{
  "summary": [
    {
      "stage": "FY2027 NEP",
      "sourceOccurrences": 11420,
      "screenedOccurrences": 10621,
      "candidatePairs": 73,
      "distinctFlaggedOccurrences": 87,
      "kinds": {
        "Similar title with explicit chainage overlap": 8,
        "Identical normalized full title": 1,
        "Similar title · funded segment unresolved": 64
      },
      "positiveOverlapPairs": 8,
      "exclusionsAndVetoes": {
        "genericTitleExcluded": 753,
        "unresolvedContextExcluded": 8,
        "untrustedTitleExcluded": 13,
        "fapExcluded": 25,
        "disjointChainageVeto": 1235,
        "distinctiveScopeTokenVeto": 9484,
        "locationOrDirectionVeto": 17
      }
    },
    {
      "stage": "FY2027 HGAB 3rd",
      "sourceOccurrences": 16275,
      "screenedOccurrences": 15325,
      "candidatePairs": 135,
      "distinctFlaggedOccurrences": 200,
      "kinds": {
        "Identical normalized full title": 2,
        "Similar title with explicit chainage overlap": 12,
        "Similar title · funded segment unresolved": 121
      },
      "positiveOverlapPairs": 13,
      "exclusionsAndVetoes": {
        "fapExcluded": 29,
        "genericTitleExcluded": 921,
        "disjointChainageVeto": 1200,
        "distinctiveScopeTokenVeto": 30619,
        "locationOrDirectionVeto": 36,
        "trancheVeto": 3
      }
    }
  ],
  "pairs": [
    {
      "stage": "FY2027 NEP",
      "kind": "Similar title with explicit chainage overlap",
      "titleSimilarity": 1.0,
      "contextEvidence": "Same implementing office only; geographic identity unverified",
      "chainage": {
        "has_current_range": true,
        "has_prior_range": true,
        "overlaps": true,
        "current_chainage": "3+670.00–3+875.00",
        "prior_chainage": "2+532.00–3+875.00",
        "chainage_overlap": "3+670.00–3+875.00",
        "chainage_status": "overlap"
      },
      "left": {
        "id": "p347:r10",
        "projectName": "Construction of Drainage along Taft Ave S02958LZ K0003 + 875 - K0002 + 532",
        "pap3": "Construction/ Maintenance of Flood Mitigation Structures and Drainage Systems",
        "office": "South Manila District Engineering Office",
        "amountPesos": 125000000,
        "sourcePage": 347,
        "sourceVolume": "",
        "sourceNepId": "p347:r10",
        "apiId": "2027DPWH-Proposal-00391",
        "sourceEvidence": "within_bbox_agreement"
      },
      "right": {
        "id": "p347:r11",
        "projectName": "Construction of Drainage along Taft Ave S02958LZ K0004 + (-330) - K0003 + 875",
        "pap3": "Construction/ Maintenance of Flood Mitigation Structures and Drainage Systems",
        "office": "South Manila District Engineering Office",
        "amountPesos": 575000000,
        "sourcePage": 347,
        "sourceVolume": "",
        "sourceNepId": "p347:r11",
        "apiId": "2027DPWH-Proposal-00393",
        "sourceEvidence": "within_bbox_agreement"
      }
    },
    {
      "stage": "FY2027 NEP",
      "kind": "Similar title with explicit chainage overlap",
      "titleSimilarity": 1.0,
      "contextEvidence": "Same implementing office only; geographic identity unverified",
      "chainage": {
        "has_current_range": true,
        "has_prior_range": true,
        "overlaps": true,
        "current_chainage": "115+459.00–140+973.00",
        "prior_chainage": "115+459.00–142+357.00 · 115+459.00–142+624.00",
        "chainage_overlap": "115+459.00–140+973.00 · 115+459.00–140+973.00",
        "chainage_status": "overlap"
      },
      "left": {
        "id": "p262:r21",
        "projectName": "Iloilo-Capiz Rd (New Route) - K0115 + 459 - K0115 + 27357, K0115 + 459 - K0115 + 27624",
        "pap3": "Road Widening - Primary Roads",
        "office": "Capiz 2nd District Engineering Office",
        "amountPesos": 84747000,
        "sourcePage": 262,
        "sourceVolume": "",
        "sourceNepId": "p262:r21",
        "apiId": "2027DPWH-Proposal-18278",
        "sourceEvidence": "within_bbox_agreement"
      },
      "right": {
        "id": "p264:r16",
        "projectName": "Iloilo-Capiz Rd (New Route) - K0115 + 459 - K0115 + 25973",
        "pap3": "Road Widening - Primary Roads",
        "office": "Capiz 2nd District Engineering Office",
        "amountPesos": 10892000,
        "sourcePage": 264,
