70 citations
3 papers
cs.SI2021★ 21 cited
Extracting Complements and Substitutes from Sales Data: A Network Perspective
Yu Tian, Sebastian Lautz, Alisdiar O. G. Wallis +1
The complementarity and substitutability between products are essential concepts in retail and marketing. Qualitatively, two products are said to be substitutable if a customer can…
physics.soc-ph2019★ 13 cited
Customer mobility and congestion in supermarkets
Fabian Ying, Alisdair O. G. Wallis, Mariano Beguerisse-Díaz +2
The analysis and characterization of human mobility using population-level mobility models is important for numerous applications, ranging from the estimation of commuter flows in…
cs.CY2019★ 70 cited
Large-scale and high-resolution analysis of food purchases and health outcomes
Luca Maria Aiello, Rossano Schifanella, Daniele Quercia +1
To complement traditional dietary surveys, which are costly and of limited scale, researchers have resorted to digital data to infer the impact of eating habits on people's health.…