Triple
T23143521
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Passenger Rail Agency of South Africa |
E577524
|
entity |
| Predicate | abbreviation |
P43
|
FINISHED |
| Object | PRASA |
—
|
NE NERFINISHED |
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: PRASA | Statement: [Passenger Rail Agency of South Africa, abbreviation, PRASA]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PRASA Context triple: [Passenger Rail Agency of South Africa, abbreviation, PRASA]
-
A.
PRASA
chosen
PRASA is South Africa’s state-owned passenger rail agency responsible for operating and managing most of the country’s commuter and long-distance passenger train services.
-
B.
PRASA
PRASA is the public corporation responsible for providing water and wastewater services throughout Puerto Rico.
-
C.
KTM Komuter
KTM Komuter is a Malaysian commuter rail service operating in the Greater Kuala Lumpur area and surrounding regions, providing frequent, affordable suburban train connections.
-
D.
Prambanan Express
Prambanan Express is a commuter train service operating in Indonesia between Yogyakarta and Surakarta (Solo), serving daily passengers along this busy intercity corridor.
-
E.
KRL
KRL is a Pakistani nuclear and defense research facility known for its key role in the development of Pakistan’s nuclear weapons program.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e245f8e6248190ba3d58e068b4dccb |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18ecc3710819088ac5d72dad0459a |
completed | April 29, 2026, 4:53 a.m. |
Created at: April 17, 2026, 4 p.m.