        "sourceVolume": "",
        "sourceNepId": "p264:r16",
        "apiId": "2027DPWH-Proposal-18277",
        "sourceEvidence": "within_bbox_agreement"
      }
    },
    {
      "stage": "FY2027 NEP",
      "kind": "Similar title with explicit chainage overlap",
      "titleSimilarity": 0.9774,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": true,
        "has_prior_range": true,
        "overlaps": true,
        "current_chainage": "0+000.00–0+520.00 · 6+992.00–7+156.20 · 7+201.80–8+301.00",
        "prior_chainage": "0+000.00–0+520.00 · 6+992.00–7+156.20 · 7+201.80–7+292.00",
        "chainage_overlap": "0+000.00–0+520.00 · 6+992.00–7+156.20 · 7+201.80–7+292.00",
        "chainage_status": "overlap"
      },
      "left": {
        "id": "p296:r14",
        "projectName": "Quezon Eco - Tourism - Sariaya - Candelaria - Tiaong - San Antonio Road, Section I: Sta. 0 + 000 - Sta. 0 + 520, Section II: Sta. 6 + 992 - Sta. 7 + 156.2, Section III: Sta. 7 + 201.8 - Sta. 7 + 292, San Antonio, Quezon",
        "pap3": "Construction of Missing Links/ New Roads",
        "office": "Quezon 2nd District Engineering Office",
        "amountPesos": 84700000,
        "sourcePage": 296,
        "sourceVolume": "",
        "sourceNepId": "p296:r14",
        "apiId": "2027DPWH-Proposal-20336",
        "sourceEvidence": "native_row_ambiguity"
      },
      "right": {
        "id": "p296:r15",
        "projectName": "Quezon Eco - Tourism - Sariaya - Candelaria - Tiaong - San Antonio Road, Section I: Sta. 0 + 000 - Sta. 0 + 520, Section II: Sta. 6 + 992 - Sta. 7 + 156.2, Section III: Sta. 7 + 201.8 - Sta. 8 + 301, San Antonio, Quezon",
        "pap3": "Construction of Missing Links/ New Roads",
        "office": "Quezon 2nd District Engineering Office",
        "amountPesos": 76000000,
        "sourcePage": 296,
        "sourceVolume": "",
        "sourceNepId": "p296:r15",
        "apiId": "2027DPWH-Proposal-20339",
        "sourceEvidence": "native_row_ambiguity"
      }
    },
    {
      "stage": "FY2027 NEP",
      "kind": "Similar title with explicit chainage overlap",
      "titleSimilarity": 1.0,
      "contextEvidence": "Same implementing office only; geographic identity unverified",
      "chainage": {
        "has_current_range": true,
        "has_prior_range": true,
        "overlaps": true,
        "current_chainage": "266+528.00–267+249.00 · 267+282.00–267+580.00",
        "prior_chainage": "266+528.00–267+249.00 · 267+282.00–267+580.00 · 271+268.00–271+484.00",
        "chainage_overlap": "266+528.00–267+249.00 · 267+282.00–267+580.00",
        "chainage_status": "overlap"
      },
      "left": {
        "id": "p267:r13",
        "projectName": "Aklan West Rd (Kalibo-Nabas) - K0266 + 528 - K0267 + 249, K0267 + 282 - K0267 + 580, K0271 + 268 - K0271 + 484",
        "pap3": "Road Widening - Secondary Roads",
        "office": "Aklan District Engineering Office",
        "amountPesos": 65675000,
        "sourcePage": 267,
        "sourceVolume": "",
        "sourceNepId": "p267:r13",
        "apiId": "2027DPWH-Proposal-18266",
        "sourceEvidence": "within_bbox_agreement"
      },
      "right": {
        "id": "p272:r11",
        "projectName": "Aklan West Rd (Kalibo-Nabas) - K0266 + 528 - K0267 + 249, K0267 + 282 - K0267 + 580",
        "pap3": "Road Widening - Secondary Roads",
        "office": "Aklan District Engineering Office",
        "amountPesos": 24352000,
        "sourcePage": 272,
        "sourceVolume": "",
        "sourceNepId": "p272:r11",
        "apiId": "2027DPWH-Proposal-31975",
        "sourceEvidence": "within_bbox_agreement"
      }
    },
    {
      "stage": "FY2027 NEP",
      "kind": "Similar title with explicit chainage overlap",
      "titleSimilarity": 1.0,
      "contextEvidence": "Same implementing office only; geographic identity unverified",
      "chainage": {
        "has_current_range": true,
        "has_prior_range": true,
        "overlaps": true,
        "current_chainage": "271+268.00–271+484.00",
        "prior_chainage": "266+528.00–267+249.00 · 267+282.00–267+580.00 · 271+268.00–271+484.00",
        "chainage_overlap": "271+268.00–271+484.00",
        "chainage_status": "overlap"
      },
      "left": {
        "id": "p267:r13",
        "projectName": "Aklan West Rd (Kalibo-Nabas) - K0266 + 528 - K0267 + 249, K0267 + 282 - K0267 + 580, K0271 + 268 - K0271 + 484",
