps are maps with precise definitions of road lanes with rich semantics of the traffic rules. They are critical for several key stages in an autonomous driving system, including motion forecasting and planning.…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Lu Mi , Hang Zhao , Charlie Nash , Xiaohan Jin , Jiyang Gao , Chen Sun , Cordelia Schmid , Nir Shavit , Yuning Chai , Dragomir Anguelov

Cross-lingual text classification aims at training a classifier on the source language and transferring the knowledge to target languages, which is very useful for low-resource languages. Recent multilingual pretrained language models…

Computation and Language · Computer Science 2021-05-25 Ziyun Wang , Xuan Liu , Peiji Yang , Shixing Liu , Zhisheng Wang

Recent large language models have shifted SVG generation from differentiable rendering optimization to autoregressive program synthesis. However, existing approaches still rely on generic byte-level tokenization inherited from natural…

Machine Learning · Computer Science 2026-04-13 Ximing Xing , Ziteng Xue , Zhenxi Li , Weicong Liang , Linqing Wang , Zhantao Yang , Tiankai Hang , Zijin Yin , Qinglin Lu , Chunyu Wang , Qian Yu

This paper presents a novel knowledge distillation method for dialogue sequence labeling. Dialogue sequence labeling is a supervised learning task that estimates labels for each utterance in the target dialogue document, and is useful for…

Computation and Language · Computer Science 2021-11-23 Shota Orihashi , Yoshihiro Yamazaki , Naoki Makishima , Mana Ihori , Akihiko Takashima , Tomohiro Tanaka , Ryo Masumura

Modern deep neural networks remain challenging to interpret due to the opacity of their latent representations, impeding model understanding, debugging, and debiasing. Concept Embedding Models (CEMs) address this by mapping inputs to…

Machine Learning · Computer Science 2026-03-02 Oscar Hill , Mateo Espinosa Zarlenga , Mateja Jamnik

State-of-the-art approaches to spelling error correction problem include Transformer-based Seq2Seq models, which require large training sets and suffer from slow inference time; and sequence labeling models based on Transformer encoders…

Computation and Language · Computer Science 2021-09-30 Mengyi Gao , Canran Xu , Peng Shi