Triple
T20885728
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Angat–Ipo–La Mesa water system |
E514273
|
entity |
| Predicate | hasStorageFacility |
P3676
|
FINISHED |
| Object | Angat reservoir |
—
|
NE NERFINISHED |
How this triple was built (2 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: Angat reservoir | Statement: [Angat–Ipo–La Mesa water system, hasStorageFacility, Angat reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Angat reservoir Context triple: [Angat–Ipo–La Mesa water system, hasStorageFacility, Angat reservoir]
-
A.
Angat Dam
chosen
Angat Dam is a major concrete water reservoir and hydroelectric facility in Bulacan, Philippines, that supplies much of Metro Manila’s potable water and power.
-
B.
Salto Grande Reservoir
Salto Grande Reservoir is a large artificial lake on the Uruguay River, created by the Salto Grande Dam on the border between Argentina and Uruguay, used for hydroelectric power generation, irrigation, and recreation.
-
C.
Tominé Reservoir
Tominé Reservoir is a large artificial lake in Colombia’s Cundinamarca department, known for supplying water to Bogotá and serving as a popular site for sailing and other water sports.
-
D.
La Angostura Reservoir
La Angostura Reservoir is a large artificial lake in Chiapas, Mexico, created by the Angostura Dam and used primarily for hydroelectric power generation, irrigation, and flood control.
-
E.
Pangue Reservoir
Pangue Reservoir is an artificial lake in Chile formed by the Pangue Dam on the Biobío River, primarily used for hydroelectric power generation.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0b4f733f081908a401c0b7beb0b9f |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c67c9d1c81908031eb77c124f119 |
completed | April 21, 2026, 12:36 a.m. |
Created at: April 16, 2026, 12:46 p.m.