        "pap3": "Road Widening - Secondary Roads",
        "office": "Aklan District Engineering Office",
        "amountPesos": 65675000,
        "sourcePage": 267,
        "sourceVolume": "",
        "sourceNepId": "p267:r13",
        "apiId": "2027DPWH-Proposal-18266",
        "sourceEvidence": "within_bbox_agreement"
      },
      "right": {
        "id": "p272:r12",
        "projectName": "Aklan West Rd (Kalibo-Nabas) - K0271 + 268 - K0271 + 484",
        "pap3": "Road Widening - Secondary Roads",
        "office": "Aklan District Engineering Office",
        "amountPesos": 5282000,
        "sourcePage": 272,
        "sourceVolume": "",
        "sourceNepId": "p272:r12",
        "apiId": "2027DPWH-Proposal-31976",
        "sourceEvidence": "within_bbox_agreement"
      }
    },
    {
      "stage": "FY2027 NEP",
      "kind": "Similar title with explicit chainage overlap",
      "titleSimilarity": 1.0,
      "contextEvidence": "Same implementing office only; geographic identity unverified",
      "chainage": {
        "has_current_range": true,
        "has_prior_range": true,
        "overlaps": true,
        "current_chainage": "2107+552.00–2109+000.00",
        "prior_chainage": "2105+000.00–2107+696.00",
        "chainage_overlap": "2107+552.00–2107+696.00",
        "chainage_status": "overlap"
      },
      "left": {
        "id": "p215:r19",
        "projectName": "Siocon-Sirawai-Sibuco-Limpapa Rd - K2105 + 000 - K2107 + 696",
        "pap3": "Preventive Maintenance - Secondary Roads",
        "office": "Zamboanga del Norte 4th District Engineering Office",
        "amountPesos": 40425000,
        "sourcePage": 215,
        "sourceVolume": "",
        "sourceNepId": "p215:r19",
        "apiId": "2027DPWH-Proposal-16731",
        "sourceEvidence": "within_bbox_agreement"
      },
      "right": {
        "id": "p215:r20",
        "projectName": "Siocon-Sirawai-Sibuco-Limpapa Rd - K2108 + (-448) - K2109 + 000",
        "pap3": "Preventive Maintenance - Secondary Roads",
        "office": "Zamboanga del Norte 4th District Engineering Office",
        "amountPesos": 21720000,
        "sourcePage": 215,
        "sourceVolume": "",
        "sourceNepId": "p215:r20",
        "apiId": "2027DPWH-Proposal-16732",
        "sourceEvidence": "within_bbox_agreement"
      }
    },
    {
      "stage": "FY2027 NEP",
      "kind": "Similar title with explicit chainage overlap",
      "titleSimilarity": 1.0,
      "contextEvidence": "Same implementing office only; geographic identity unverified",
      "chainage": {
        "has_current_range": true,
        "has_prior_range": true,
        "overlaps": true,
        "current_chainage": "109+001.00–110+683.00 · 115+879.00–115+996.00",
        "prior_chainage": "106+513.00–106+952.00 · 108+588.00–109+013.00",
        "chainage_overlap": "109+001.00–109+013.00",
        "chainage_status": "overlap"
      },
      "left": {
        "id": "p235:r17",
        "projectName": "Bacolod South Rd (Kabankalan-Hinobaan Section) - K0105 + 1513 - K0105+1952, K0108 + 588 - K0108 + 1013",
        "pap3": "Rehabilitation/ Reconstruction/ Upgrading of Damaged Paved Roads - Secondary Roads",
        "office": "Negros Occidental 3rd District Engineering Office",
        "amountPesos": 18144000,
        "sourcePage": 235,
        "sourceVolume": "",
        "sourceNepId": "p235:r17",
        "apiId": "2027DPWH-Proposal-24371",
        "sourceEvidence": "within_bbox_agreement"
      },
      "right": {
        "id": "p235:r18",
        "projectName": "Bacolod South Rd (Kabankalan-Hinobaan Section) - K0109 + 001 - K0110 + 683, K0115 + 879 - K0115 + 996",
        "pap3": "Rehabilitation/ Reconstruction/ Upgrading of Damaged Paved Roads - Secondary Roads",
        "office": "Negros Occidental 3rd District Engineering Office",
        "amountPesos": 38283000,
        "sourcePage": 235,
        "sourceVolume": "",
        "sourceNepId": "p235:r18",
        "apiId": "2027DPWH-Proposal-15980",
        "sourceEvidence": "within_bbox_agreement"
      }
    },
    {
      "stage": "FY2027 NEP",
      "kind": "Similar title with explicit chainage overlap",
      "titleSimilarity": 1.0,
      "contextEvidence": "Same implementing office only; geographic identity unverified",
      "chainage": {
