Triple
T20885719
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Angat–Ipo–La Mesa water system |
E514273
|
entity |
| Predicate | usesRiverBasin |
P72732
|
FINISHED |
| Object | Angat River basin |
—
|
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: Angat River basin | Statement: [Angat–Ipo–La Mesa water system, usesRiverBasin, Angat River basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Angat River basin Context triple: [Angat–Ipo–La Mesa water system, usesRiverBasin, Angat River basin]
-
A.
Angat River system
chosen
The Angat River system is a major river network in Bulacan, Philippines, that supplies water, hydroelectric power, and irrigation to Metro Manila and surrounding provinces.
-
B.
Angat
Angat is a landlocked municipality in the province of Bulacan in the Philippines, known for its river and proximity to the Angat Dam and watershed area.
-
C.
Agno River basin
The Agno River basin is a major watershed in Luzon, Philippines, encompassing extensive agricultural, urban, and coastal areas that drain into the Lingayen Gulf.
-
D.
Mutirikwi River basin
The Mutirikwi River basin is a river catchment area in southeastern Zimbabwe that encompasses Lake Mutirikwi and its dam, supporting regional water supply, irrigation, and ecosystems.
-
E.
Ulúa River basin
The Ulúa River basin is a major watershed in western Honduras that collects runoff from surrounding highlands and supports important agricultural and population centers before draining into the Caribbean Sea.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: usesRiverBasin Context triple: [Angat–Ipo–La Mesa water system, usesRiverBasin, Angat River basin]
-
A.
associatedRiverBasin
chosen
Indicates that one entity is linked to, or lies within the drainage area of, a particular river basin.
-
B.
resourceBasin
Indicates a relationship where a basin serves as a source or reservoir of resources for another entity or area.
-
C.
countryDownstreamBasin
Indicates that one country lies within the downstream portion of a river basin relative to another country or reference point.
-
D.
hasHeadwatersOf
Indicates that a specified location or feature is the source or origin point of a particular river or watercourse.
-
E.
hasHeadwatersIn
Indicates that the source or origin of a river, stream, or similar watercourse is located within a specified geographic area or feature.
- F. None of above.
Provenance (3 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. |
| PD | Predicate disambiguation | batch_69e5c9a8dc148190b33ff51894e2a8f9 |
completed | April 20, 2026, 6:37 a.m. |
Created at: April 16, 2026, 12:46 p.m.