Triple
T21246554
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tagkawayan, Quezon |
E523625
|
entity |
| Predicate | hasHighway |
P385
|
FINISHED |
| Object | Philippine National Railways South Main Line corridor |
—
|
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: Philippine National Railways South Main Line corridor | Statement: [Tagkawayan, Quezon, hasHighway, Philippine National Railways South Main Line corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Philippine National Railways South Main Line corridor Context triple: [Tagkawayan, Quezon, hasHighway, Philippine National Railways South Main Line corridor]
-
A.
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.
-
B.
Abucay–Mauban Line
The Abucay–Mauban Line was a key World War II defensive position on the Bataan Peninsula in the Philippines, where U.S. and Filipino forces, including the Philippine Scouts, mounted a major stand against the Japanese invasion.
-
C.
Manila LRT Line 2
Manila LRT Line 2 is an elevated rapid transit line in Metro Manila that runs east–west across the city, connecting key residential, commercial, and educational districts.
-
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 Metro Rail Transit System Line 3
Manila Metro Rail Transit System Line 3 is a major elevated rapid transit line running along EDSA in Metro Manila, Philippines, connecting key commercial and business districts across the metropolis.
- 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: Philippine National Railways South Main Line corridor Target entity description: The Philippine National Railways South Main Line corridor is a major railway route in the Philippines that runs south from Metro Manila through provinces such as Quezon, serving as a key transport artery for passengers and freight.
-
A.
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.
-
B.
Abucay–Mauban Line
The Abucay–Mauban Line was a key World War II defensive position on the Bataan Peninsula in the Philippines, where U.S. and Filipino forces, including the Philippine Scouts, mounted a major stand against the Japanese invasion.
-
C.
Manila LRT Line 2
Manila LRT Line 2 is an elevated rapid transit line in Metro Manila that runs east–west across the city, connecting key residential, commercial, and educational districts.
-
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 Metro Rail Transit System Line 3
Manila Metro Rail Transit System Line 3 is a major elevated rapid transit line running along EDSA in Metro Manila, Philippines, connecting key commercial and business districts across the metropolis.
- 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_69e0b5146c108190adc9adb73e90abff |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7359abdac81908b74dad1b8cc0aa9 |
completed | April 21, 2026, 8:30 a.m. |
Created at: April 16, 2026, 3:54 p.m.