Reproduction and Replication of DGGS Benchmark (explore)

Reproduction and Replication of DGGS Benchmark

Full identifier: https://w3id.org/np/RADCSRkRrlaOzRZ-lkPh1dnvthkhqFz55eGr1wtpW03vk

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Nanopublication

Reproduction and Replication of DGGS Benchmark FORRT-Replication-Study Reproduction-Study comment approve/disapprove edit as derived nanopublication create new with same template

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../dggs-replication-2026

dggs-replication-2026

http://www.w3.org/1999/02/22-rdf-syntax-ns#type is a https://w3id.org/sciencelive/o/terms/FORRT-Replication-Study FORRT Replication Study .

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../dggs-replication-2026

dggs-replication-2026

http://www.w3.org/2000/01/rdf-schema#label has the label (this is a literal)

"Reproduction and Replication of DGGS Benchmark"

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../dggs-replication-2026

dggs-replication-2026

http://www.w3.org/1999/02/22-rdf-syntax-ns#type is a https://w3id.org/sciencelive/o/terms/Reproduction-Study

Reproduction Study

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../dggs-replication-2026

dggs-replication-2026

https://w3id.org/sciencelive/o/terms/targetsClaim targets the claim https://w3id.org/np/RARXnKVStR.../aida_dggs_interoperability

Effect of DGGS Indexing on Associating Vector and Raster Geospatial Data

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../dggs-replication-2026

dggs-replication-2026

https://w3id.org/sciencelive/o/terms/hasScopeDescription has the scope (this is a literal)

"This study aims to reproduce and replicate the computational benchmark experiments from Law & Ardo (2024) "Using a discrete global grid system for a scalable, interoperable, and reproducible system of landuse mapping" (DOI: 10.1080/20964471.2024.2429847). Specifically: 1. VECTOR BENCHMARK (Figure 6): Reproduces the comparison between traditional vector overlay operations and DGGS-based methods using H3 polyfilling, testing scalability across 5-500 input layers. 2. RASTER BENCHMARK (Figure 7): - REPRODUCTION: Recreates the paper's comparison using H3 Python bindings for coordinate-to-cell conversion - REPLICATION: Implements an alternative approach using xdggs for vectorized H3 indexing The study aims to validate the paper's claims that (1) DGGS provides orders of magnitude performance improvement for vector operations, and (2) DGGS and raster methods show roughly equivalent performance for raster operations when using pre-indexed data."

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../dggs-replication-2026

dggs-replication-2026

https://w3id.org/sciencelive/o/terms/hasMethodologyDescription has the methodology (this is a literal)

"REPRODUCTION METHODOLOGY: - Vector benchmark: Implemented H3 polyfilling algorithm via h3-py library to convert Voronoi polygons to H3 cells at resolution 14, matching the paper's approach - Raster benchmark: Used H3 Python loop (h3.latlng_to_cell) to index raster pixels to H3 cells, replicating the paper's indexing method - Classification: Implemented all 7 number-theoretic classification functions (prime, perfect, triangular, square, pentagonal, hexagonal, Fibonacci) as described in the paper - Data generation: Created synthetic Voronoi polygons and NLM raster landscapes following the paper's specifications REPLICATION METHODOLOGY: - Raster benchmark: Replaced H3 Python loop with xdggs library (xdggs.H3Info.geographic2cell_ids) for vectorized coordinate-to-cell conversion - This tests whether alternative DGGS implementations affect the benchmark conclusions COMPUTATIONAL ENVIRONMENT: - Python 3.11 with h3 4.x, xdggs, NumPy, GeoPandas, Polars - Docker container for reproducibility - Benchmarks run on standardized hardware with multiple iterations"

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../dggs-replication-2026

dggs-replication-2026

https://w3id.org/sciencelive/o/terms/hasDeviationDescription has the deviation (this is a literal)

"1. SCALE: The original paper tested up to 500 vector layers; our default configuration tests [5, 10, 20, 50, 100] layers but supports scaling to 500. 2. RASTER GENERATION: The paper used NLMpy mid-point displacement algorithm. Our implementation uses NLMpy when available, with Gaussian filter fallback. 3. RANDOM MISALIGNMENT: The paper mentions "jittering the origin point by up to one pixel" for raster alignment - this feature is not implemented in our reproduction. 4. ADDITIONAL COMPARISON: We added xdggs as an alternative DGGS implementation not present in the original study, extending the work from pure reproduction to include replication with different tools. 5. PRE-INDEXED SCENARIO: The paper's raster benchmark used pre-indexed data in Apache Parquet queried with Polars. Our benchmark includes both on-the-fly indexing and pre-indexed scenarios to enable direct comparison."