        "has_current_range": true,
        "has_prior_range": true,
        "overlaps": true,
        "current_chainage": "0+000.00–0+450.00",
        "prior_chainage": "0+000.00–0+475.00",
        "chainage_overlap": "0+000.00–0+450.00",
        "chainage_status": "overlap"
      },
      "left": {
        "id": "p537:r11",
        "projectName": "Construction of Road with Drainage at Barangay Tawason, Mandaue City - Sta. 0+000.00 - Sta. 0+475.00",
        "pap3": "BIP - Access Roads and/or Bridges from the National Roads leading to Major/ Strategic Public Buildings/ Facilities",
        "office": "Cebu 6th District Engineering Office",
        "amountPesos": 8700000,
        "sourcePage": 537,
        "sourceVolume": "",
        "sourceNepId": "p537:r11",
        "apiId": "2027DPWH-Proposal-08180",
        "sourceEvidence": "within_bbox_agreement"
      },
      "right": {
        "id": "p537:r12",
        "projectName": "Construction of Road with Drainage at Barangay Tawason, Mandaue City, Sta 0+000.00 - Sta 0+450.00",
        "pap3": "BIP - Access Roads and/or Bridges from the National Roads leading to Major/ Strategic Public Buildings/ Facilities",
        "office": "Cebu 6th District Engineering Office",
        "amountPesos": 13875000,
        "sourcePage": 537,
        "sourceVolume": "",
        "sourceNepId": "p537:r12",
        "apiId": "2027DPWH-Proposal-08172",
        "sourceEvidence": "within_bbox_agreement"
      }
    },
    {
      "stage": "FY2027 NEP",
      "kind": "Identical normalized full title",
      "titleSimilarity": 1.0,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "p417:r11",
        "projectName": "Construction (Completion) of Public Water Supply System, Barangay New Taligue, Abuyog, Leyte",
        "pap3": "Water Supply System",
        "office": "Leyte 5th District Engineering Office",
        "amountPesos": 2500000,
        "sourcePage": 417,
        "sourceVolume": "",
        "sourceNepId": "p417:r11",
        "apiId": "2027DPWH-Proposal-37989",
        "sourceEvidence": "within_bbox_agreement"
      },
      "right": {
        "id": "p417:r14",
        "projectName": "Construction (Completion) of Public Water Supply System, Brgy. New Taligue, Abuyog, Leyte",
        "pap3": "Water Supply System",
        "office": "Leyte 5th District Engineering Office",
        "amountPesos": 2500000,
        "sourcePage": 417,
        "sourceVolume": "",
        "sourceNepId": "p417:r14",
        "apiId": "2027DPWH-Proposal-29828",
        "sourceEvidence": "within_bbox_agreement"
      }
    },
    {
      "stage": "FY2027 NEP",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 0.9481,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": true,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "82+350.00–82+550.00",
        "prior_chainage": "30+055.00 · 33+855.00",
        "chainage_overlap": "",
        "chainage_status": "incomplete"
      },
      "left": {
        "id": "p299:r3",
        "projectName": "Malaybalay-Gingoog Road (Gingoog City-Kalhaan, Claveria-Bulonay-Malaybalay City), Brgy. Hagpa, Sta. 30+055. - Sta. 33+855, Impasug-ong, Bukidnon",
        "pap3": "Construction of Missing Links/ New Roads",
        "office": "Bukidnon 1st District Engineering Office",
        "amountPesos": 300000000,
        "sourcePage": 299,
        "sourceVolume": "",
        "sourceNepId": "p299:r3",
        "apiId": "2027DPWH-Proposal-20417",
        "sourceEvidence": "native_row_ambiguity"
      },
      "right": {
        "id": "p299:r4",
        "projectName": "Malaybalay-Gingoog Road (Gingoog City-Kalhaan, Claveria-Bulonay-Malaybalay City), Brgy. Hagpa, Sta. 82+350 - Sta. 82+550, Impasug-ong, Bukidnon",
        "pap3": "Construction of Missing Links/ New Roads",
        "office": "Bukidnon 1st District Engineering Office",
        "amountPesos": 60000000,
        "sourcePage": 299,
        "sourceVolume": "",
        "sourceNepId": "p299:r4",
        "apiId": "2027DPWH-Proposal-20409",
        "sourceEvidence": "native_row_ambiguity"
      }
    },
    {
      "stage": "FY2027 NEP",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 1.0,
      "contextEvidence": "Same implementing office only; geographic identity unverified",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "p208:r12",
