Triple

T18276056
Position Surface form Disambiguated ID Type / Status
Subject Pantabangan River E437736 entity
Predicate partOf P40 FINISHED
Object Pantabangan–Carranglan Watershed — NE NERFINISHED

How this triple was built (3 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Pantabangan–Carranglan Watershed | Statement: [Pantabangan River, partOf, Pantabangan–Carranglan Watershed]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pantabangan–Carranglan Watershed
Context triple: [Pantabangan River, partOf, Pantabangan–Carranglan Watershed]
  • A. Carranglan River
    Carranglan River is a river in Nueva Ecija, Philippines, that serves as a major tributary within the watershed feeding the Pantabangan Dam and its reservoir system.
  • B. Meycauayan River
    Meycauayan River is a heavily polluted river in Bulacan, Philippines, known for flowing through industrial and residential areas before emptying into Manila Bay.
  • C. Tanjay River
    Tanjay River is a waterway in the Philippines that flows through the city of Tanjay in Negros Oriental, supporting local ecosystems and communities.
  • D. Tagum-Libuganon River system
    The Tagum-Libuganon River system is a major river network in Mindanao, Philippines, that flows through Davao del Norte and empties into the Davao Gulf, supporting agriculture, fisheries, and local communities along its course.
  • E. Laoag River
    Laoag River is a major waterway in Ilocos Norte, Philippines, flowing through the city of Laoag and playing an important role in local agriculture and settlement.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pantabangan–Carranglan Watershed
Target entity description: The Pantabangan–Carranglan Watershed is a major protected drainage basin in Nueva Ecija, Philippines, that supplies water for irrigation, power generation, and domestic use in the region.
  • A. Carranglan River chosen
    Carranglan River is a river in Nueva Ecija, Philippines, that serves as a major tributary within the watershed feeding the Pantabangan Dam and its reservoir system.
  • B. Meycauayan River
    Meycauayan River is a heavily polluted river in Bulacan, Philippines, known for flowing through industrial and residential areas before emptying into Manila Bay.
  • C. Tanjay River
    Tanjay River is a waterway in the Philippines that flows through the city of Tanjay in Negros Oriental, supporting local ecosystems and communities.
  • D. Tagum-Libuganon River system
    The Tagum-Libuganon River system is a major river network in Mindanao, Philippines, that flows through Davao del Norte and empties into the Davao Gulf, supporting agriculture, fisheries, and local communities along its course.
  • E. Laoag River
    Laoag River is a major waterway in Ilocos Norte, Philippines, flowing through the city of Laoag and playing an important role in local agriculture and settlement.
  • F. None of above.

Provenance (2 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d8b914530c8190b4474d862a2b2a1b completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e50051bccc8190832eacdb6945d6b7 completed April 19, 2026, 4:18 p.m.
Created at: April 10, 2026, 10:34 a.m.