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@inproceedings{1358700,
author = {Vaculík, Karel and Popelínský, Lubomír},
address = {Neuveden},
booktitle = {Advances in Intelligent Data Analysis XV - 15th International Symposium, IDA 2016},
doi = {http://dx.doi.org/10.1007/978-3-319-46349-0_27},
editor = {Boström, H., Knobbe, A., Soares, C., Papapetrou, P.},
keywords = {graph mining; data mining; dynamic graphs; rule mining; anomaly detection; outlier detection; anomaly explanation},
howpublished = {tištěná verze "print"},
language = {eng},
location = {Neuveden},
isbn = {978-3-319-46348-3},
pages = {308-319},
publisher = {LNCS 9897, Springer},
title = {DGRMiner: Anomaly Detection and Explanation in Dynamic Graphs},
year = {2016}
}
TY - JOUR
ID - 1358700
AU - Vaculík, Karel - Popelínský, Lubomír
PY - 2016
TI - DGRMiner: Anomaly Detection and Explanation in Dynamic Graphs
PB - LNCS 9897, Springer
CY - Neuveden
SN - 9783319463483
KW - graph mining
KW - data mining
KW - dynamic graphs
KW - rule mining
KW - anomaly detection
KW - outlier detection
KW - anomaly explanation
N2 - Ubiquitous network data has given rise to diverse graph mining and analytical methods. One of the graph mining domains is anomaly detection in dynamic graphs, which can be employed for fraud detection, network intrusion detection, suspicious behaviour identification, etc. Most existing methods search for anomalies rather on the global level of the graphs. In this work, we propose a new anomaly detection and explanation algorithm for dynamic graphs. The algorithm searches for anomaly patterns in the form of predictive rules that enable us to examine the evolution of dynamic graphs on the level of subgraphs. Specifically, these patterns are able to capture addition and deletion of vertices and edges, and relabeling of vertices and edges. In addition, the algorithm outputs normal patterns that serve as an explanation for the anomaly patterns. The algorithm has been evaluated on two real-world datasets.
ER -
VACULÍK, Karel a Lubomír POPELÍNSKÝ. DGRMiner: Anomaly Detection and Explanation in Dynamic Graphs. In Boström, H., Knobbe, A., Soares, C., Papapetrou, P. \textit{Advances in Intelligent Data Analysis XV - 15th International Symposium, IDA 2016}. Neuveden: LNCS 9897, Springer. s.~308-319. ISBN~978-3-319-46348-3. doi:10.1007/978-3-319-46349-0\_{}27. 2016.
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