Data Conference Databasea Query.Farm index
Speakers

Nathan McEachen

Employers on the program

  1. 2026TerraFrame3 talks

The year around now

Talks in the past 12 months and announced talks ahead, one row per conference, January to December. Hover a mark for the talk.

JanFebMarAprMayJunJulAugSepOctNovDecFOSS4GFOSS4GFOSS4G North AmericaFOSS4G North America
Held in the past 12 months Next 12 months Today, Nov 9, 2026

Appearances by year

201920202021202220232024202520262027
  • FOSS4G
  • FOSS4G North America

Talks

DateEventConferenceRoleTitleLinks
Nov 2, 2026FOSS4G North America 2026FOSS4G North AmericaworkshopBuilding Geospatially Aware LLM Agents with Graphs and DGGS
as TerraFrame
Attendees will build two complementary approaches for enabling geospatial awareness in LLMs: Geo-GraphRAGs for analyzing networks of features and DGGS-based…Show less

Attendees will build two complementary approaches for enabling geospatial awareness in LLMs: Geo-GraphRAGs for analyzing networks of features and DGGS-based methods for integrating aggregate and statistical data, and how they work together.

Nov 2, 2026FOSS4G North America 2026FOSS4G North AmericaspeakerIntroducing Geospatial Awareness to LLMs with Integrity, Provenance, and Trust
as TerraFrame
While LLMs excel at synthesizing text, they lack geospatial awareness and cannot reason over spatial networks. This talk demonstrates how Geo-GraphRAG and DGGS,…Show less

While LLMs excel at synthesizing text, they lack geospatial awareness and cannot reason over spatial networks. This talk demonstrates how Geo-GraphRAG and DGGS, grounded in open standards, enable geospatial reasoning with transparent, traceable results.

Aug 30, 2026FOSS4G 2026FOSS4GworkshopBuilding Geospatially Aware LLM Agents with Spatial Knowledge Graphs and Discrete Global Grid Systems
as TerraFrame
Attendees will build two complementary approaches for enabling geospatial awareness in LLMs: Geo-GraphRAGs for analyzing networks of features and DGGS-based…Show less

Attendees will build two complementary approaches for enabling geospatial awareness in LLMs: Geo-GraphRAGs for analyzing networks of features and DGGS-based methods for integrating aggregate and statistical data, and how they work together.

Aug 30, 2026FOSS4G 2026FOSS4GspeakerMethods for Introducing Geospatial Awareness to Large Language Models with Integrity, Provenance, and Trust through Open Standards and Open Source
While LLMs excel at synthesizing text, they lack geospatial awareness and cannot reason over spatial networks. This talk demonstrates how Geo-GraphRAG and DGGS,…Show less

While LLMs excel at synthesizing text, they lack geospatial awareness and cannot reason over spatial networks. This talk demonstrates how Geo-GraphRAG and DGGS, grounded in open standards, enable geospatial reasoning with transparent, traceable results.

Aug 30, 2026FOSS4G 2026FOSS4GspeakerTowards a Spatial Knowledge Mesh: A Metamodel for Federated and Interoperable Spatial Knowledge Graphs to Enable Geospatial Awareness, Integrity, Provenance, and Trust in Large Language Models

Motivation and Problem Context Advances in generative artificial intelligence are enabling new applications across many industry sectors.

Nov 3, 2025FOSS4G North America 2025FOSS4G North AmericaworkshopBuild a GraphRAG To Bring Geospatial Awareness to LLM Agents
Graph-based retrieval-augmented generation (GraphRAG) can capture the semantics of geoinformatics data, which can be leveraged by LLMs. We will demonstrate how…Show less

Graph-based retrieval-augmented generation (GraphRAG) can capture the semantics of geoinformatics data, which can be leveraged by LLMs. We will demonstrate how to build a GraphRAG and how to write prompts so that an LLM Agent can utilize it.

Nov 3, 2025FOSS4G North America 2025FOSS4G North AmericaspeakerScalable GeoAI: Building LLM Agents Using National Spatial Data Infrastructures
National spatial data infrastructures (NSDIs) contain a wealth of information that AI-based solutions can leverage to improve operational efficiency. We propose…Show less

National spatial data infrastructures (NSDIs) contain a wealth of information that AI-based solutions can leverage to improve operational efficiency. We propose a collaborative strategy to bring geospatial awareness into LLMs at scale by constructing GraphRAGs for LLM Agents.

Sep 9, 2024FOSS4G North America 2024FOSS4G North AmericaspeakerBringing Geospatial Awareness to LLMs Using Open-Source Software
Geospatial awareness can be brought to LLMs to address humanity’s most pressing challenges by using authoritative and cross-sectoral Spatial Knowledge Graphs…Show less

Geospatial awareness can be brought to LLMs to address humanity’s most pressing challenges by using authoritative and cross-sectoral Spatial Knowledge Graphs that are automatically interoperable by location. We will present a technical approach using open-source software.

Sep 9, 2024FOSS4G North America 2024FOSS4G North AmericaspeakerKnowSTAC: Framework for Creating Dynamic and Knowledge-Interoperable STAC Indexes
KnowSTAC is a framework for creating dynamic STAC indexes that organize data not according to how they are published as collections or catalogs, but according…Show less

KnowSTAC is a framework for creating dynamic STAC indexes that organize data not according to how they are published as collections or catalogs, but according to on-demand queries that can crosscut domains and organizations for improved collaboration.

Jun 26, 2023FOSS4G 2023FOSS4GspeakerEnabling Knowledge Sharing By Managing Dependencies and Interoperability Between Interlinked Spatial Knowledge Graphs

Knowledge sharing is increasingly being recognized as necessary to address societal, economic, environmental, and public health challenges.

Jun 26, 2023FOSS4G 2023FOSS4GspeakerEnabling Knowledge Sharing By Managing Dependencies and Interoperability Between Interlinked Spatial Knowledge Graphs

Knowledge sharing is increasingly being recognized as necessary to address societal, economic, environmental, and public health challenges.

Aug 22, 2022FOSS4G 2022FOSS4GspeakerGeoPrism Registry - Using Spatial Knowledge Graphs for Managing and Integrating Geographic Data Over Time Across Multiple Information Systems

A knowledge graph is a network that interconnects concepts, objects, or events according to domain specific relationships and terminology.

Frequent co-speakers

SpeakerShared eventsShared talksLast together
Andrea Aime6—2026
Matthew Hanson6—2026
Stefano Bovio5—2026
Benjamin Webb4—2026
Corey White4—2026
Edoardo Neerhut4—2026
Howard Butler4—2026
Jeroen Ticheler4—2026
Michael Smith4—2026
Michele Tobias4—2026
Pete Gadomski4—2026
Simone Giannecchini4—2026
Tom Kralidis4—2026
Vicky Vergara4—2026
Giovanni Allegri4—2025

Speakers with the same name are merged into one entry, so this page may combine more than one person. Affiliations are shown as each conference listed them.