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Recently, neural models pretrained on a language modeling task, such as ELMo (Peters et al., 2017), OpenAI GPT (Radford et al., 2018), and BERT (Devlin et al., 2018), have achieved impressive results on various natural language processing…

信息检索 · 计算机科学 2020-04-15 Rodrigo Nogueira , Kyunghyun Cho

Graph Neural Networks (GNNs) have made significant advancements in node classification, but their success relies on sufficient labeled nodes per class in the training data. Real-world graph data often exhibits a long-tail distribution with…

机器学习 · 计算机科学 2025-07-01 Qilong Yan , Yufeng Zhang , Jinghao Zhang , Jingpu Duan , Jian Yin

Visual Object Tracking (VOT) has synchronous needs for both robustness and accuracy. While most existing works fail to operate simultaneously on both, we investigate in this work the problem of conflicting performance between accuracy and…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Jinghao Zhou , Bo Li , Lei Qiao , Peng Wang , Weihao Gan , Wei Wu , Junjie Yan , Wanli Ouyang

Knowledge graphs (KGs) play a vital role in enhancing search results and recommendation systems. With the rapid increase in the size of the KGs, they are becoming inaccuracy and incomplete. This problem can be solved by the knowledge graph…

机器学习 · 计算机科学 2024-08-06 Wanxu Wei , Yitong Song , Bin Yao

Link prediction in structured-data is an important problem for many applications, especially for recommendation systems. Existing methods focus on how to learn the node representation based on graph-based structure. High-dimensional sparse…

社会与信息网络 · 计算机科学 2021-12-28 Yifei Zhao , Mingdong Ou , Rongzhi Zhang , Meng Li

Processing data on multiple interacting graphs is crucial for many applications, but existing approaches rely mostly on discrete filtering or first-order continuous models, dampening high frequencies and slow information propagation. In…

机器学习 · 计算机科学 2025-09-17 Aref Einizade , Fragkiskos D. Malliaros , Jhony H. Giraldo

The reconstruction of particle trajectories is a key challenge of particle physics experiments, as it directly impacts particle identification and physics performances while also representing one of the main CPU consumers of many…

高能物理 - 实验 · 物理学 2023-12-11 Corentin Allaire , Françoise Bouvet , Hadrien Grasland , David Rousseau

Transformer neural networks, particularly Bidirectional Encoder Representations from Transformers (BERT), have shown remarkable performance across various tasks such as classification, text summarization, and question answering. However,…

机器学习 · 计算机科学 2025-02-18 Matteo Bonino , Giorgia Ghione , Giansalvo Cirrincione

Political scientists often grapple with data scarcity in text classification. Recently, fine-tuned BERT models and their variants have gained traction as effective solutions to address this issue. In this study, we investigate the potential…

计算与语言 · 计算机科学 2024-11-11 Yu Wang , Wen Qu , Xin Ye

Gradient tracking (GT) is an algorithm designed for solving decentralized optimization problems over a network (such as training a machine learning model). A key feature of GT is a tracking mechanism that allows to overcome data…

最优化与控制 · 数学 2023-01-05 Yue Liu , Tao Lin , Anastasia Koloskova , Sebastian U. Stich

We apply an information-theoretic perspective to reconsider generative document retrieval (GDR), in which a document $x \in X$ is indexed by $t \in T$, and a neural autoregressive model is trained to map queries $Q$ to $T$. GDR can be…

信息检索 · 计算机科学 2024-05-22 Xin Du , Lixin Xiu , Kumiko Tanaka-Ishii

Automated scoring of open-ended student responses has the potential to significantly reduce human grader effort. Recent advances in automated scoring often leverage textual representations based on pre-trained language models such as BERT…

机器学习 · 计算机科学 2023-06-16 Nigel Fernandez , Aritra Ghosh , Naiming Liu , Zichao Wang , Benoît Choffin , Richard Baraniuk , Andrew Lan

We propose a new Named entity recognition (NER) method to effectively make use of the results of Part-of-speech (POS) tagging, Chinese word segmentation (CWS) and parsing while avoiding NER error caused by POS tagging error. This paper…

计算与语言 · 计算机科学 2021-01-28 Xiao Fu , Guijun Zhang

Text classification problem is a very broad field of study in the field of natural language processing. In short, the text classification problem is to determine which of the previously determined classes the given text belongs to.…

计算与语言 · 计算机科学 2021-12-28 D. Emre Taşar , Şükrü Ozan , M. Fatih Akca , Oğuzhan Ölmez , Semih Gülüm , Seçilay Kutal , Ceren Belhan

We present our solution to Landmark Image Retrieval Challenge 2019. This challenge was based on the large Google Landmarks Dataset V2[9]. The goal was to retrieve all database images containing the same landmark for every provided query…

计算机视觉与模式识别 · 计算机科学 2019-06-13 Cheng Chang , Himanshu Rai , Satya Krishna Gorti , Junwei Ma , Chundi Liu , Guangwei Yu , Maksims Volkovs

In this work, we address the NER problem by splitting it into two logical sub-tasks: (1) Span Detection which simply extracts entity mention spans irrespective of entity type; (2) Span Classification which classifies the spans into their…

计算与语言 · 计算机科学 2023-11-01 Jatin Arora , Youngja Park

In this work, we propose BertGCN, a model that combines large scale pretraining and transductive learning for text classification. BertGCN constructs a heterogeneous graph over the dataset and represents documents as nodes using BERT…

计算与语言 · 计算机科学 2022-03-22 Yuxiao Lin , Yuxian Meng , Xiaofei Sun , Qinghong Han , Kun Kuang , Jiwei Li , Fei Wu

Competitive programming remains a very popular activity that combines both software engineering and education. In order to prepare and to practice, contestants use extensive archives of problems from past contents available on various…

软件工程 · 计算机科学 2023-01-12 Artyom Lobanov , Egor Bogomolov , Yaroslav Golubev , Mikhail Mirzayanov , Timofey Bryksin

The 2024 PACE Challenge focused on the One-Sided Crossing Minimization (OCM) problem, which aims to minimize edge crossings in a bipartite graph with a fixed order in one partition and a free order in the other. We describe our OCM solver…

数据结构与算法 · 计算机科学 2024-11-28 Kimon Boehmer , Lukas Lee George , Fanny Hauser , Jesse Palarus

An emerging recipe for achieving state-of-the-art effectiveness in neural document re-ranking involves utilizing large pre-trained language models - e.g., BERT - to evaluate all individual passages in the document and then aggregating the…

信息检索 · 计算机科学 2021-05-21 Sebastian Hofstätter , Bhaskar Mitra , Hamed Zamani , Nick Craswell , Allan Hanbury