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- research-articleOctober 2024JUST ACCEPTED
DeMEtRIS: Counting (near)-Cliques by Crawling
ACM Transactions on Intelligent Systems and Technology (TIST), Just Accepted https://doi.org/10.1145/3699517We study the problem of approximately counting cliques and near cliques in a graph, where the access to the graph is only available through crawling its vertices. This model has been introduced recently to capture real-life scenarios in which the entire ...
- research-articleAugust 2024
Fast Computation of Kemeny's Constant for Directed Graphs
KDD '24: Proceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and Data MiningPages 3472–3483https://doi.org/10.1145/3637528.3671859Kemeny's constant for random walks on a graph is defined as the mean hitting time from one node to another selected randomly according to the stationary distribution. It has found numerous applications and attracted considerable research interest. ...
- research-articleAugust 2024
Fast Query of Biharmonic Distance in Networks
KDD '24: Proceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and Data MiningPages 1887–1897https://doi.org/10.1145/3637528.3671856Thebiharmonic distance (BD) is a fundamental metric that measures the distance of two nodes in a graph. It has found applications in network coherence, machine learning, and computational graphics, among others. In spite of BD's importance, efficient ...
- research-articleMay 2024
Efficient Approximation of Kemeny's Constant for Large Graphs
Proceedings of the ACM on Management of Data (PACMMOD), Volume 2, Issue 3Article No.: 134, Pages 1–26https://doi.org/10.1145/3654937For an undirected graph, its Kemeny's constant is defined as the mean hitting time of random walks from one vertex to another chosen randomly according to the stationary distribution. Kemeny's constant exhibits numerous explanations from different ...
- research-articleMarch 2024
Efficient High-Quality Clustering for Large Bipartite Graphs
Proceedings of the ACM on Management of Data (PACMMOD), Volume 2, Issue 1Article No.: 23, Pages 1–27https://doi.org/10.1145/3639278A bipartite graph contains inter-set edges between two disjoint vertex sets, and is widely used to model real-world data, such as user-item purchase records, author-article publications, and biological interactions between drugs and proteins. k-Bipartite ...
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- short-paperOctober 2023
Metapath-Guided Data-Augmentation For Knowledge Graphs
CIKM '23: Proceedings of the 32nd ACM International Conference on Information and Knowledge ManagementPages 4175–4179https://doi.org/10.1145/3583780.3615186Knowledge graph (KG) embedding techniques use relationships between entities to learn low-dimensional representations of entities and relations. The traditional KG embedding techniques (such as TransE and DistMult) estimate these embeddings using the ...
- research-articleJanuary 2024
Saliency Detection Based on Feature Fusion and Weighted Hypergraph
ICBSP '23: Proceedings of the 2023 8th International Conference on Biomedical Imaging, Signal ProcessingPages 82–88https://doi.org/10.1145/3634875.3634887In view of the common problems in image saliency detection, such as inaccurate positioning of saliency objects and easy loss of detail information in complex scenario. This paper proposes a saliency detection based on feature fusion and weighted ...
- research-articleOctober 2023
TraceRank: Abnormal service localization with dis‐aggregated end‐to‐end tracing data in cloud native systems
Journal of Software: Evolution and Process (WSMR), Volume 35, Issue 10https://doi.org/10.1002/smr.2413AbstractModern cloud native applications are generally built with a microservice architecture. To tackle various performance problems among a large number of services and machines, an end‐to‐end tracing tool is always equipped in these systems to track ...
This paper proposes TraceRank to identify root causes of performance problems with dis‐aggregated end‐to‐end traces. A dis‐aggregated trace captures the execution path and process time about how a single request traverses the system. To fully leverage the ...
- research-articleAugust 2023
Efficient Approximation Algorithms for Spanning Centrality
KDD '23: Proceedings of the 29th ACM SIGKDD Conference on Knowledge Discovery and Data MiningPages 3386–3395https://doi.org/10.1145/3580305.3599323Given a graph \mathcalG , the spanning centrality (SC) of an edge e measures the importance of e for \mathcalG to be connected. In practice, SC has seen extensive applications in computational biology, electrical networks, and combinatorial ...
- posterJuly 2023
Neighbor-Hop Mutation for Genetic Algorithm in Influence Maximization
GECCO '23 Companion: Proceedings of the Companion Conference on Genetic and Evolutionary ComputationPages 187–190https://doi.org/10.1145/3583133.3590755The spread of contagions has been a central component of research on social networks. An abundance of literature shows that few nodes in the network contribute significantly to the final magnitude of the outbreak. The problem of finding the set of k ...
