Intervenant·es : Pierre-Olivier Mazagol

This study evaluates OpenStreetMap's reliability for global mining mapping, revealing significant data gaps and classification errors compared to scientific benchmarks. It highlights the need for refined filtering methods and better contributor practices to overcome these geographic and semantic biases.

Speakers: Frédéric Rodrigo (Territorio)

Frédéric presents Clearance, a tool that locally intercepts OpenStreetMap edits to check their quality before integrating them into the data copies used by critical services (routing, maps), without blocking global synchronization. The project, born from Territorio's needs and the experience gained with Osmose QA, is already used in France and by firefighters in Spain, with the aim of strengthening trust in reused data.

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Intervenant·es : Frédéric Rodrigo (Territorio)

Frédéric présente Clearance, un outil qui intercepte localement les modifications OpenStreetMap pour en vérifier la qualité avant de les intégrer aux copies de données utilisées par des services critiques (routage, cartes), sans bloquer la synchronisation globale. Le projet, né des besoins de Territorio et de l'expérience d'Osmose QA, est déjà utilisé en France et par les pompiers en Espagne, avec pour objectif de renforcer la confiance dans les données réutilisées.

Intervenant·es : Camille Bernard, PedroPinheiro

Geographical databases such as OpenStreetMap (OSM) are continuously evolving to reflect ground-level transformations. Identifying and characterizing these changes is a key challenge for analyzing evolution over time. While several works have analyzed OSM edit history, the semantic interpretation of changes and the ability to distinguish genuine ground-level evolution from data refinements, tagging corrections, or modeling decisions, remains largely unaddressed. For planners relying on OSM, distinguishing real infrastructure changes from editing artifacts is critical. We address this challenge through two contributions: a web application to explore change dynamics and a methodology for semantic annotation and interpretation of edits.

Terraink: Lowering Barriers to OpenStreetMap Data Consumption - A Usage Study of an Open-Source Web Application

StreetMeasure - A low cost open source framework using monocular depth estimation supporting OSM measurement tags from 360 streetview photos, the case of SP6

Revealing past railway networks from OSM data

OSM contribution analysis in war time

Assessing Data Completeness in OpenStreetMap using the Geometrical and Temporal Properties of Mapping Patterns

Corporate Editing and Collective Intelligence in OpenStreetMap: A Long-Term Analysis of Southeast Asian Case Studies

From centroid to entrance: a global assessment of POI access locations for accessibility