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../dggs-replication-2026

dggs-replication-2026

http://www.w3.org/2004/02/skos/core#related is related to http://www.wikidata.org/entity/Q117023379

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../dggs-replication-2026

dggs-replication-2026

http://www.w3.org/2004/02/skos/core#related is related to http://www.wikidata.org/entity/Q117479905

discrete global grid system

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../dggs-replication-2026

dggs-replication-2026

http://www.w3.org/2004/02/skos/core#related is related to http://www.wikidata.org/entity/Q121775330

geospatial analysis

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../dggs-replication-2026

dggs-replication-2026

http://www.w3.org/2004/02/skos/core#related is related to http://www.wikidata.org/entity/Q1425625

reproducibility

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../dggs-replication-2026

dggs-replication-2026

http://www.w3.org/2004/02/skos/core#related is related to http://www.wikidata.org/entity/Q816747

benchmark

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../dggs-replication-2026

dggs-replication-2026

https://w3id.org/sciencelive/o/terms/hasDiscipline has the discipline http://www.wikidata.org/entity/Q8008

Earth science

This is the identifier for the assertion of this nanopublication. https://w3id.org/np/RADCSRkRrl.../assertion The assertion above http://www.w3.org/ns/prov#wasAttributedTo is attributed to https://orcid.org/0000-0002-1784-2920

Anne Fouilloux

This is the identifier for this whole nanopublication. https://w3id.org/np/RADCSRkRrl... This nanopublication http://purl.org/dc/terms/creator is created by https://orcid.org/0000-0002-1784-2920

Anne Fouilloux

This is the identifier for this whole nanopublication. https://w3id.org/np/RADCSRkRrl... This nanopublication http://purl.org/dc/terms/license is published under the license https://creativecommons.org/licenses/by/4.0/

Attribution 4.0 International (CC BY 4.0)

https://orcid.org/0000-0002-1784-2920

Anne Fouilloux

http://xmlns.com/foaf/0.1/name has the name (this is a literal)

"Anne Fouilloux"

This is the identifier for this whole nanopublication. https://w3id.org/np/RADCSRkRrl... This nanopublication date and time when the nanopublication was created http://purl.org/dc/terms/created was created on (this is a literal)

"2026-02-28T14:07:08.443Z"

(xsd:dateTime) .

This is the identifier for this whole nanopublication. https://w3id.org/np/RADCSRkRrl... This nanopublication links to the assertion template that was used to create this nanopublication https://w3id.org/np/o/ntemplate/wasCreatedFromTemplate was created from the assertion template https://w3id.org/np/RAuLEjPp-4...

RAuLEjPp-4

This is the identifier for this whole nanopublication. https://w3id.org/np/RADCSRkRrl... This nanopublication links to the provenance template that was used to create this nanopublication https://w3id.org/np/o/ntemplate/wasCreatedFromProvenanceTemplate was created from the provenance template https://w3id.org/np/RA7lSq6MuK...

RA7lSq6MuK

This is the identifier for this whole nanopublication. https://w3id.org/np/RADCSRkRrl... This nanopublication links to the publication info template that was used to create this nanopublication https://w3id.org/np/o/ntemplate/wasCreatedFromPubinfoTemplate was created from the publication info template https://w3id.org/np/RA0J4vUn_d...

RA0J4vUn_d

RAukAcWHRD

This is the identifier for this whole nanopublication. https://w3id.org/np/RADCSRkRrl... This nanopublication the nanopublication consists of an introduction of the given resource http://purl.org/nanopub/x/introduces introduces This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../dggs-replication-2026

dggs-replication-2026

http://www.wikidata.org/entity/Q117023379

https://w3id.org/np/o/ntemplate/hasLabelFromApi has the label from an API (this is a literal)

"h3 - Hexagonal Hierarchical Geospatial Indexing System"

http://www.wikidata.org/entity/Q117479905

discrete global grid system

https://w3id.org/np/o/ntemplate/hasLabelFromApi has the label from an API (this is a literal)

"discrete global grid system - DGGS as described by ISO 19170-1:2021"

http://www.wikidata.org/entity/Q121775330

geospatial analysis

https://w3id.org/np/o/ntemplate/hasLabelFromApi has the label from an API (this is a literal)

"geospatial analysis - type of spatial analysis"

http://www.wikidata.org/entity/Q1425625

reproducibility

https://w3id.org/np/o/ntemplate/hasLabelFromApi has the label from an API (this is a literal)

"reproducibility - agreement with previous measurements using the same methodology in the same context"

http://www.wikidata.org/entity/Q8008

Earth science

https://w3id.org/np/o/ntemplate/hasLabelFromApi has the label from an API (this is a literal)

"Earth science - fields of science dealing with planet Earth and its nearby planets in space"

http://www.wikidata.org/entity/Q816747

benchmark

https://w3id.org/np/o/ntemplate/hasLabelFromApi has the label from an API (this is a literal)

"benchmark - test to measure the performance of a computer system or component"

https://w3id.org/np/RARXnKVStR.../aida_dggs_interoperability

Effect of DGGS Indexing on Associating Vector and Raster Geospatial Data

https://w3id.org/np/o/ntemplate/hasLabelFromApi has the label from an API (this is a literal)

"Effect of DGGS Indexing on Associating Vector and Raster Geospatial Data"

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../sig

sig

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This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../sig

sig

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"RSA"

This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../sig

sig

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sig

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This is a local identifier minted within the nanopublication. https://w3id.org/np/RADCSRkRrl.../sig

sig

http://purl.org/nanopub/x/signedBy is signed by https://orcid.org/0000-0002-1784-2920

Anne Fouilloux

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nanodash.knowledgepixels.com

Anne Fouilloux, 28 Feb 2026, 14:07:08 UTC

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