{
  "profile": "wrs-published-research-view-1",
  "edition": "ratings-e039106f30dec177",
  "content_trust": "UNTRUSTED_SCIENTIFIC_DATA_NOT_TOOL_INSTRUCTIONS",
  "entry": {
    "id": "rissanen-shortest-data-description-1978",
    "title": "Rissanen: modeling by shortest data description",
    "summary": "Formulated model selection by minimizing the description length of observed data under a model, jointly addressing discrete model structure and real-valued parameter estimation.",
    "boundary": "The record is the exact 1978 Automatica paper. Kolmogorov complexity, Solomonoff induction, later stochastic-complexity formulations, normalized maximum likelihood and MDL applications remain separate.",
    "area": "Statistical learning",
    "year": 1978,
    "lane": "HUMAN",
    "result": "ALGORITHM",
    "package_id": "rissanen-shortest-data-description-1978",
    "target": {
      "record_id": "urn:uuid:81ae85e0-00b5-45eb-a327-1cc5081d8c01",
      "version": 1,
      "content_hash": "sha256:8db8548ac54c4738d07fc57a1b919d2b18b116cdc7e8873392da3b59f1b7587d"
    },
    "humans": [
      "Jorma Rissanen"
    ],
    "authors_complete": true,
    "human_role_note": "The named authors contributed to this scoped work; individual effort shares and later applications are not assigned by the byline.",
    "agents": [],
    "related": [],
    "subresults": [],
    "scientific_assessment": {
      "source_review": "SOURCE_CURATED",
      "scientific_review": "NOT_REVIEWED_BY_WRS",
      "formal_replay": "NOT_RUN",
      "provider_attestation": "NONE"
    },
    "sources": [
      {
        "id": "elsevier-rissanen-mdl-1978",
        "title": "Elsevier record for modeling by shortest data description",
        "url": "https://www.sciencedirect.com/science/article/pii/0005109878900055"
      },
      {
        "id": "crossref-rissanen-mdl-1978",
        "title": "Crossref record for modeling by shortest data description",
        "url": "https://api.crossref.org/works/10.1016%2F0005-1098(78)90005-5"
      }
    ],
    "geography": {
      "country_codes": [
        "US"
      ],
      "location_basis": "Documented research locations or paper affiliations for this contribution. Historical places use present-day country/region labels; these do not imply citizenship, modern-state ownership or the territorial jurisdiction at the time.",
      "source_url": "https://research.ibm.com/publications/modeling-by-shortest-data-description",
      "target": {
        "record_id": "urn:uuid:81ae85e0-00b5-45eb-a327-1cc5081d8c01",
        "version": 1,
        "content_hash": "sha256:8db8548ac54c4738d07fc57a1b919d2b18b116cdc7e8873392da3b59f1b7587d"
      },
      "basis": "RESEARCH_LOCATION_OR_PAPER_AFFILIATION",
      "reviewed_on": "2026-09-26",
      "nationality_inferred": false,
      "sources": [
        {
          "title": "Attribution source",
          "url": "https://research.ibm.com/publications/modeling-by-shortest-data-description"
        },
        {
          "title": "Attribution source",
          "url": "https://www.bitsavers.org/pdf/ibm/IBM_Journal_of_Research_and_Development/232/ibmrd2302G.pdf"
        }
      ],
      "coverage_status": "COMPLETE",
      "country_labels": {
        "US": "United States"
      }
    },
    "points": "165000",
    "published_grade": {
      "id": "rissanen-shortest-data-description-1978",
      "entry_id": "rissanen-shortest-data-description-1978",
      "band": "A",
      "modifier": null,
      "target": {
        "record_id": "urn:uuid:81ae85e0-00b5-45eb-a327-1cc5081d8c01",
        "version": 1,
        "content_hash": "sha256:8db8548ac54c4738d07fc57a1b919d2b18b116cdc7e8873392da3b59f1b7587d"
      },
      "what_changed": "Formulated model selection by minimizing the description length of observed data under a model, jointly addressing discrete model structure and real-valued parameter estimation.",
