Triple
T5560412
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Luton DART |
E145750
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Abellio |
E122414
|
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: Abellio | Statement: [Luton DART, operator, Abellio]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Abellio Context triple: [Luton DART, operator, Abellio]
-
A.
Abellio
chosen
Abellio is a Dutch-based public transport company that operates train and bus services in the United Kingdom and parts of Europe.
-
B.
Urban Rail Transport S.A.
Urban Rail Transport S.A. is the public company responsible for operating and managing urban rail systems in Athens, Greece, including metro and tram services.
-
C.
Systra
Systra is a global engineering and consulting firm specializing in mass transit and rail infrastructure projects.
-
D.
KeolisAmey Metrolink
KeolisAmey Metrolink is the private operator responsible for running and maintaining Greater Manchester’s Metrolink light rail network in England.
-
E.
Adif
Adif is Spain’s state-owned railway infrastructure manager responsible for the construction, maintenance, and operation of most of the country’s rail network and stations.
- 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_69c008fcaf788190bafa02a1917ee73b |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c0201857848190a5443b51bcdb63fa |
completed | March 22, 2026, 5 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c028424ddc8190869b530a8eb43f50 |
completed | March 22, 2026, 5:34 p.m. |
Created at: March 22, 2026, 3:36 p.m.