Brightway Flows 1.0
GitHub

bafu 2026-v1

algorithm
Name
Thorium-228
Context
emissions to water → river
Unit
Bq
CAS
14274-82-9
EC
Basis
cas 14274-82-9
Method
algorithm
Substance
fo-b47b39d0905a308b
Target flow
2f345e26907978ad54d3ad15d0668373b452fcf3

What it could have been

5 flows between them, 5 of them eligible after the dimension and media filter, 8 removed because the context did not agree, and 5 tied on the winning score of 1.

Score Name Unit Context LCIA Flow
1 tied Thorium-228 kBq Environmental → Water → Surface water 0 08a91e70-3ddc-11dd-9972-0050c2490048
1 tied Thorium-228 kBq Environmental → Water → Long-term 0 08a91e70-3ddc-11dd-9973-0050c2490048
1 tied Thorium-228 kBq Environmental → Water → Unknown 0 08a91e70-3ddc-11dd-9974-0050c2490048
1 tied Thorium-228 kBq Environmental → Water → Ocean 0 08a91e70-3ddc-11dd-9975-0050c2490048
1 tied Thorium-228 kBq Environmental → Water → Unconfined aquifer 0 adb46f2bedf0f5afa3314309f9ce7a742300aff9
Everything this outcome recorded
{
  "source_uuid": "93bce543-10ed-54f7-9ce4-7e31ad308537",
  "source_name": "Thorium-228",
  "source_context": [
    "emissions to water",
    "river"
  ],
  "source_context_normalized": [
    "Environmental",
    "Water",
    "River"
  ],
  "source_context_iri": "https://vocab.brightway.one/flow-contexts/envi-wate-rive",
  "source_unit": "Bq",
  "source_cas": "14274-82-9",
  "source_ec": "",
  "flow_object_id": "fo-b47b39d0905a308b",
  "target_name": "Thorium-228",
  "target_elementary_flow_id": "2f345e26907978ad54d3ad15d0668373b452fcf3",
  "target_context": [
    "Environmental",
    "Water",
    "River"
  ],
  "target_unit": "kBq",
  "basis": "cas",
  "basis_value": "14274-82-9",
  "selector_reason": "new-elementary-flow-created",
  "matching_method": "algorithm",
  "algorithm_details": {
    "flow_object_candidate_count": 1,
    "elementary_candidate_count": 13,
    "eligible_candidate_count": 5,
    "filtered_out_context_mismatch_count": 8,
    "required_dimension": "Environmental",
    "required_media": "Water",
    "selector_model": "exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto",
    "top_candidates": [
      {
        "elementary_flow_id": "08a91e70-3ddc-11dd-9972-0050c2490048",
        "score": 1,
        "unit_exact": false,
        "context_overlap": 2,
        "context_penalty": 1,
        "context_iri_exact": false,
        "unit": "kBq",
        "context": [
          "Environmental",
          "Water",
          "Surface water"
        ],
        "context_iri": "https://vocab.brightway.one/flow-contexts/envi-wate-suwa"
      },
      {
        "elementary_flow_id": "08a91e70-3ddc-11dd-9973-0050c2490048",
        "score": 1,
        "unit_exact": false,
        "context_overlap": 2,
        "context_penalty": 1,
        "context_iri_exact": false,
        "unit": "kBq",
        "context": [
          "Environmental",
          "Water",
          "Long-term"
        ],
        "context_iri": "https://vocab.brightway.one/flow-contexts/envi-wate-lote"
      },
      {
        "elementary_flow_id": "08a91e70-3ddc-11dd-9974-0050c2490048",
        "score": 1,
        "unit_exact": false,
        "context_overlap": 2,
        "context_penalty": 1,
        "context_iri_exact": false,
        "unit": "kBq",
        "context": [
          "Environmental",
          "Water",
          "Unknown"
        ],
        "context_iri": "https://vocab.brightway.one/flow-contexts/envi-wate-unkn"
      },
      {
        "elementary_flow_id": "08a91e70-3ddc-11dd-9975-0050c2490048",
        "score": 1,
        "unit_exact": false,
        "context_overlap": 2,
        "context_penalty": 1,
        "context_iri_exact": false,
        "unit": "kBq",
        "context": [
          "Environmental",
          "Water",
          "Ocean"
        ],
        "context_iri": "https://vocab.brightway.one/flow-contexts/envi-wate-ocea"
      },
      {
        "elementary_flow_id": "adb46f2bedf0f5afa3314309f9ce7a742300aff9",
