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- research-articleDecember 2024
A graph pattern mining framework for large graphs on GPU: A Graph Pattern Mining...
The VLDB Journal — The International Journal on Very Large Data Bases (VLDB), Volume 34, Issue 1https://doi.org/10.1007/s00778-024-00883-8AbstractGraph pattern mining (GPM) is an important problem in graph processing. There are many parallel frameworks for GPM, many of which suffer from low performance. GPU is a powerful option for accelerating graph processing, but parallel GPM algorithms ...
- ArticleDecember 2024
Neuralizing Graph Edit Distance Computation with Fine-Grained Matching Cost Prediction
Web Information Systems Engineering – WISE 2024Pages 400–414https://doi.org/10.1007/978-981-96-0567-5_28AbstractGraph Edit Distance (GED) is a classical measure of similarity between two graphs, defined as the minimum number of edit operations required to transform one graph into another. Given that computing the exact GED value is an NP-hard problem, ...
- research-articleDecember 2024
Observer-Based Fuzzy PID Control for Nonlinear Systems With Degraded Measurements: Dealing With Randomly Perturbed Sampling Periods
IEEE Transactions on Fuzzy Systems (TOFS), Volume 32, Issue 12Pages 6848–6862https://doi.org/10.1109/TFUZZ.2024.3466218This article addresses the problem of observer-based fuzzy proportional-integral-derivative (PID) control for a class of nonlinear systems subject to degraded measurements and randomly perturbed sampling periods (RPSPs). In the existing results, the ...
- research-articleOctober 2024
Efficient Pruned Top-K Subgraph Matching with Topology-Aware Bounds
CIKM '24: Proceedings of the 33rd ACM International Conference on Information and Knowledge ManagementPages 2848–2857https://doi.org/10.1145/3627673.3679790Given a query graph, top-k subgraph matching finds up to k matches in a data graph with the highest scores according to a user-defined scoring function. It has wide applications across many fields, including knowledge graphs and social networks. Due to ...
- ArticleAugust 2024
A Progressive Question Answering Framework Adaptable to Multiple Knowledge Sources
AbstractExisting deep learning-based models for knowledge base question answering (KBQA) suffer from the high costs of adapting the system to disparate datasets in real-world scenarios (e.g., multi-tenant platform). In this paper, we present ADMUS, a ...
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- research-articleJuly 2024
Minimum motif-cut: a workload-aware RDF graph partitioning strategy
The VLDB Journal — The International Journal on Very Large Data Bases (VLDB), Volume 33, Issue 5Pages 1517–1542https://doi.org/10.1007/s00778-024-00860-1AbstractIn designing a distributed RDF system, it is quite common to divide an RDF graph into subgraphs, called partitions, which are then distributed. Graph partitioning in general and RDF graph partitioning in particular are challenging problems. In ...
- research-articleJuly 2024
Vertex Encoding for Edge Nonexistence Determination With SIMD Acceleration
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 36, Issue 7Pages 3600–3614https://doi.org/10.1109/TKDE.2024.3350919We propose to design vertex encoding for determinations of no-result edge queries that should not be executed. Edge query is one of the core operations in mainstream graph databases, which is to retrieve edges connecting two given vertices. Real-world ...
- research-articleMay 2024
Materialized View Selection & View-Based Query Planning for Regular Path Queries
Proceedings of the ACM on Management of Data (PACMMOD), Volume 2, Issue 3Article No.: 152, Pages 1–26https://doi.org/10.1145/3654955A regular path query (RPQ) returns node pairs connected by a path whose edge label sequence satisfies the given regular expression. Given a workload of RPQs, selecting the shared subqueries as materialized views to precompute offline can speed up the ...
FSM: A Fine-Grained Splitting and Merging Framework for Dual-Balanced Graph Partition
Proceedings of the VLDB Endowment (PVLDB), Volume 17, Issue 9Pages 2378–2391https://doi.org/10.14778/3665844.3665864Partitioning a large graph into smaller subgraphs by minimizing the number of cutting vertices and edges, namely cut size or replication factor, plays a crucial role in distributed graph processing tasks. However, many prior works have primarily focused ...
- research-articleMay 2024
Zonotopic non-fragile set-membership fusion estimation for nonlinear systems under sensor resolution effects: Boundedness and monotonicity
AbstractIn this paper, the zonotopic non-fragile set-membership fusion estimation problem is investigated for multi-sensor nonlinear systems under sensor resolution effects. The sensor resolutions, which characterize the smallest change of signals that ...
Highlights- A zonotopic set-membership fusion estimation problem is investigated.
- Multi-sensor nonlinear systems under sensor resolution effects are studied.
- The sensor resolutions are considered to reflect the engineering practice.
- A ...