        "projectName": "Siocon-Sirawai-Sibuco-Limpapa Rd - (S01151MN) Chainage 13315 - Chainage 15237, Chainage 15520 - Chainage 19774",
        "pap3": "Preventive Maintenance - Secondary Roads",
        "office": "Zamboanga del Norte 4th District Engineering Office",
        "amountPesos": 190461000,
        "sourcePage": 208,
        "sourceVolume": "",
        "sourceNepId": "p208:r12",
        "apiId": "2027DPWH-Proposal-16722",
        "sourceEvidence": "within_bbox_agreement"
      },
      "right": {
        "id": "p215:r16",
        "projectName": "Siocon-Sirawai-Sibuco-Limpapa Rd - (S01151MN) Chainage 20500 - Chainage 21000, Chainage 21400 - Chainage 21800, Chainage 23000 - Chainage 23368, Chainage 29000 - Chainage 29986",
        "pap3": "Preventive Maintenance - Secondary Roads",
        "office": "Zamboanga del Norte 4th District Engineering Office",
        "amountPesos": 33810000,
        "sourcePage": 215,
        "sourceVolume": "",
        "sourceNepId": "p215:r16",
        "apiId": "2027DPWH-Proposal-16723",
        "sourceEvidence": "within_bbox_agreement"
      }
    },
    {
      "stage": "FY2027 NEP",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 1.0,
      "contextEvidence": "Same implementing office only; geographic identity unverified",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "p208:r12",
        "projectName": "Siocon-Sirawai-Sibuco-Limpapa Rd - (S01151MN) Chainage 13315 - Chainage 15237, Chainage 15520 - Chainage 19774",
        "pap3": "Preventive Maintenance - Secondary Roads",
        "office": "Zamboanga del Norte 4th District Engineering Office",
        "amountPesos": 190461000,
        "sourcePage": 208,
        "sourceVolume": "",
        "sourceNepId": "p208:r12",
        "apiId": "2027DPWH-Proposal-16722",
        "sourceEvidence": "within_bbox_agreement"
      },
      "right": {
        "id": "p215:r17",
        "projectName": "Siocon-Sirawai-Sibuco-Limpapa Rd - (S01151MN) Chainage 30016 - Chainage 30473, Chainage 30498 - Chainage 31400, Chainage 31700 - Chainage 32000, Chainage 32300 - Chainage 32790",
        "pap3": "Preventive Maintenance - Secondary Roads",
        "office": "Zamboanga del Norte 4th District Engineering Office",
        "amountPesos": 32235000,
        "sourcePage": 215,
        "sourceVolume": "",
        "sourceNepId": "p215:r17",
        "apiId": "2027DPWH-Proposal-16724",
        "sourceEvidence": "within_bbox_agreement"
      }
    },
    {
      "stage": "FY2027 NEP",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 0.9756,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "p281:r2",
        "projectName": "Mauban Bypass Road (Bridge 3), Mauban, Quezon",
        "pap3": "Construction of By-Pass and Diversion Roads",
        "office": "Quezon 1st District Engineering Office",
        "amountPesos": 150000000,
        "sourcePage": 281,
        "sourceVolume": "",
        "sourceNepId": "p281:r2",
        "apiId": "2027DPWH-Proposal-31767",
        "sourceEvidence": "native_row_ambiguity"
      },
      "right": {
        "id": "p281:r3",
        "projectName": "Mauban Bypass Road (Bridge 4), Mauban, Quezon",
        "pap3": "Construction of By-Pass and Diversion Roads",
        "office": "Quezon 1st District Engineering Office",
        "amountPesos": 60000000,
        "sourcePage": 281,
        "sourceVolume": "",
        "sourceNepId": "p281:r3",
        "apiId": "2027DPWH-Proposal-31768",
        "sourceEvidence": "native_row_ambiguity"
      }
    },
    {
      "stage": "FY2027 NEP",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 0.9756,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "p281:r2",
        "projectName": "Mauban Bypass Road (Bridge 3), Mauban, Quezon",
        "pap3": "Construction of By-Pass and Diversion Roads",
        "office": "Quezon 1st District Engineering Office",
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        "office": "Pangasinan 2nd District Engineering Office",
        "amountPesos": 5000000,
        "sourcePage": "682",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      },
      "right": {
        "id": "HB10858-3-0683-011240",
        "projectName": "Construction of Multi-Purpose Building, Barangay Bayoyong, Basista, Pangasinan",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Pangasinan 2nd District Engineering Office",
        "amountPesos": 5000000,