        "score": 1,
        "unit_exact": false,
        "context_overlap": 2,
        "context_penalty": 1,
        "context_iri_exact": false,
        "unit": "kBq",
        "context": [
          "Environmental",
          "Water",
          "Unconfined aquifer"
        ],
        "context_iri": "https://vocab.brightway.one/flow-contexts/envi-wate-unaq"
      }
    ],
    "scored_candidates": [
      {
        "elementary_flow_id": "08a91e70-3ddc-11dd-9972-0050c2490048",
        "score": 1,
        "unit_exact": false,
        "context_overlap": 2,
        "context_penalty": 1,
        "context_iri_exact": false,
        "unit": "kBq",
        "context": [
          "Environmental",
          "Water",
          "Surface water"
        ],
        "context_iri": "https://vocab.brightway.one/flow-contexts/envi-wate-suwa"
      },
      {
        "elementary_flow_id": "08a91e70-3ddc-11dd-9973-0050c2490048",
        "score": 1,
        "unit_exact": false,
        "context_overlap": 2,
        "context_penalty": 1,
        "context_iri_exact": false,
        "unit": "kBq",
        "context": [
          "Environmental",
          "Water",
          "Long-term"
        ],
        "context_iri": "https://vocab.brightway.one/flow-contexts/envi-wate-lote"
      },
      {
        "elementary_flow_id": "08a91e70-3ddc-11dd-9974-0050c2490048",
        "score": 1,
        "unit_exact": false,
        "context_overlap": 2,
        "context_penalty": 1,
        "context_iri_exact": false,
        "unit": "kBq",
        "context": [
          "Environmental",
          "Water",
          "Unknown"
        ],
        "context_iri": "https://vocab.brightway.one/flow-contexts/envi-wate-unkn"
      },
      {
        "elementary_flow_id": "08a91e70-3ddc-11dd-9975-0050c2490048",
        "score": 1,
        "unit_exact": false,
        "context_overlap": 2,
        "context_penalty": 1,
        "context_iri_exact": false,
        "unit": "kBq",
        "context": [
          "Environmental",
          "Water",
          "Ocean"
        ],
        "context_iri": "https://vocab.brightway.one/flow-contexts/envi-wate-ocea"
      },
      {
        "elementary_flow_id": "adb46f2bedf0f5afa3314309f9ce7a742300aff9",
        "score": 1,
        "unit_exact": false,
        "context_overlap": 2,
        "context_penalty": 1,
        "context_iri_exact": false,
        "unit": "kBq",
        "context": [
          "Environmental",
          "Water",
          "Unconfined aquifer"
        ],
        "context_iri": "https://vocab.brightway.one/flow-contexts/envi-wate-unaq"
      }
    ],
    "winning_score": 1,
    "tie_on_top_score": true,
    "source_context_original": [
      "emissions to water",
      "river"
    ],
    "source_context_normalized": [
      "Environmental",
      "Water",
      "River"
    ],
    "source_context_used_for_matching": [
      "Environmental",
      "Water",
      "River"
    ],
    "source_context_matching_basis": "normalized"
  },
  "provenance": {
    "prov:wasGeneratedBy": "merge_bafu",
    "prov:wasAttributedTo": "consensus-flow-list",
    "prov:hadPrimarySource": [
      "bafu:2026-v1:93bce543-10ed-54f7-9ce4-7e31ad308537",
      "Thorium-228",
      "",
      "algorithm.lookup_order=cas>ec>label",
      "algorithm.basis=cas:14274-82-9",
      "algorithm.flow_object_candidates=1",
      "algorithm.elementary_candidates=13",
      "algorithm.selector_reason=new-elementary-flow-created",
      "algorithm.score_rule=exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto",
      "algorithm.winning_score=1",
      "algorithm.tie_on_top_score=true"
    ],
    "prov:wasDerivedFrom": "algorithmic_fallback:lookup_order(cas>ec>label);basis(cas:14274-82-9);flow_object_candidates(1);elementary_candidates(13);selector(new-elementary-flow-created);exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
  }
}

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