Triple
T17061706
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Philippine National Railways North Main Line (historical) |
E413975
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object | Philippine National Railways |
E742245
|
NE FINISHED |
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: Philippine National Railways | Statement: [Philippine National Railways North Main Line (historical), owner, Philippine National Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Philippine National Railways Context triple: [Philippine National Railways North Main Line (historical), owner, Philippine National Railways]
-
A.
Philippine National Railways
chosen
Philippine National Railways is the state-owned railway company of the Philippines that operates commuter and long-distance train services across key regions of the country.
-
B.
Light Rail Manila Corporation
Light Rail Manila Corporation is a private consortium responsible for operating and maintaining Manila’s Light Rail Transit Line 1 under a public–private partnership with the Philippine government.
-
C.
Philippine National Railways North Main Line (historical)
The Philippine National Railways North Main Line (historical) was a major railway route on the island of Luzon that once connected Manila to northern provinces, facilitating passenger and freight transport before its decline and partial abandonment.
-
D.
Manila Metro Rail Transit System
The Manila Metro Rail Transit System is a rapid transit network in Metro Manila, Philippines, providing elevated urban rail services along some of the city's busiest corridors.
-
E.
Manila Light Rail Transit System
The Manila Light Rail Transit System is an urban rapid transit network in Metro Manila, Philippines, providing high-capacity rail services along key commuter corridors.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d886cde3d481908d4d01ba88ba7eb7 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3db7dea7481909e3e0bc836d27336 |
completed | April 18, 2026, 7:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a012ed7f6fc81908d27a6581fcfa265 |
completed | May 11, 2026, 1:20 a.m. |
Created at: April 10, 2026, 5:34 a.m.