Triple
T13588438
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kereta Api Indonesia |
E324630
|
entity |
| Predicate | predecessor |
P97
|
FINISHED |
| Object | Perusahaan Umum Kereta Api |
E1048333
|
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: Perusahaan Umum Kereta Api | Statement: [Kereta Api Indonesia, predecessor, Perusahaan Umum Kereta Api]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Perusahaan Umum Kereta Api Context triple: [Kereta Api Indonesia, predecessor, Perusahaan Umum Kereta Api]
-
A.
Perusahaan Jawatan Kereta Api
chosen
Perusahaan Jawatan Kereta Api was the former state-owned railway agency of Indonesia that managed and operated the country’s rail transport system before its reorganization into Kereta Api Indonesia.
-
B.
Kereta Api Indonesia
Kereta Api Indonesia is Indonesia’s state-owned railway company responsible for operating the country’s passenger and freight rail services.
-
C.
GB Railways
GB Railways was a British train operating company that owned and managed several passenger rail franchises in the UK following rail privatization.
-
D.
Railway Bureau of Japan
The Railway Bureau of Japan is a governmental body responsible for planning, regulating, and overseeing the nation’s railway systems and policies.
-
E.
Japanese National Railways
Japanese National Railways was Japan’s former state-owned railway company that operated the country’s nationwide rail network until its privatization and breakup in 1987.
- 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_69d80769100c819099111274614f5ed2 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbb054c6008190839384ce26e8f71a |
completed | April 12, 2026, 2:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f77f8deae88190b932a57789c70e77 |
completed | May 3, 2026, 5:02 p.m. |
Created at: April 9, 2026, 9:49 p.m.