{
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 "@type": "DefinedTerm",
 "@id": "https://wulfkaal.github.io/entities/model-selection",
 "identifier": "kaal:entity:model-selection",
 "name": "Model selection",
 "termCode": "model-selection",
 "inDefinedTermSet": {
  "@id": "https://wulfkaal.github.io/entities/index.json"
 },
 "author": {
  "@type": "Person",
  "name": "Wulf A. Kaal",
  "identifier": "https://orcid.org/0000-0003-0757-275X"
 },
 "dateModified": "2026-07-29",
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   "value": 2
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   "value": [
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 "subjectOf": [
  {
   "@type": "Claim",
   "@id": "https://wulfkaal.github.io/claims/2998033-022",
   "identifier": "kaal:claim:2998033-022",
   "text": "Requiring data scientists to stake a cryptocurrency on their own predictions converts private confidence into a public signal, which enables the fund to select the optimal model and improve fund performance.",
   "abstract": "The staking process, in turn, enables Numerai to choose the optimal model and in the process improve the performance of its hedge fund.",
   "citation": "Wulf A. Kaal, Blockchain Innovation for Private Investment Funds (2017). SSRN: https://ssrn.com/abstract=2998033",
   "datePublished": "2017",
   "claim_type": "mechanism",
   "confidence": "argued",
   "is_failure_mode": false,
   "scope_conditions": [
    "describes Numerai's use of the Numeraire token as a staking mechanism"
   ],
   "source_pdf_sha256": "aafb1be3c25cd33da477d759df9ca2f856f0a8fe133d6396da2e75d0af573dbd",
   "status": "current"
  },
  {
   "@type": "Claim",
   "@id": "https://wulfkaal.github.io/claims/3409548-010",
   "identifier": "kaal:claim:3409548-010",
   "text": "Requiring data scientists to stake a cryptocurrency on their own predictions is a workable remedy for overfitting, because the stake expresses confidence in live performance and lets the fund select the optimal model.",
   "abstract": "The staking process, in turn, enables Numerai to choose the optimal model and in the process improve the performance of its hedge fund.",
   "citation": "Kaal, Financial Technology and Hedge Funds (2019). SSRN: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3409548",
   "datePublished": "2019",
   "claim_type": "design",
   "confidence": "argued",
   "is_failure_mode": false,
   "scope_conditions": [
    "crowdsourced modeling competition with a stakeable token"
   ],
   "source_pdf_sha256": "74227ab2656b06bfe4a29c942fc2ba26df9f476917e0a9f85ec038b8c3402c40",
   "status": "current"
  }
 ],
 "description": "2 claims in the published works of Wulf A. Kaal carry the concept tag 'model-selection'. Derived node: a roster, not an adjudicated definition."
}