Abstract
We have developed an agent-based model of e-commerce platform users’ behavior with emphasis on reflecting decision-making characteristics of elderly adults. The model has been used to verify how cognitive deficits of older customers influence the effectiveness of collaborative filtering and content-based recommender systems. The results from our simulation suggest that the effectiveness of recommender systems in improving quality of elderly consumers choices is low for population of agents with strong cognitive deficits.
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Notes
- 1.
The source code is available on request.
- 2.
Agents referred to as ‘elderly’ have a specific level of cognitive deficiencies that can appear with very different intensity also at a different age.
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Attributes ‘brand’ = 1, ‘negative review’ = 1 or both, in which case only ‘negative review’ triggers the heuristc.
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Agents with WM = 10 and h = 0.
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Random reduced: results of simulation where items are presented in a random order, assuming that agent put a filter on the items set first. The items with attribute values below the reservation levels are excluded if given attribute is kept in agent’s WM.
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Popularity voting recommender system.
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Acknowledgements
This research was supported by the Polish National Science Center grants 2015/19/B/ST6/03179 and 2018/29/B/HS6/02604.
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Pawlowska, J., Nielek, R., Wierzbicki, A. (2019). Lost in Online Stores? Agent-Based Modeling of Cognitive Limitations of Elderly Online Consumers. In: Thomson, R., Bisgin, H., Dancy, C., Hyder, A. (eds) Social, Cultural, and Behavioral Modeling. SBP-BRiMS 2019. Lecture Notes in Computer Science(), vol 11549. Springer, Cham. https://doi.org/10.1007/978-3-030-21741-9_21
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