        "sourcePage": "683",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      }
    },
    {
      "stage": "FY2027 HGAB 3rd",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 0.9875,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "HB10858-3-0855-014694",
        "projectName": "Construction of Multi-Purpose Building (Covered Court), 6, Quinapondan, Eastern Samar, 11.167822, 125.51754",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Eastern Samar District Engineering Office",
        "amountPesos": 5000000,
        "sourcePage": "855",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      },
      "right": {
        "id": "HB10858-3-0855-014695",
        "projectName": "Construction of Multi-Purpose Building, (Covered Court), 5, Quinapondan, Eastern Samar, 11.152669, 125.523014",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Eastern Samar District Engineering Office",
        "amountPesos": 5000000,
        "sourcePage": "855",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      }
    },
    {
      "stage": "FY2027 HGAB 3rd",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 1.0,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "HB10858-3-0864-014860",
        "projectName": "Construction of Multi-Purpose Building, Barangay Capual, Omar, Sulu (6.017660, 121.389930)",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Sulu 2nd District Engineering Office",
        "amountPesos": 5000000,
        "sourcePage": "864",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      },
      "right": {
        "id": "HB10858-3-0864-014861",
        "projectName": "Construction of Multi-Purpose Building, Barangay Capual, Omar, Sulu, (6.035090, 121.382629)",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Sulu 2nd District Engineering Office",
        "amountPesos": 5000000,
        "sourcePage": "864",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      }
    },
    {
      "stage": "FY2027 HGAB 3rd",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 0.9829,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "HB10858-3-0898-015502",
        "projectName": "Construction of Multi-Purpose Building (Covered Court) at Kanibong Elementary School, Barangay Kanibong, Tulunan, Cotabato",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Cotabato 3rd District Engineering Office",
        "amountPesos": 5000000,
        "sourcePage": "898",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      },
      "right": {
        "id": "HB10858-3-0898-015509",
        "projectName": "Construction of Multi-Purpose Building (Covered Court) in Kanibong Elementary School, Barangay Kanibong, Tulunan, Cotabato",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Cotabato 3rd District Engineering Office",
        "amountPesos": 5000000,
        "sourcePage": "898",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      }
    },
    {
      "stage": "FY2027 HGAB 3rd",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 0.9895,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "HB10858-3-0715-011879",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Building 2), Barangay Laoag, San Agustin, Isabela, 16.4418, 121.7367",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Isabela 4th District Engineering Office",
        "amountPesos": 4000000,
        "sourcePage": "715",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      },
      "right": {
        "id": "HB10858-3-0715-011878",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Building 1), Barangay Laoag, San Agustin, Isabela, 16.4417, 121.7359",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Isabela 4th District Engineering Office",
        "amountPesos": 3500000,
        "sourcePage": "715",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      }
    },
    {
      "stage": "FY2027 HGAB 3rd",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 0.989,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "HB10858-3-0713-011852",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Building 2), Barangay Gayong, Cordon, Isabela, 16.649532, 121.48152",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Isabela 4th District Engineering Office",
        "amountPesos": 3500000,
        "sourcePage": "713",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      },