Efficient and Effective Attributed Hypergraph Clustering via K-Nearest Neighbor Augmentation
Proceedings of the ACM on Management of Data (PACMMOD), Volume 1, Issue 2Article No.: 116, Pages 1–23https://doi.org/10.1145/3589261Hypergraphs are an omnipresent data structure used to represent high-order interactions among entities. Given a hypergraph H wherein nodes are associated with attributes, attributed hypergraph clustering (AHC) aims to partition the nodes in H into k ...
- research-articleMay 2023
ClipSim: A GPU-friendly Parallel Framework for Single-Source SimRank with Accuracy Guarantee
- Tianhao Wu,
- Ji Cheng,
- Chaorui Zhang,
- Jianfeng Hou,
- Gengjian Chen,
- Zhongyi Huang,
- Weixi Zhang,
- Wei Han,
- Bo Bai
Proceedings of the ACM on Management of Data (PACMMOD), Volume 1, Issue 1Article No.: 27, Pages 1–26https://doi.org/10.1145/3588707SimRank is an important metric to measure the topological similarity between two nodes in a graph. In particular, single-source and top-k SimRank has numerous applications in recommendation systems, network analysis, and web mining, etc. Mathematically, ...
- research-articleMay 2023
Efficient Estimation of Pairwise Effective Resistance
Proceedings of the ACM on Management of Data (PACMMOD), Volume 1, Issue 1Article No.: 16, Pages 1–27https://doi.org/10.1145/3588696Given an undirected graph G, the effective resistance r(s,t) measures the dissimilarity of node pair s,t in G, which finds numerous applications in real-world problems, such as recommender systems, combinatorial optimization, molecular chemistry, and ...
- research-articleMay 2023
TEA: A General-Purpose Temporal Graph Random Walk Engine
- Chengying Huan,
- Shuaiwen Leon Song,
- Santosh Pandey,
- Hang Liu,
- Yongchao Liu,
- Baptiste Lepers,
- Changhua He,
- Kang Chen,
- Jinlei Jiang,
- Yongwei Wu
EuroSys '23: Proceedings of the Eighteenth European Conference on Computer SystemsPages 182–198https://doi.org/10.1145/3552326.3567491Many real-world graphs are temporal in nature, where the temporal information indicates when a particular edge is changed (e.g., edge insertion and deletion). Performing random walks on such temporal graphs is of paramount value. The state-of-the-art ...
- research-articleMarch 2023
NosWalker: A Decoupled Architecture for Out-of-Core Random Walk Processing
ASPLOS 2023: Proceedings of the 28th ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Volume 3Pages 466–482https://doi.org/10.1145/3582016.3582025Out-of-core random walk system has recently attracted a lot of attention as an economical way to run billions of walkers over large graphs. However, existing out-of-core random walk systems are all built upon general out-of-core graph processing ...
- research-articleFebruary 2023
DeMEtRIS: Counting (near)-Cliques by Crawling
WSDM '23: Proceedings of the Sixteenth ACM International Conference on Web Search and Data MiningPages 312–320https://doi.org/10.1145/3539597.3570438We study the problem of approximately counting cliques and near cliques in a graph, where the access to the graph is only available through crawling its vertices; thus typically seeing only a small portion of it. This model, known as the random walk ...
- research-articleFebruary 2023
Random Walk Sampling in Social Networks Involving Private Nodes
ACM Transactions on Knowledge Discovery from Data (TKDD), Volume 17, Issue 4Article No.: 51, Pages 1–28https://doi.org/10.1145/3561388Analysis of social networks with limited data access is challenging for third parties. To address this challenge, a number of studies have developed algorithms that estimate properties of social networks via a simple random walk. However, most existing ...
- research-articleFebruary 2023
Dual Subgraph-Based Graph Neural Network for Friendship Prediction in Location-Based Social Networks
ACM Transactions on Knowledge Discovery from Data (TKDD), Volume 17, Issue 3Article No.: 42, Pages 1–28https://doi.org/10.1145/3554981With the wide use of Location-Based Social Networks (LBSNs), predicting user friendship from online social relations and offline trajectory data is of great value to improve the platform service quality and user satisfaction. Existing methods mainly focus ...
- posterFebruary 2023
High-Throughput GPU Random Walk with Fine-Tuned Concurrent Query Processing
- Cheng Xu,
- Chao Li,
- Pengyu Wang,
- Xiaofeng Hou,
- Jing Wang,
- Shixuan Sun,
- Minyi Guo,
- Hanqing Wu,
- Dongbai Chen,
- Xiangwen Liu
PPoPP '23: Proceedings of the 28th ACM SIGPLAN Annual Symposium on Principles and Practice of Parallel ProgrammingPages 432–434https://doi.org/10.1145/3572848.3577482Random walk serves as a powerful tool in dealing with large-scale graphs, reducing data size while preserving structural information. Unfortunately, existing system frameworks all focus on the execution of a single walker task in serial. We propose ...