Autoregressive-based outlier algorithm to detect money laundering activities

Kannan S. (Department of Computer Science and Engineering, Karpagam University, Coimbatore, Tamil Nadu, India)
Somasundaram K. (Department of Computer Science and Engineering, Aarupadai Veedu Institute of Technology, Chennai, India)

Journal of Money Laundering Control

ISSN: 1368-5201

Publication date: 2 May 2017



Due to the large-size, non-uniform transactions per day, the money laundering detection (MLD) is a time-consuming and difficult process. The major purpose of the proposed auto-regressive (AR) outlier-based MLD (AROMLD) is to reduce the time consumption for handling large-sized non-uniform transactions.


The AR-based outlier design produces consistent asymptotic distributed results that enhance the demand-forecasting abilities. Besides, the inter-quartile range (IQR) formulations proposed in this paper support the detailed analysis of time-series data pairs.


The prediction of high-dimensionality and the difficulties in the relationship/difference between the data pairs makes the time-series mining as a complex task. The presence of domain invariance in time-series mining initiates the regressive formulation for outlier detection. The deep analysis of time-varying process and the demand of forecasting combine the AR and the IQR formulations for an effective outlier detection.

Research limitations/implications

The present research focuses on the detection of an outlier in the previous financial transaction, by using the AR model. Prediction of the possibility of an outlier in future transactions remains a major issue.


The lack of prior segmentation of ML detection suffers from dimensionality. Besides, the absence of boundary to isolate the normal and suspicious transactions induces the limitations. The lack of deep analysis and the time consumption are overwhelmed by using the regression formulation.



S., K. and K., S. (2017), "Autoregressive-based outlier algorithm to detect money laundering activities", Journal of Money Laundering Control, Vol. 20 No. 2, pp. 190-202.

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