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- short-paperDecember 2024
DANTE: Determining Adaptation trajectories in biological Networks Through Evolutionary mapping
BCB '24: Proceedings of the 15th ACM International Conference on Bioinformatics, Computational Biology and Health InformaticsArticle No.: 52, Pages 1–6https://doi.org/10.1145/3698587.3701499Biological networks are dynamic structures. They continuously evolve by rewiring their interactions. These rewirings happen at different rates for different cells, and the rates can change over time, yet we can only observe the cell at a limited number ...
- research-articleOctober 2024
Cuckoo Search Optimization-Based Influence Maximization in Dynamic Social Networks
ACM Transactions on the Web (TWEB), Volume 18, Issue 4Article No.: 49, Pages 1–25https://doi.org/10.1145/3690644Online social networks are crucial in propagating information and exerting influence through word-of-mouth transmission. Influence maximization (IM) is the fundamental task in social network analysis to find the group of nodes that maximizes the influence ...
- research-articleOctober 2024
DCDIMB: Dynamic Community-based Diversified Influence Maximization using Bridge Nodes
ACM Transactions on the Web (TWEB), Volume 18, Issue 4Article No.: 47, Pages 1–32https://doi.org/10.1145/3664618Influence maximization (IM) is the fundamental study of social network analysis. The IM problem finds the top k nodes that have maximum influence in the network. Most of the studies in IM focus on maximizing the number of activated nodes in the static ...
- research-articleAugust 2024
Optimisation of sparse deep autoencoders for dynamic network embedding
CAAI Transactions on Intelligence Technology (CIT2), Volume 9, Issue 6Pages 1361–1376https://doi.org/10.1049/cit2.12367AbstractNetwork embedding (NE) tries to learn the potential properties of complex networks represented in a low‐dimensional feature space. However, the existing deep learning‐based NE methods are time‐consuming as they need to train a dense architecture ...
- research-articleJuly 2024
Anomaly Detection in Dynamic Graphs: A Comprehensive Survey
ACM Transactions on Knowledge Discovery from Data (TKDD), Volume 18, Issue 8Article No.: 192, Pages 1–44https://doi.org/10.1145/3669906This survey article presents a comprehensive and conceptual overview of anomaly detection (AD) using dynamic graphs. We focus on existing graph-based AD techniques and their applications to dynamic networks. The contributions of this survey article ...
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- research-articleSeptember 2024
Adaptive networks driven by partner choice can facilitate coordination among humans in the graph coloring game: Evidence from a network experiment
Collective Intelligence (COLA), Volume 3, Issue 3https://doi.org/10.1177/26339137241285901BackgroundMany instances of coordination problems in social networks can be characterized by the well-known graph coloring game—a task in which agents are incentivized to choose an attribute, represented by a color, to be different from linked neighbors. ...
- short-paperJune 2024
Keynote: Time is not a Healer: Before and After
PODC '24: Proceedings of the 43rd ACM Symposium on Principles of Distributed ComputingPage 1https://doi.org/10.1145/3662158.3664932Distributed computing has been concerned with the topics of faults and failures from its very beginning (before PODC was born). The consensus problem was at the forefront of the research efforts, and an extensive body of literature on the subject was ...
- research-articleJune 2024
- research-articleApril 2024
Evaluating Deep Learning Recommendation Model Training Scalability with the Dynamic Opera Network
EuroMLSys '24: Proceedings of the 4th Workshop on Machine Learning and SystemsPages 169–175https://doi.org/10.1145/3642970.3655825Deep learning is commonly used to make personalized recommendations to users for a wide variety of activities. However, deep learning recommendation model (DLRM) training is increasingly dominated by all-to-all and many-to-many communication patterns. ...
- research-articleJanuary 2024
BehaviorNet: A Fine-grained Behavior-aware Network for Dynamic Link Prediction
ACM Transactions on the Web (TWEB), Volume 18, Issue 2Article No.: 25, Pages 1–26https://doi.org/10.1145/3580514Dynamic link prediction has become a trending research subject because of its wide applications in the web, sociology, transportation, and bioinformatics. Currently, the prevailing approach for dynamic link prediction is based on graph neural networks, in ...
