Triple

T18276056
Position Surface form Disambiguated ID Type / Status
Subject Pantabangan River E437736 entity
Predicate partOf P40 FINISHED
Object Pantabangan–Carranglan Watershed
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.
E1251086 NE FINISHED

How this triple was built (4 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.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Pantabangan–Carranglan Watershed
Triple: [Pantabangan River, partOf, Pantabangan–Carranglan Watershed]
Generated 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.
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 (5 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.
NED1 Entity disambiguation (via context triple) batch_6a03b3fdff648190a738adf86d8d470b completed May 12, 2026, 11:13 p.m.
NEDg Description generation batch_6a03b4bb6ae48190a68c2a3314f0d3ba completed May 12, 2026, 11:16 p.m.
NED2 Entity disambiguation (via description) batch_6a03b56958a0819088613a9726c71819 completed May 12, 2026, 11:19 p.m.
Created at: April 10, 2026, 10:34 a.m.