Brightway Flows 1.0
GitHub

bafu 2026-v1

algorithm
Name
Lead-210
Context
emissions to water → river
Unit
Bq
CAS
14255-04-0
EC
Basis
cas 14255-04-0
Method
algorithm
Substance
fo-35dfc4c164eb199e
Target flow
04b55598d9524315093a4459314c08008743b626

What it could have been

6 flows between them, 6 of them eligible after the dimension and media filter, 8 removed because the context did not agree, and 6 tied on the winning score of 1.

Score Name Unit Context LCIA Flow
1 tied Lead-210 kBq Environmental → Water → Surface water 0 08a91e70-3ddc-11dd-95d4-0050c2490048
1 tied Lead-210 kBq Environmental → Water → Long-term 0 08a91e70-3ddc-11dd-95d5-0050c2490048
1 tied Lead-210 kBq Environmental → Water → Unknown 0 4d9a8790-3ddd-11dd-9812-0050c2490048
1 tied Lead-210 kBq Environmental → Water → Ocean 0 4d9a8790-3ddd-11dd-9813-0050c2490048
1 tied Lead-210 kBq Environmental → Water → Unconfined aquifer 0 0450794d28cdf812b12765300a4c25c6d08e83fd
1 tied Lead-210 kBq Environmental → Water → Lake 0 935dfff411772f4d78b632cf6eaa95757076aed5
Everything this outcome recorded
{
  "source_uuid": "152330ae-69c1-564e-977d-f132d9912b0c",
  "source_name": "Lead-210",
  "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": "14255-04-0",
  "source_ec": "",
  "flow_object_id": "fo-35dfc4c164eb199e",
  "target_name": "Lead-210",
  "target_elementary_flow_id": "04b55598d9524315093a4459314c08008743b626",
  "target_context": [
    "Environmental",
    "Water",
    "River"
  ],
  "target_unit": "kBq",
  "basis": "cas",
  "basis_value": "14255-04-0",
  "selector_reason": "new-elementary-flow-created",
  "matching_method": "algorithm",
  "algorithm_details": {
    "flow_object_candidate_count": 1,
    "elementary_candidate_count": 14,
    "eligible_candidate_count": 6,
    "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-95d4-0050c2490048",
        "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-95d5-0050c2490048",
        "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": "4d9a8790-3ddd-11dd-9812-0050c2490048",
        "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": "4d9a8790-3ddd-11dd-9813-0050c2490048",
        "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": "0450794d28cdf812b12765300a4c25c6d08e83fd",
        "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-95d4-0050c2490048",
        "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-95d5-0050c2490048",
        "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": "4d9a8790-3ddd-11dd-9812-0050c2490048",
        "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": "4d9a8790-3ddd-11dd-9813-0050c2490048",
        "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": "0450794d28cdf812b12765300a4c25c6d08e83fd",
        "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"
      },
      {
        "elementary_flow_id": "935dfff411772f4d78b632cf6eaa95757076aed5",
        "score": 1,
        "unit_exact": false,
        "context_overlap": 2,
        "context_penalty": 1,
        "context_iri_exact": false,
        "unit": "kBq",
        "context": [
          "Environmental",
          "Water",
          "Lake"
        ],
        "context_iri": "https://vocab.brightway.one/flow-contexts/envi-wate-lake"
      }
    ],
    "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-v1:152330ae-69c1-564e-977d-f132d9912b0c",
      "Lead-210",
      "",
      "algorithm.lookup_order=cas>ec>label",
      "algorithm.basis=cas:14255-04-0",
      "algorithm.flow_object_candidates=1",
      "algorithm.elementary_candidates=14",
      "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:14255-04-0);flow_object_candidates(1);elementary_candidates(14);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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