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21-23 April | Florence, Italy
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The Sched app allows you to build your schedule but is not a substitute for your event registration. You must be registered for Overture Member Summit 2026 to participate in the sessions. If you have not registered but would like to join us, please go to the event registration page to purchase a registration.

This schedule is automatically displayed in Central European Summer Time (UTC+2). To see the schedule in your preferred timezone, select from the drop-down menu located at the bottom of the menu to the right.

Schedule is subject to change.
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Wednesday, April 22
 

10:50 CEST

Introducing the Places+Imagery Task Force and Vector Map Embedding Tiles - Sean Gorman, Zephr.xyz
Wednesday April 22, 2026 10:50 - 11:10 CEST
At the beginning of 2026 Overture kicked off a new task force with a mission of improving places data using imagery. Initially this work has been focused on using street level imagery to improve the geolocation accuracy of POIs, and in the process confirming their existence. This session will share the early benchmark results from this work; testing the accuracy of POI placements to real world survey measurements. The conflation of street level imagery with places opens the door to several follow on opportunities 1) accurate conflation of buildings and places, 2) seeding the discovery of new/changed places and 3) generating AI native places data. For the last point we'll introduce the concept of vector map embedding tiles: a data format that augments Overture place and geometry layers with semantic and visual embeddings, entrance and signage primitives, and lightweight visual-language descriptions derived from street-level imagery. The goal is to demonstrate how Overture datasets can be transformed into agent-ready assets, small and simple enough to be utilized by on-device spatial memory that is suitable for modern AI assistants.
Speakers
avatar for Sean Gorman

Sean Gorman

CEO, Zephr.xyz
Sean is a co-founder of Zephr.xyz Inc. with a background in computational simulation and modeling for geospatial phenomena. Previously he was an Engineering Manager at Snap working on mapping and visual positioning systems (VPS).
Wednesday April 22, 2026 10:50 - 11:10 CEST
Michelangelo

11:10 CEST

Deep Dive: Overture Place Categories Taxonomy - Ron Rice, Meta
Wednesday April 22, 2026 11:10 - 11:30 CEST
Let's dig into the Overture Place Categories taxonomy, covering its history, evolution, and plans for ongoing governance. We'll explain how the taxonomy is organized, introduce the concept of "basic level categories", and describe some of the ways the taxonomy can be used.

The Overture Places theme is focused on points of interest (POI)--real-world entities such as hospitals, museums, parks, and schools. A core component of the Places theme is a taxonomy of about 2000 categories, organized into a hierarchy to facilitate exploration and discovery.

The taxonomy has been significantly updated in recent months to improve ease of use, provide greater interoperability between different systems and platforms, and optimize the accuracy and coverage of POI classifiers. In addition to overhauling the taxonomy, we introduced the notion of "basic level categories"--a subset of Place Categories used for generalization and industry alignment. There are a wide range of user-facing and backend use cases for the taxonomy, ranging from labeling and iconography in mapping interfaces to AI-assisted data ingestion and classification.
Speakers
avatar for Ron Rice

Ron Rice

Taxonomist/Ontologist, Meta
For the past two decades, Ron has been building knowledge models (taxonomies, ontologies, knowledge graphs) for public sector companies and institutions. He studied Information Science at the University of Wisconsin-Milwaukee (MLIS) and also has a background in Fine Arts (BA) and... Read More →
Wednesday April 22, 2026 11:10 - 11:30 CEST
Michelangelo

12:00 CEST

Confidence Model - Felix Wagner, Overture Maps Foundation & Florian Nachtigall, The Linux Foundation
Wednesday April 22, 2026 12:00 - 12:20 CEST
A deep dive on the confidence model developed for assessing the quality of every input record.
Speakers
avatar for Florian Nachtigall

Florian Nachtigall

Spatial Data Scientist, The Linux Foundation


avatar for Felix Wagner

Felix Wagner

Data Scientist, Overture Maps Foundation
PhD in Spatial Data Science, MPhil in Engineering for Sustainable Development and MEng in Engineering and Computer Science
Wednesday April 22, 2026 12:00 - 12:20 CEST
Michelangelo

12:20 CEST

Building a Self-Healing Places Dataset With Signals - Greg Nieuwenhuis, Sparkgeo
Wednesday April 22, 2026 12:20 - 12:40 CEST
Modern maps cannot be static. Places open, close, change sentiment, and shift relevance constantly. A single data point can be useful, but it is rarely trustworthy on its own. The real value emerges when signals are observed over time and in aggregate.

This session explores how historical and regular signals help create a self-healing Places dataset. Weekly signal updates allow the system to continually validate place confidence, improve accuracy, and prevent failures like navigating to a business that closed last week.

We will ground this discussion in the Overture Maps Foundation approach to Places and Signals, with a focus on the Contributor Club. Attendees will learn how the system aggregates signals from multiple providers to strengthen place confidence while protecting proprietary data.

This session is designed for members and contributors who want to understand how data fits into the pipeline, how signals compound in value, and what we can do to make contribution easier and more impactful.
Speakers
avatar for Greg Nieuwenhuis

Greg Nieuwenhuis

Senior Data Science Engineer, Sparkgeo
Greg Nieuwenhuis, M.Sc., P.Geo., is a Senior Software Developer at Sparkgeo with a strong background in geospatial development. He currently leads technical project teams of geospatial developers and data scientists to create scalable analytics and data processing systems.
Wednesday April 22, 2026 12:20 - 12:40 CEST
Michelangelo

14:20 CEST

Places Matching: Labels, Blocking, Feature Engineering - Dominik Weckmueller & Felix Wagner, Overture Maps Foundation
Wednesday April 22, 2026 14:20 - 14:40 CEST
This session will give an overview about ongoing efforts to increase the quality of our Places matching pipeline. Key topics:
1. Labeling with LLMs - Evaluating human alignment
2. Blocking Strategy
3. Feature Engineering - New features under development
Speakers
avatar for Dominik Weckmüller

Dominik Weckmüller

Data Scientist, Overture Maps
Dominik Weckmüller is a GIS expert and data scientist specialized in geospatial AI and NLP. He is an open source advocate with a mission to democratize knowledge.
avatar for Felix Wagner

Felix Wagner

Data Scientist, Overture Maps Foundation
PhD in Spatial Data Science, MPhil in Engineering for Sustainable Development and MEng in Engineering and Computer Science
Wednesday April 22, 2026 14:20 - 14:40 CEST
Michelangelo
 
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