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Bibliographic Details
Main Authors:	Xu, Yiming, Peng, Zhen, Shi, Bin, Hua, Xu, Dong, Bo, Wang, Song, Chen, Chen
Format:	Preprint
Published:	2025
Subjects:	Machine Learning
Online Access:	https://arxiv.org/abs/2507.14677
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Learning Dynamic Graph Representations through Timespan View Contrasts
by: Xu, Yiming, et al.
Published: (2026)

Generalist Graph Anomaly Detection via Prototype-Based Distillation
by: Xu, Yiming, et al.
Published: (2026)

Court of LLMs: Evidence-Augmented Generation via Multi-LLM Collaboration for Text-Attributed Graph Anomaly Detection
by: Xu, Yiming, et al.
Published: (2025)

Out-of-Distribution Generalization on Graphs via Progressive Inference
by: Xu, Yiming, et al.
Published: (2025)

CLDG: Contrastive Learning on Dynamic Graphs
by: Xu, Yiming, et al.
Published: (2024)

Rethinking Contrastive Learning in Graph Anomaly Detection: A Clean-View Perspective
by: Jin, Di, et al.
Published: (2025)

Revisiting Modularity Maximization for Graph Clustering: A Contrastive Learning Perspective
by: Liu, Yunfei, et al.
Published: (2024)

Imbalanced Graph-Level Anomaly Detection via Counterfactual Augmentation and Feature Learning
by: Wang, Zitong, et al.
Published: (2024)

Dynamic Graph-Like Learning with Contrastive Clustering on Temporally-Factored Ship Motion Data for Imbalanced Sea State Estimation in Autonomous Vessel
by: Wang, Kexin, et al.
Published: (2025)

A Survey of Quantized Graph Representation Learning: Connecting Graph Structures with Large Language Models
by: Lin, Qika, et al.
Published: (2025)

Contrast to Detect: Dynamic Graph Contrastive Regularization for Unsupervised Anomaly Detection in Multivariate Time Series
by: Pei, Yunhua, et al.
Published: (2026)

GLADformer: A Mixed Perspective for Graph-level Anomaly Detection
by: Xu, Fan, et al.
Published: (2024)

Molecular Graph Contrastive Learning with Line Graph
by: Chen, Xueyuan, et al.
Published: (2025)

VGFL-SA: Vertical Graph Federated Learning Structure Attack Based on Contrastive Learning
by: Chen, Yang, et al.
Published: (2025)

Reconciling Attribute and Structural Anomalies for Improved Graph Anomaly Detection
by: Xiao, Chunjing, et al.
Published: (2025)

How does Labeling Error Impact Contrastive Learning? A Perspective from Data Dimensionality Reduction
by: Chen, Jun, et al.
Published: (2025)

EAGLE: Contrastive Learning for Efficient Graph Anomaly Detection
by: Ren, Jing, et al.
Published: (2025)

Unsupervised Continual Anomaly Detection with Contrastively-learned Prompt
by: Liu, Jiaqi, et al.
Published: (2024)

Deep Graph Anomaly Detection: A Survey and New Perspectives
by: Qiao, Hezhe, et al.
Published: (2024)

How to Use Graph Data in the Wild to Help Graph Anomaly Detection?
by: Cao, Yuxuan, et al.
Published: (2025)

Negatives-Dominant Contrastive Learning for Generalization in Imbalanced Domains
by: Cao, Meng, et al.
Published: (2026)

Revisiting VAE for Unsupervised Time Series Anomaly Detection: A Frequency Perspective
by: Wang, Zexin, et al.
Published: (2024)

Fair Anomaly Detection For Imbalanced Groups
by: Wu, Ziwei, et al.
Published: (2024)

Str-GCL: Structural Commonsense Driven Graph Contrastive Learning
by: He, Dongxiao, et al.
Published: (2025)

From Unsupervised to Few-shot Graph Anomaly Detection: A Multi-scale Contrastive Learning Approach
by: Zheng, Yu, et al.
Published: (2022)

Graph Evidential Learning for Anomaly Detection
by: Wei, Chunyu, et al.
Published: (2025)

PROTOCOL: Partial Optimal Transport-enhanced Contrastive Learning for Imbalanced Multi-view Clustering
by: Xue, Xuqian, et al.
Published: (2025)

KnowGraph: Knowledge-Enabled Anomaly Detection via Logical Reasoning on Graph Data
by: Zhou, Andy, et al.
Published: (2024)

Graph Contrastive Invariant Learning from the Causal Perspective
by: Mo, Yanhu, et al.
Published: (2024)

DACR: Distribution-Augmented Contrastive Reconstruction for Time-Series Anomaly Detection
by: Wang, Lixu, et al.
Published: (2024)

Revisiting Reinforcement Learning with Verifiable Rewards from a Contrastive Perspective
by: Zhang, Feng, et al.
Published: (2026)

Mixed Supervised Graph Contrastive Learning for Recommendation
by: Zhang, Weizhi, et al.
Published: (2024)

Rethinking Dimensional Rationale in Graph Contrastive Learning from Causal Perspective
by: Ji, Qirui, et al.
Published: (2023)

Prototype-based Heterogeneous Federated Learning for Blade Icing Detection in Wind Turbines with Class Imbalanced Data
by: Qi, Lele, et al.
Published: (2025)

Harnessing Contrastive Learning and Neural Transformation for Time Series Anomaly Detection
by: Chen, Katrina, et al.
Published: (2023)

Homophily-aware Heterogeneous Graph Contrastive Learning
by: Wang, Haosen, et al.
Published: (2025)

Revisiting Graph Autoencoders as Implicit Contrastive Learners
by: Li, Jintang, et al.
Published: (2024)

Graph Neural Networks Are More Than Filters: Revisiting and Benchmarking from A Spectral Perspective
by: Dong, Yushun, et al.
Published: (2024)

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// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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