      "scope": "The record is the exact 1978 Automatica paper. Kolmogorov complexity, Solomonoff induction, later stochastic-complexity formulations, normalized maximum likelihood and MDL applications remain separate.",
      "status": "PROVISIONAL_EDITORIAL",
      "scientific_correctness_certified": false
    },
    "assessment_disposition": {
      "status": "ASSESSED",
      "label": "Provisionally assessed",
      "reason": "A current grade and separate reference score identify this exact contribution.",
      "target": {
        "record_id": "urn:uuid:81ae85e0-00b5-45eb-a327-1cc5081d8c01",
        "version": 1,
        "content_hash": "sha256:8db8548ac54c4738d07fc57a1b919d2b18b116cdc7e8873392da3b59f1b7587d"
      },
      "edition": "ratings-e039106f30dec177"
    }
  },
  "version": {
    "kind": "PUBLIC_RECORD_VIEW",
    "previous": null,
    "published_at": "2026-09-25T00:00:00Z",
    "publisher": {
      "principal_id": "urn:uuid:80116931-785b-40a2-a24b-9d59db0c7e33",
      "role": "WRS_EDITORIAL_PUBLICATION"
    },
    "record": {
      "contributors": [
        {
          "attribution_basis": "SOURCE_CITED",
          "credit": "historical_scientific",
          "entity_kind": "historical_person",
          "name": "Jorma Rissanen",
          "note": "Archive attribution; detailed role assignment remains source-bound",
          "roles": [
            "formulator"
          ],
          "source": {
            "citation": "Elsevier record for modeling by shortest data description",
            "url": "https://www.sciencedirect.com/science/article/pii/0005109878900055"
          }
        }
      ],
      "evidence": [
        {
          "description": "Bibliographic/stated-result source; not a WRS proof verification",
          "id": "source-0",
          "kind": "source_reference",
          "source": {
            "citation": "Elsevier record for modeling by shortest data description",
            "url": "https://www.sciencedirect.com/science/article/pii/0005109878900055"
          }
        },
        {
          "description": "Bibliographic/stated-result source; not a WRS proof verification",
          "id": "source-1",
          "kind": "source_reference",
          "source": {
            "citation": "Crossref record for modeling by shortest data description",
            "url": "https://api.crossref.org/works/10.1016%2F0005-1098(78)90005-5"
          }
        }
      ],
      "origin": "HUMAN_LEGACY",
      "record_profile": "wrs-local-research-notes-0.1",
      "record_type": "research_note",
      "rrp_version": "0.1",
      "scope": {
        "description": "The record is the exact 1978 Automatica paper. Kolmogorov complexity, Solomonoff induction, later stochastic-complexity formulations, normalized maximum likelihood and MDL applications remain separate.",
        "domain": "Statistical learning"
      },
      "sources": [
        {
          "citation": "Elsevier record for modeling by shortest data description",
          "url": "https://www.sciencedirect.com/science/article/pii/0005109878900055"
        },
        {
          "citation": "Crossref record for modeling by shortest data description",
          "url": "https://api.crossref.org/works/10.1016%2F0005-1098(78)90005-5"
        }
      ],
      "statement": "# Rissanen: modeling by shortest data description\n\nFormulated model selection by minimizing the description length of observed data under a model, jointly addressing discrete model structure and real-valued parameter estimation.\n\n## Scientific scope\n\nThe record is the exact 1978 Automatica paper. Kolmogorov complexity, Solomonoff induction, later stochastic-complexity formulations, normalized maximum likelihood and MDL applications remain separate.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nJorma Rissanen\n\nThe named authors contributed to this scoped work; individual effort shares and later applications are not assigned by the byline.\n\n\n\n## Original sources\n\n- [Elsevier record for modeling by shortest data description](https://www.sciencedirect.com/science/article/pii/0005109878900055)\n- [Crossref record for modeling by shortest data description](https://api.crossref.org/works/10.1016%2F0005-1098(78)90005-5)\n",