- research-articleJanuary 2024
Community-enhanced Link Prediction in Dynamic Networks
ACM Transactions on the Web (TWEB), Volume 18, Issue 2Article No.: 24, Pages 1–32https://doi.org/10.1145/3580513The growing popularity of online social networks is quite evident nowadays and provides an opportunity to allow researchers in finding solutions for various practical applications. Link prediction is the technique of understanding network structure and ...
- research-articleSeptember 2023
On Predicting ESG Ratings Using Dynamic Company Networks
ACM Transactions on Management Information Systems (TMIS), Volume 14, Issue 3Article No.: 27, Pages 1–34https://doi.org/10.1145/3607874Environmental, social and governance (ESG) considerations play an increasingly important role due to the growing focus on sustainability globally. Entities, such as banks and investors, utilize ESG ratings of companies issued by specialized rating ...
- research-articleAugust 2023
Fairness-Aware Continuous Predictions of Multiple Analytics Targets in Dynamic Networks
KDD '23: Proceedings of the 29th ACM SIGKDD Conference on Knowledge Discovery and Data MiningPages 1512–1523https://doi.org/10.1145/3580305.3599341We study a novel problem of continuously predicting a number of user-subscribed continuous analytics targets (CATs) in dynamic networks. Our architecture includes any dynamic graph neural network model as the back end applied over the network data, and ...
- research-articleJuly 2023
Dynamic Mixed Membership Stochastic Block Model for Weighted Labeled Networks
SIGIR '23: Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information RetrievalPages 1569–1577https://doi.org/10.1145/3539618.3591675Most real-world networks evolve over time. Existing literature proposes models for dynamic networks that are either unlabeled or assumed to have a single membership structure. On the other hand, a new family of Mixed Membership Stochastic Block Models (...
- research-articleMay 2023
Emergence of Cooperation on Networks
AAMAS '23: Proceedings of the 2023 International Conference on Autonomous Agents and Multiagent SystemsPages 2934–2936The emergence of cooperation is a major question in game theory and one under-studied aspect is the effects of networks on the emergent behaviour. My PhD asks this question over multiple collaborations and projects, using methodologies from (evolutionary)...
- research-articleJuly 2022
On the Effect of Triadic Closure on Network Segregation
EC '22: Proceedings of the 23rd ACM Conference on Economics and ComputationPages 249–284https://doi.org/10.1145/3490486.3538322The tendency for individuals to form social ties with others who are similar to themselves, known as homophily, is one of the most robust sociological principles. Since this phenomenon can lead to patterns of interactions that segregate people along ...
- posterJune 2022
Poster: Toward Dynamic, Session-Preserving, Transition from Low to High Interaction Honeypots
SACMAT '22: Proceedings of the 27th ACM on Symposium on Access Control Models and TechnologiesPages 255–257https://doi.org/10.1145/3532105.3535035Honeypots are technologies aimed at thwarting adversaries by instituting attractive services that are inconsequential to the legitimate objectives of a network. Low-interaction honeypots are lightweight, but provide a limited representation of real ...
- short-paperAugust 2022
Analytical Models for Motifs in Temporal Networks
WWW '22: Companion Proceedings of the Web Conference 2022Pages 903–909https://doi.org/10.1145/3487553.3524669Dynamic evolving networks capture temporal relations in domains such as social networks, communication networks, and financial transaction networks. In such networks, temporal motifs, which are repeated sequences of time-stamped edges/transactions, ...
- research-articleFebruary 2022
On Generalizing Static Node Embedding to Dynamic Settings
WSDM '22: Proceedings of the Fifteenth ACM International Conference on Web Search and Data MiningPages 410–420https://doi.org/10.1145/3488560.3498428Temporal graph embedding has been widely studied thanks to its superiority in tasks such as prediction and recommendation. Despite the advances in algorithms and novel frameworks such as deep learning, there has been relatively little work on ...
- research-articleJanuary 2022
Pruning digital contact networks for meso-scale epidemic surveillance using foursquare data
ASONAM '21: Proceedings of the 2021 IEEE/ACM International Conference on Advances in Social Networks Analysis and MiningPages 423–430https://doi.org/10.1145/3487351.3490971With the recent advances in human sensing, the push to integrate human mobility tracking with epidemic modeling highlights the lack of groundwork at the mesoscale (e.g., city-level) for both contact tracing and transmission dynamics. Although GPS data ...