Triple
T20885729
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Angat–Ipo–La Mesa water system |
E514273
|
entity |
| Predicate | hasStorageFacility |
P3676
|
FINISHED |
| Object | Ipo reservoir |
—
|
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: Ipo reservoir | Statement: [Angat–Ipo–La Mesa water system, hasStorageFacility, Ipo reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ipo reservoir Context triple: [Angat–Ipo–La Mesa water system, hasStorageFacility, Ipo reservoir]
-
A.
Itá Reservoir
Itá Reservoir is an artificial lake in southern Brazil formed by the Itá Dam on the Uruguay River, used primarily for hydroelectric power generation and regional water management.
-
B.
Yesa Reservoir
Yesa Reservoir is a large artificial lake on the Aragón River in northern Spain, known for water supply, irrigation, and hydroelectric power within the Ebro basin.
-
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.
Pocharam Reservoir
Pocharam Reservoir is a scenic water body and popular tourist spot in Telangana, India, known for its surrounding wildlife sanctuary and opportunities for birdwatching and nature outings.
-
E.
Murum Reservoir
Murum Reservoir is a large artificial lake in Sarawak, Malaysia, formed by the Murum Dam as part of a major hydroelectric power project on the Murum River.
- 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: Ipo reservoir Target entity description: Ipo Reservoir is a key water storage and regulation facility in the Philippines that helps supply potable water to Metro Manila as part of the Angat–Ipo–La Mesa water system.
-
A.
Itá Reservoir
Itá Reservoir is an artificial lake in southern Brazil formed by the Itá Dam on the Uruguay River, used primarily for hydroelectric power generation and regional water management.
-
B.
Yesa Reservoir
Yesa Reservoir is a large artificial lake on the Aragón River in northern Spain, known for water supply, irrigation, and hydroelectric power within the Ebro basin.
-
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.
Pocharam Reservoir
Pocharam Reservoir is a scenic water body and popular tourist spot in Telangana, India, known for its surrounding wildlife sanctuary and opportunities for birdwatching and nature outings.
-
E.
Murum Reservoir
Murum Reservoir is a large artificial lake in Sarawak, Malaysia, formed by the Murum Dam as part of a major hydroelectric power project on the Murum River.
- F. None of above. chosen
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.