Triple
T5502117
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Railways Act 1993 |
E144351
|
entity |
| Predicate | establishedOffice |
P1839
|
FINISHED |
| Object | Office of Passenger Rail Franchising (OPRAF) |
E510387
|
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: Office of Passenger Rail Franchising (OPRAF) | Statement: [Railways Act 1993, establishedOffice, Office of Passenger Rail Franchising (OPRAF)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Office of Passenger Rail Franchising (OPRAF) Context triple: [Railways Act 1993, establishedOffice, Office of Passenger Rail Franchising (OPRAF)]
-
A.
Office of Passenger Rail Franchising
chosen
The Office of Passenger Rail Franchising was a UK government body responsible for awarding and overseeing passenger rail service franchises during the early years of rail privatization.
-
B.
Strategic Rail Authority
The Strategic Rail Authority was a UK government body responsible for overseeing and planning the country’s passenger rail services and franchises in the late 1990s and early 2000s.
-
C.
State Rail Authority
The State Rail Authority was a former New South Wales government agency responsible for operating and managing the state's suburban, intercity, and country passenger rail services.
-
D.
Office of the National Rail Safety Regulator
The Office of the National Rail Safety Regulator is an Australian government body responsible for overseeing and enforcing rail safety standards across the country’s rail networks.
-
E.
Railinfratrust
Railinfratrust is the Dutch state-owned holding company that owns the national railway infrastructure and under which rail network manager ProRail operates.
- 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_69c008f5a2748190bce7a39aabf87a6d |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c01f0a512c81908f077378917e5879 |
completed | March 22, 2026, 4:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c027a67d648190ac8d097202c8ec3d |
completed | March 22, 2026, 5:32 p.m. |
Created at: March 22, 2026, 3:32 p.m.