This protocol, Deliverable 2.3 of Work Package 2 (WP2) of the emc2 project, presents a methodology to characterise the spatial distribution of public-facing economic functions (shops and services) along urban street networks in the context of the 15-minute city. The core objective of the protocol is to build a Web of Activities that describes how economic functions are spatially organised and mutually exposed within public space. Rather than treating activities as isolated points, the protocol seeks to represent them as part of a visual and perceptive field structured by streets and buildings, capturing how shops and services may be jointly perceived along the street network. This web-based representation provides a relational description of functional presence that goes beyond simple proximity or density measures, while remaining grounded in street-level geometry. The protocol is built on the assumption that functional presence can be approximated through Points of Interest (POIs) and that these points can be transformed into indicators meaningful for the analysis of streets. In this deliverable, Foursquare POIs are used as the reference data source because they provide a large-scale, standardised representation of public-facing establishments across multiple metropolitan areas. The method, however, remains transferable and can be applied to other POI datasets, provided that they include point geometries and basic identifying attributes. This resource was produced within the emc2 project, which is funded by ANR (France, grant ANR-23-DUTP-0003), FFG (Austria, grant FO999905461), MUR (Italy, grant 2024/0017648) and Vinnova (Sweden, grant 2023-02581) under the Driving Urban Transition Partnership, which has been co-funded by the European Commission.
Fusco et al. (Tue,) studied this question.
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