      "right": {
        "id": "HB10858-3-0713-011851",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Building 1), Barangay Gayong, Cordon, Isabela, 16.653409, 121.48671",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Isabela 4th District Engineering Office",
        "amountPesos": 2500000,
        "sourcePage": "713",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      }
    },
    {
      "stage": "FY2027 HGAB 3rd",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 0.9895,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "HB10858-3-0715-011885",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Building 1), Barangay Salay, San Agustin, Isabela, 16.43506, 121.7795",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Isabela 4th District Engineering Office",
        "amountPesos": 3500000,
        "sourcePage": "715",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      },
      "right": {
        "id": "HB10858-3-0715-011886",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Building 2), Barangay Salay, San Agustin, Isabela, 16.76614, 121.76379",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Isabela 4th District Engineering Office",
        "amountPesos": 3500000,
        "sourcePage": "715",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      }
    },
    {
      "stage": "FY2027 HGAB 3rd",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 1.0,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "HB10858-3-0665-010882",
        "projectName": "Construction (Completion) of Multi-Purpose Building, (Covered Court), Barangay Virbira, Carasi, Ilocos Norte",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Ilocos Norte 1st District Engineering Office",
        "amountPesos": 3000000,
        "sourcePage": "665",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      },
      "right": {
        "id": "HB10858-3-0665-010879",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Covered Court), Barangay Virbira, Carasi, Ilocos Norte, 18.153493, 120.792433",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Ilocos Norte 1st District Engineering Office",
        "amountPesos": 2000000,
        "sourcePage": "665",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      }
    },
    {
      "stage": "FY2027 HGAB 3rd",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 0.9892,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "HB10858-3-0714-011854",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Building 2), Barangay Taliktik, Cordon, Isabela, 16.76735, 121.38879",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Isabela 4th District Engineering Office",
        "amountPesos": 3000000,
        "sourcePage": "714",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      },
      "right": {
        "id": "HB10858-3-0714-011853",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Building 1), Barangay Taliktik, Cordon, Isabela, 16.766545, 121.38715",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Isabela 4th District Engineering Office",
        "amountPesos": 2500000,
        "sourcePage": "714",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      }
    },
    {
      "stage": "FY2027 HGAB 3rd",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 0.9896,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "HB10858-3-0714-011856",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Building 2), Barangay Turod Norte, Cordon, Isabela, 16.679269, 121.46919",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Isabela 4th District Engineering Office",
        "amountPesos": 3000000,
        "sourcePage": "714",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      },
      "right": {
        "id": "HB10858-3-0714-011855",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Building 1), Barangay Turod Norte, Cordon, Isabela, 16.679521, 121.46957",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Isabela 4th District Engineering Office",
        "amountPesos": 2500000,
        "sourcePage": "714",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      }
    },
    {
      "stage": "FY2027 HGAB 3rd",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 0.9904,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "HB10858-3-0716-011908",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Building 2), Barangay Ambalatungan, Santiago City, Isabela, 16.706146, 121.535177",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Isabela 4th District Engineering Office",