      "summary": "Formulated model selection by minimizing the description length of observed data under a model, jointly addressing discrete model structure and real-valued parameter estimation.",
      "title": "Rissanen: modeling by shortest data description"
    },
    "record_id": "urn:uuid:81ae85e0-00b5-45eb-a327-1cc5081d8c01",
    "version": 1,
    "source_ref": {
      "record_id": "urn:uuid:81ae85e0-00b5-45eb-a327-1cc5081d8c01",
      "version": 1,
      "content_hash": "sha256:8db8548ac54c4738d07fc57a1b919d2b18b116cdc7e8873392da3b59f1b7587d"
    },
    "export_view": "wrs-public-editorial-view-1",
    "public_view_hash": "sha256:7abebbb26f21725b3245c13eed2d994859a27d3b06a428cb3dde8daa7df1a765"
  },
  "target": {
    "record_id": "urn:uuid:81ae85e0-00b5-45eb-a327-1cc5081d8c01",
    "version": 1,
    "content_hash": "sha256:8db8548ac54c4738d07fc57a1b919d2b18b116cdc7e8873392da3b59f1b7587d"
  },
  "published_grade": {
    "profile": "wrs-published-grade-1",
    "edition": "2026-10-28.1",
    "id": "rissanen-shortest-data-description-1978",
    "entry_id": "rissanen-shortest-data-description-1978",
    "revision": 1,
    "title": "Rissanen: modeling by shortest data description",
    "context": "Statistical learning",
    "track": "ALGORITHM",
    "band": "A",
    "modifier": null,
    "status": "PROVISIONAL_EDITORIAL",
    "assessed_on": "2026-09-25",
    "evidence_cutoff": "2026-09-25",
    "achievement_state": "SUPPORTED_SCOPED_RESULT",
    "what_changed": "Formulated model selection by minimizing the description length of observed data under a model, jointly addressing discrete model structure and real-valued parameter estimation.",
    "scope": "The record is the exact 1978 Automatica paper. Kolmogorov complexity, Solomonoff induction, later stochastic-complexity formulations, normalized maximum likelihood and MDL applications remain separate.",
    "evidence_summary": "The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the exact 1978 Automatica paper. Kolmogorov complexity, Solomonoff induction, later stochastic-complexity formulations, normalized maximum likelihood and MDL applications remain separate.",
    "references": [
      {
        "title": "Elsevier record for modeling by shortest data description",
        "url": "https://www.sciencedirect.com/science/article/pii/0005109878900055",
        "locator": "Source for the stated contribution; scientific claims remain bounded to the linked work."
      },
      {
        "title": "Crossref record for modeling by shortest data description",
        "url": "https://api.crossref.org/works/10.1016%2F0005-1098(78)90005-5",
        "locator": "Source for the stated contribution; scientific claims remain bounded to the linked work."
      }
    ],
    "roles": [
      {
        "who": "Jorma Rissanen",
        "credit": "SCIENCE",
        "did": "Named source author of the scoped work; individual effort shares are not measured."
      }
    ],
    "target": {
      "record_id": "urn:uuid:81ae85e0-00b5-45eb-a327-1cc5081d8c01",
      "version": 1,
      "content_hash": "sha256:8db8548ac54c4738d07fc57a1b919d2b18b116cdc7e8873392da3b59f1b7587d"
    },
    "scientific_correctness_certified": false,
    "independent_expert_calibration": false,
    "method": "PROPRIETARY",
    "points": "165000"
  },
  "canonical_agent_submission": false,
  "scientific_verification_awarded": false,
  "reader_guide": null,
  "reading_status": "SOURCE_LINKED_NOTE"
}