- research-articleMay 2024
A regularized least-squares approach to event-based distributed robust filtering over sensor networks
Automatica (Journal of IFAC) (AJIF), Volume 163, Issue Chttps://doi.org/10.1016/j.automatica.2024.111604AbstractIn this paper, a new distributed robust filtering problem is investigated for a class of discrete-time systems subject to parameter uncertainty over sensor networks under the event-based transmission mechanism, where the uncertainty in the target ...
- research-articleApril 2024
Observer-Based Fuzzy PID Tracking Control Under Try-Once-Discard Communication Protocol: An Affine Fuzzy Model Approach
IEEE Transactions on Fuzzy Systems (TOFS), Volume 32, Issue 4Pages 2352–2365https://doi.org/10.1109/TFUZZ.2024.3350341In this article, the problem of observer-based fuzzy proportional–integral–derivative (PID) tracking control is studied for networked nonlinear systems subject to protocol constraints and norm-bounded noises. The nonlinear plant under ...
LM-SRPQ: Efficiently Answering Regular Path Query in Streaming Graphs
Proceedings of the VLDB Endowment (PVLDB), Volume 17, Issue 5Pages 1047–1059https://doi.org/10.14778/3641204.3641214Regular path query (RPQ) is a basic operation for graph data analysis, and persistent RPQ in streaming graphs is a new-emerging research topic. In this paper, we propose a novel algorithm for persistent RPQ in streaming graphs, named LM-SRPQ. It solves ...
- research-articleJanuary 2024
Ultimately Bounded State Estimation for Nonlinear Networked Systems With Constrained Average Bit Rate: A Buffer-Aided Strategy
IEEE Transactions on Signal Processing (TSP), Volume 72Pages 1865–1876https://doi.org/10.1109/TSP.2024.3382404This article investigates the state estimation issue for a nonlinear networked system with network-based communication, where the measurement signals of the system are transmitted in an intermittent manner under the effects of unreliable communication. ...
- research-articleJanuary 2024
GraphMM: Graph-Based Vehicular Map Matching by Leveraging Trajectory and Road Correlations
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 36, Issue 1Pages 184–198https://doi.org/10.1109/TKDE.2023.3287739Map matching of sparse vehicle trajectories is a fundamental problem in location-based services, such as traffic flow analysis and vehicle routing. Existing literature mainly relies on sequence-to-sequence (Seq2Seq) models to capture the <italic>intra-...
Efficient and Accurate SimRank-Based Similarity Joins: Experiments, Analysis, and Improvement
Proceedings of the VLDB Endowment (PVLDB), Volume 17, Issue 4Pages 617–629https://doi.org/10.14778/3636218.3636219SimRank-based similarity joins, which mainly include threshold-based and top-k similarity joins, are important types of all-pair SimRank queries. Although a line of related algorithms have been proposed recently, they still fall short of providing ...
- research-articleDecember 2023
Ultimately Bounded PID Control for T–S Fuzzy Systems Under FlexRay Communication Protocol
IEEE Transactions on Fuzzy Systems (TOFS), Volume 31, Issue 12Pages 4308–4320https://doi.org/10.1109/TFUZZ.2023.3282044This article investigates the ultimately bounded proportional–integral–derivative (PID) control problem for a class of discrete-time Takagi–Sugeno fuzzy systems subject to unknown-but-bounded noises and protocol constraints. The ...
- research-articleApril 2024
On <italic>H</italic><sub>∞</sub> Fuzzy Proportional-Integral Observer Design Under Amplify-and-Forward Relays and Multirate Measurements
IEEE Transactions on Fuzzy Systems (TOFS), Volume 32, Issue 4Pages 1873–1885https://doi.org/10.1109/TFUZZ.2023.3337194In this article, we investigate the so-called <inline-formula><tex-math notation="LaTeX">$H_{\infty }$</tex-math></inline-formula> fuzzy proportional-integral observer (PIO) design problem for a class of nonlinear systems subject to relay effects, data ...
- research-articleNovember 2023
An Efficient Data Structure for Dynamic Graph on GPUs
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 11Pages 11051–11066https://doi.org/10.1109/TKDE.2023.3235941There is a growing interest to offload dynamic graph computation to GPU and resort to its high parallel processing ability and larger memory bandwidths compared with CPUs. The existing GPU graph systems usually use compressed sparse row (CSR) as the de-...
- research-articleNovember 2023
SGSI – A Scalable GPU-Friendly Subgraph Isomorphism Algorithm
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 11Pages 11899–11916https://doi.org/10.1109/TKDE.2022.3230744Due to the inherent hardness of subgraph isomorphism, the performance is often a bottleneck in various real-world applications. We address this by designing an efficient subgraph isomorphism algorithm leveraging features of GPU architecture. Existing GPU-...