Triple
T15961000
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Near Calumpit, Luzon, Philippine Islands |
E387057
|
entity |
| Predicate | relatedTo |
P37
|
FINISHED |
| Object | Manila–Dagupan railway line |
E413975
|
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: Manila–Dagupan railway line | Statement: [Near Calumpit, Luzon, Philippine Islands, relatedTo, Manila–Dagupan railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Manila–Dagupan railway line Context triple: [Near Calumpit, Luzon, Philippine Islands, relatedTo, Manila–Dagupan railway line]
-
A.
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.
-
B.
Philippine National Railways North Main Line (historical)
chosen
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.
-
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.
Pangrango Line
The Pangrango Line is a passenger railway route in West Java, Indonesia, connecting Bogor with Sukabumi and serving as an important regional commuter and intercity link.
-
E.
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.
- 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_69d86da882448190a82ea962fe343b79 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e156ff4cdc81908db31394eaa191bc |
completed | April 16, 2026, 9:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffbe827d248190adbfd41f55638ebd |
completed | May 9, 2026, 11:08 p.m. |
Created at: April 10, 2026, 4:53 a.m.