        "amountPesos": 3000000,
        "sourcePage": "716",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      },
      "right": {
        "id": "HB10858-3-0716-011898",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Building 1), Barangay Ambalatungan, Santiago City, Isabela, 16.709812, 121.53185",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Isabela 4th District Engineering Office",
        "amountPesos": 2500000,
        "sourcePage": "716",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      }
    },
    {
      "stage": "FY2027 HGAB 3rd",
      "kind": "Similar title · funded segment unresolved",
      "titleSimilarity": 0.9905,
      "contextEvidence": "Qualified municipality and province agree",
      "chainage": {
        "has_current_range": false,
        "has_prior_range": false,
        "overlaps": false,
        "current_chainage": "",
        "prior_chainage": "",
        "chainage_overlap": "",
        "chainage_status": "not stated"
      },
      "left": {
        "id": "HB10858-3-0717-011914",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Building 2), Barangay Victory Norte, Santiago City, Isabela, 16.68612364387708, 121.54432878968386",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Isabela 4th District Engineering Office",
        "amountPesos": 2500000,
        "sourcePage": "717",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      },
      "right": {
        "id": "HB10858-3-0717-011929",
        "projectName": "Construction (Completion) of Multi-Purpose Building (Building 1), Barangay Victory Norte, Santiago City, Isabela",
        "pap3": "BIP - Multi-Purpose Buildings/ Facilities to support Social Services",
        "office": "Isabela 4th District Engineering Office",
        "amountPesos": 2500000,
        "sourcePage": "717",
        "sourceVolume": "3- HB 10858 FOR 3RD READING VOL I-C .pdf",
        "sourceNepId": "",
        "apiId": "",
        "sourceEvidence": ""
      }
    }
  ],
  "method": "Compare distinct allocation occurrence IDs within each stage only. FAPs and untrusted NEP primary titles excluded. Same normalized official PAP and either qualified municipality/province or same implementing office required. At least three shared distinctive nonnumeric title tokens required. Same base title after trailing geographic metadata removal, or ≥0.94 SequenceMatcher similarity with qualified municipality/province AND identical distinctive token sets, produces a candidate. Changed route-endpoint or other distinctive scope tokens veto even when text similarity is high. Direction, qualified-location and tranche conflicts veto. Explicit disjoint ranges veto. No amount-equality requirement. Missing chainage never proves scope overlap.",
  "limits": [
    "Matching allocation occurrences does not establish duplicate contracts, duplicate payment, fraud or authorship. Different engineering components and legitimate amendments can share titles.",
    "Office-only agreement is weaker than site evidence. Unresolved locations are never inferred from similar names.",
    "Pair counts are not project counts: three linked records produce three pairs. Distinct occurrence counts are shown separately; amounts are not summed as loss.",
    "Exact official PAP blocking, trusted-title requirements and conservative location rules miss possible cross-program, paraphrased or unresolved duplicates. No flag is not clearance.",
    "Tranche differences are excluded from this conservative queue, not certified as legitimate. Missing chainage requires source and engineering-scope review.",
    "NEP baseline includes source records outside the API. Its documented source-title confidence limits remain applicable."
  ],
  "sources": [
    {
      "file": "nep_dpwh_baseline.json",
      "sha256": "2bad8f0c3b75458ec1b97b1ee23abd4fcf22c007b40494b40fd72b5f802dc227"
    },
    {
      "file": "hb_nep_comparison_3rd.csv",
      "sha256": "6358f901c9416f7c6cde9328e5a65ac05f6d8962f0bdf6bab3c5f0ef124d36c9"
    },
    {
      "file": "philippine_locations.sqlite",
      "sha256": "d5da67fb29bea9b6227be68374133270cc48d983da24b194eb975ae0aa783dfb"
    }
  ]
}
