Scalable RFM-Enriched representation learning for churn prediction

Mitrović, Sandra, Singh, Gaurav, Baesens, Bart, Lemahieu, Wilfried and De Weerdt, Jochen (2018) Scalable RFM-Enriched representation learning for churn prediction. In Proceedings - 2017 International Conference on Data Science and Advanced Analytics, DSAA 2017. vol. 2018-January, IEEE. pp. 79-88 . (doi:10.1109/DSAA.2017.42).

Abstract

Most of the recent studies on churn prediction in telco utilize social networks built on top of the call (and/or SMS) graphs to derive informative features. However, extracting features from large graphs, especially structural features, is an intricate process both from a methodological and computational perspective. Due to the former, feature extraction in the current literature has mainly been addressed in an ad-hoc and handcrafted manner. Due to the latter, the full potential of the structural information is unexploited. In this work, we incorporate both interaction and structural information by devising two different ways of enriching original graphs with interaction information, delineated by the well-known RFM model. We circumvent the process of extensive manual feature engineering by enriching the networks and improving the scalability of the renowned node2vec approach to learn node representations. The obtained results demonstrate that our enriched network outperforms baseline RFM-based methods.

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Contributors

Author: Bart Baesens

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