[ { "@id": "https://w3id.org/sciencelive/np/RAocR3vJTYJPEfL8vIBN2cjEFie2vT-tvhOS7IA431Dqk/pubinfo", "@graph": [ { "@id": "https://orcid.org/0000-0002-1784-2920", "http://xmlns.com/foaf/0.1/name": [ { "@value": " Anne Fouilloux" } ] }, { "@id": "https://w3id.org/sciencelive/np/RAocR3vJTYJPEfL8vIBN2cjEFie2vT-tvhOS7IA431Dqk", "http://purl.org/dc/terms/created": [ { "@value": "2026-04-09T20:56:50.129Z", "@type": "http://www.w3.org/2001/XMLSchema#dateTime" } ], "http://purl.org/dc/terms/creator": [ { "@id": "https://orcid.org/0000-0002-1784-2920" } ], "http://purl.org/dc/terms/license": [ { "@id": "https://creativecommons.org/licenses/by/4.0/" } ], "http://purl.org/nanopub/x/introduces": [ { "@id": "https://w3id.org/sciencelive/np/RAocR3vJTYJPEfL8vIBN2cjEFie2vT-tvhOS7IA431Dqk/healpix-replication2" } ], "http://purl.org/nanopub/x/wasCreatedAt": [ { "@id": "https://platform.sciencelive4all.org" } ], "@type": [ "http://purl.org/nanopub/x/ExampleNanopub" ], "http://www.w3.org/2000/01/rdf-schema#label": [ { "@value": "NP created using Declaring a replication study design according to FORRT" } ], "https://w3id.org/np/o/ntemplate/wasCreatedFromTemplate": [ { "@id": "https://w3id.org/np/RAuLEjPp-4dTvPwMkfHggTto1CgjIftiGRAgHlyeEonjQ" } ] }, { "@id": "https://w3id.org/sciencelive/np/RAocR3vJTYJPEfL8vIBN2cjEFie2vT-tvhOS7IA431Dqk/sig", "http://purl.org/nanopub/x/hasAlgorithm": [ { "@value": "RSA" } ], "http://purl.org/nanopub/x/hasPublicKey": [ { "@value": "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" } ], "http://purl.org/nanopub/x/hasSignature": [ { "@value": "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" } ], "http://purl.org/nanopub/x/hasSignatureTarget": [ { "@id": "https://w3id.org/sciencelive/np/RAocR3vJTYJPEfL8vIBN2cjEFie2vT-tvhOS7IA431Dqk" } ], "http://purl.org/nanopub/x/signedBy": [ { "@id": "https://orcid.org/0000-0002-1784-2920" } ] } ] }, { "@id": "https://w3id.org/sciencelive/np/RAocR3vJTYJPEfL8vIBN2cjEFie2vT-tvhOS7IA431Dqk/Head", "@graph": [ { "@id": "https://w3id.org/sciencelive/np/RAocR3vJTYJPEfL8vIBN2cjEFie2vT-tvhOS7IA431Dqk", "http://www.nanopub.org/nschema#hasAssertion": [ { "@id": "https://w3id.org/sciencelive/np/RAocR3vJTYJPEfL8vIBN2cjEFie2vT-tvhOS7IA431Dqk/assertion" } ], "http://www.nanopub.org/nschema#hasProvenance": [ { "@id": "https://w3id.org/sciencelive/np/RAocR3vJTYJPEfL8vIBN2cjEFie2vT-tvhOS7IA431Dqk/provenance" } ], "http://www.nanopub.org/nschema#hasPublicationInfo": [ { "@id": "https://w3id.org/sciencelive/np/RAocR3vJTYJPEfL8vIBN2cjEFie2vT-tvhOS7IA431Dqk/pubinfo" } ], "@type": [ "http://www.nanopub.org/nschema#Nanopublication" ] } ] }, { "@id": "https://w3id.org/sciencelive/np/RAocR3vJTYJPEfL8vIBN2cjEFie2vT-tvhOS7IA431Dqk/assertion", "@graph": [ { "@id": "https://w3id.org/sciencelive/np/RAocR3vJTYJPEfL8vIBN2cjEFie2vT-tvhOS7IA431Dqk/healpix-replication2", "@type": [ "https://w3id.org/sciencelive/o/terms/FORRT-Replication-Study", "https://w3id.org/sciencelive/o/terms/Replication-Study" ], "http://www.w3.org/2000/01/rdf-schema#label": [ { "@value": "Analysis of Sphere vs WGS84 Ellipsoid Impact on HEALPix Cell Assignment" } ], "http://www.w3.org/2004/02/skos/core#related": [ { "@id": "http://www.wikidata.org/entity/Q117479905" }, { "@id": "http://www.wikidata.org/entity/Q11902211" }, { "@id": "http://www.wikidata.org/entity/Q5629401" } ], "https://w3id.org/sciencelive/o/terms/hasDeviationDescription": [ { "@value": " - The original paper uses H3 (sphere-only) and does not consider ellipsoid effects -- this is a novel extension\n - Analysis uses synthetic raster grids, not real Sentinel/Copernicus data \n - Four latitude bands chosen to represent typical European EO coverage" } ], "https://w3id.org/sciencelive/o/terms/hasDiscipline": [ { "@id": "http://www.wikidata.org/entity/Q8008" } ], "https://w3id.org/sciencelive/o/terms/hasMethodologyDescription": [ { "@value": "For each region, a 50x50 pixel raster grid is indexed to HEALPix depth 9 cells twice -- once with ellipsoid='sphere' and once with ellipsoid='WGS84' -- using healpix_geo.nested.lonlat_to_healpix(). Cell assignment differences are quantified as percentage of pixels in a different cell. Polygon coverage similarity is measured via Jaccard index using healpix_geo.nested.polygon_coverage(). Environment: Python 3.11, healpix-geo 0.1.1, Docker containerized, seeded RNG (seed=42)." } ], "https://w3id.org/sciencelive/o/terms/hasScopeDescription": [ { "@value": "Extends the replication of Law & Ardo (2024) by comparing HEALPix cell assignments using sphere-based vs WGS84 ellipsoid-based indexing via healpix-geo. Measures the percentage of raster pixels assigned to different cells depending on the reference surface, across four latitude bands: equatorial (0°), mid-latitude (+48°), high-latitude (+62°), and arctic (+78°)." } ], "https://w3id.org/sciencelive/o/terms/targetsClaim": [ { "@id": "https://w3id.org/sciencelive/np/RAmj7Y0tsAGet0jI0cUP-H5o2vbafrLSZ-6xG5l-pH_C4/healpix-claim2" } ] } ] }, { "@id": "https://w3id.org/sciencelive/np/RAocR3vJTYJPEfL8vIBN2cjEFie2vT-tvhOS7IA431Dqk/provenance", "@graph": [ { "@id": "https://w3id.org/sciencelive/np/RAocR3vJTYJPEfL8vIBN2cjEFie2vT-tvhOS7IA431Dqk/assertion", "http://www.w3.org/ns/prov#wasAttributedTo": [ { "@id": "https://orcid.org/0000-0002-1784-2920" } ] } ] } ]