Brightway Flows 1.0
GitHub

bafu 2026-v1

algorithm
Name
Xenon-131m
Context
emissions to air → low. pop.
Unit
Bq
CAS
EC
Basis
label Xenon-131m
Method
algorithm
Substance
fo-d674cd1644accd9a
Target flow
119e2851-0176-4077-a62b-2de79a03e15b

What it could have been

1 flow between them, 5 of them eligible after the dimension and media filter.

Score Name Unit Context LCIA Flow
0 Xenon-131m kBq Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile) 0 119e2851-0176-4077-a62b-2de79a03e15b
Everything this outcome recorded
{
  "source_uuid": "82dcc6f0-c086-56f5-9543-cad28c06b53a",
  "source_name": "Xenon-131m",
  "source_context": [
    "emissions to air",
    "low. pop."
  ],
  "source_context_normalized": [
    "Environmental",
    "Air",
    "Medium stack, <150 meters",
    "Rural (<1000 people/square mile)"
  ],
  "source_context_iri": "https://vocab.brightway.one/flow-contexts/envi-air-mest15me-ru10pesq",
  "source_unit": "Bq",
  "source_cas": "",
  "source_ec": "",
  "flow_object_id": "fo-d674cd1644accd9a",
  "target_name": "Xenon-131m",
  "target_elementary_flow_id": "119e2851-0176-4077-a62b-2de79a03e15b",
  "target_context": [
    "Environmental",
    "Air",
    "Medium stack, <150 meters",
    "Rural (<1000 people/square mile)"
  ],
  "target_unit": "kBq",
  "basis": "label",
  "basis_value": "Xenon-131m",
  "selector_reason": "exact-context-iri-match",
  "matching_method": "algorithm",
  "algorithm_details": {
    "flow_object_candidate_count": 1,
    "elementary_candidate_count": 5,
    "eligible_candidate_count": 5,
    "filtered_out_context_mismatch_count": 0,
    "required_dimension": "Environmental",
    "required_media": "Air",
    "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": "119e2851-0176-4077-a62b-2de79a03e15b",
        "score": 0,
        "unit_exact": false,
        "context_overlap": 0,
        "context_penalty": 0,
        "context_iri_exact": true,
        "unit": "kBq",
        "context": [
          "Environmental",
          "Air",
          "Medium stack, <150 meters",
          "Rural (<1000 people/square mile)"
        ],
        "context_iri": "https://vocab.brightway.one/flow-contexts/envi-air-mest15me-ru10pesq"
      }
    ],
    "scored_candidates": [
      {
        "elementary_flow_id": "119e2851-0176-4077-a62b-2de79a03e15b",
        "score": 0,
        "unit_exact": false,
        "context_overlap": 0,
        "context_penalty": 0,
        "context_iri_exact": true,
        "unit": "kBq",
        "context": [
          "Environmental",
          "Air",
          "Medium stack, <150 meters",
          "Rural (<1000 people/square mile)"
        ],
        "context_iri": "https://vocab.brightway.one/flow-contexts/envi-air-mest15me-ru10pesq"
      }
    ],
    "winning_score": null,
    "tie_on_top_score": false,
    "source_context_original": [
      "emissions to air",
      "low. pop."
    ],
    "source_context_normalized": [
      "Environmental",
      "Air",
      "Medium stack, <150 meters",
      "Rural (<1000 people/square mile)"
    ],
    "source_context_used_for_matching": [
      "Environmental",
      "Air",
      "Medium stack, <150 meters",
      "Rural (<1000 people/square mile)"
    ],
    "source_context_matching_basis": "normalized"
  },
  "provenance": {
    "prov:wasGeneratedBy": "merge_bafu",
    "prov:wasAttributedTo": "consensus-flow-list",
    "prov:hadPrimarySource": [
      "bafu:2026-v1:82dcc6f0-c086-56f5-9543-cad28c06b53a",
      "Xenon-131m",
      "",
      "algorithm.lookup_order=cas>ec>label",
      "algorithm.basis=label:Xenon-131m",
      "algorithm.flow_object_candidates=1",
      "algorithm.elementary_candidates=5",
      "algorithm.selector_reason=exact-context-iri-match",
      "algorithm.score_rule=exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
    ],
    "prov:wasDerivedFrom": "algorithmic_fallback:lookup_order(cas>ec>label);basis(label:Xenon-131m);flow_object_candidates(1);elementary_candidates(5);selector(exact-context-iri-match);exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
  }
}

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