https://w3id.org/np/RAZv-ELNjlu-l-UZtyYwr87GvlXvkMdFbqsGc7sJ6Y_uU
.trig | .trig.txt | .jelly | .jelly.txt | .jsonld | .jsonld.txt | .nq | .nq.txt | .xml | .xml.txt
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sub:assertion {
<https://w3id.org/delphi/resource/assessment/aristotle-ga03-24--claim-test> a <https://w3id.org/delphi/ontology/Assessment>;
dc:description "Counted accepted species in the GBIF backbone for Gastropoda, Bivalvia, Polyplacophora and Scaphopoda, with and without the habitat filters TERRESTRIAL, MARINE and FRESHWATER. Also fetched the MolluscaBase statistics page and kept it only if marine, terrestrial and freshwater counts could be read from the text. The verdict follows the pre-registered agreement rule. Cephalopods are not in the sum.";
<http://www.w3.org/2000/01/rdf-schema#comment> "Measured: 0.3948641522412014 terrestrial accepted species / marine accepted species (first qualifying source; both are in extra) (n = 87230). Interpretation: Testaceans are shelled molluscs: Gastropoda, Bivalvia, Polyplacophora and Scaphopoda. Land snails and terrestrial slugs both fall in Gastropoda; the dataset has no shell flag, so shell-less slugs remain inside the terrestrial count. That biases terrestrial richness upward, against the claim. 'Few or none, snails excepted' is read as terrestrial richness under 10 percent of marine richness. The middle band is mixed rather than forced into few or many. Cephalopods are out of scope.";
<http://www.w3.org/2000/01/rdf-schema#label> "Claim test of aristotle-ga03-24: refutes, confidence 0.55";
<http://www.w3.org/2000/01/rdf-schema#seeAlso> <https://github.com/fractastical/delphisci/blob/bf2af6ee0a84e23ffa6414ad7a0a50a8c276506e/test-data/claim-tests/aristotle-biology/aristotle-ga03-24/result.json>;
prov:wasAttributedTo <https://w3id.org/delphi/resource/agent/delphisci-claim-tester-grok-4-7>;
<https://w3id.org/delphi/ontology/admissibleDatasets> "Global taxonomic registers that flag environment for molluscs and include terrestrial snails, not a marine-only list. Cephalopods are excluded because Aristotle treated them apart from testaceans. Counts of occurrences are not a substitute for species counts.";
<https://w3id.org/delphi/ontology/assessmentType> "claim-test/0.1.0";
<https://w3id.org/delphi/ontology/dataKind> "biological";
<https://w3id.org/delphi/ontology/disconfirmingObservation> "Terrestrial species are at least a quarter as numerous as marine species, in every source that qualifies.";
<https://w3id.org/delphi/ontology/evidenceAgainst> "GBIF backbone habitat is one label per species and is often blank. A marine-heavy label set could make land snails look rare. The agreement rule with MolluscaBase is there so a marine-biased source cannot support the claim alone when the molluscan register disagrees.",
"No species counts were requested before this registration. The MolluscaBase statistics page and the GBIF species API were checked only for an HTTP status.",
"Taxonomic effort differs by habitat. Richness is not abundance and is not the number of kinds Aristotle could see in Greece.";
<https://w3id.org/delphi/ontology/expectedObservation> "Accepted shelled-mollusc species flagged terrestrial are fewer than one tenth of those flagged marine.";
<https://w3id.org/delphi/ontology/failCriterion> "Pre-registered. Refutes 'few or no kinds live on land' if every qualifying source has at least one terrestrial species per four marine species (R >= 0.25), with marine n >= 500.";
<https://w3id.org/delphi/ontology/hasConfidence> "0.55"^^xsd:double;
<https://w3id.org/delphi/ontology/hasEvidence> <https://w3id.org/delphi/resource/evidence/aristotle-ga03-24--claim-test--dataset-1>,
<https://w3id.org/delphi/resource/evidence/aristotle-ga03-24--claim-test--dataset-2>;
<https://w3id.org/delphi/ontology/hasVerdict> "refutes";
<https://w3id.org/delphi/ontology/hypothesis> "Accepted species of shelled molluscs (gastropods, bivalves, chitons and scaphopods) are few on land relative to the sea: terrestrial species number less than a tenth of marine species.";
<https://w3id.org/delphi/ontology/inferenceMethod> "Ratio of accepted terrestrial species to accepted marine species, summed over the four classes. Two sources are compared with the agreement rule in pass_criterion. Freshwater is reported and is not in the ratio.";
<https://w3id.org/delphi/ontology/passCriterion> "Pre-registered. Count accepted species in Gastropoda, Bivalvia, Polyplacophora and Scaphopoda. Let R be terrestrial count divided by marine count. A source qualifies if marine count is at least 500. The GBIF backbone also requires that the fraction of accepted species carrying a habitat value is at least 0.40, and that the terrestrial count and the marine count are each different from the unfiltered total (otherwise the habitat filter was ignored and GBIF is disqualified). MolluscaBase qualifies if the statistics page yields marine, terrestrial and freshwater accepted-species counts. The claim is supported only if every qualifying source has R < 0.10. It is refuted if every qualifying source has R >= 0.25. If sources disagree, or any qualifying source has R in [0.10, 0.25), the verdict is mixed. If no source qualifies, the verdict is inconclusive with reason data-unavailable.";
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<https://w3id.org/delphi/resource/assessment/aristotle-ga03-24--claim-test> .
<https://w3id.org/delphi/resource/evidence/aristotle-ga03-24--claim-test--dataset-1>
a <https://w3id.org/delphi/ontology/EvidenceItem>;
dc:description "accepted species counts by habitat for four shelled-mollusc classes";
dc:license "CC BY 4.0 (GBIF backbone)";
<http://www.w3.org/2000/01/rdf-schema#label> "Dataset: GBIF Backbone Taxonomy";
prov:atLocation <https://api.gbif.org/v1/species/search>;
prov:wasDerivedFrom <https://www.gbif.org/dataset/d7dddbf4-2cf0-4f39-9b2a-bb099caae36c>;
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<https://w3id.org/delphi/resource/evidence/aristotle-ga03-24--claim-test--dataset-2>
a <https://w3id.org/delphi/ontology/EvidenceItem>;
dc:description "accepted mollusc counts by environment, used only if the page text exposes them";
dc:license "CC BY 4.0";
<http://www.w3.org/2000/01/rdf-schema#label> "Dataset: MolluscaBase statistics page";
prov:atLocation <https://www.molluscabase.org/aphia.php?p=stats>;
prov:wasDerivedFrom <https://www.molluscabase.org/>;
<https://w3id.org/delphi/ontology/hasChecksum> "sha256:1bd689ddc4b4c01ec00a132a8230ed954370a6e7528596025d90a13b1cdcff85" .
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dc:identifier "Grok 4.7" .
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sub:pubinfo {
this: dc:created "2026-11-08T16:24:31.740Z"^^xsd:dateTime;
dc:creator <https://orcid.org/0009-0007-4948-9192>;
dc:license <https://creativecommons.org/licenses/by/4.0/>;
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npx:introduces <https://w3id.org/delphi/resource/assessment/aristotle-ga03-24--claim-test>;
<http://www.w3.org/2000/01/rdf-schema#label> "Claim test of aristotle-ga03-24: refutes, confidence 0.55";
<https://w3id.org/delphi/ontology/domain> <https://w3id.org/delphi/resource/domain/aristotle-biology> .
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