Triple
T22300136
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Stadler Variobahn |
E551231
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Croydon Tramlink |
—
|
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: Croydon Tramlink | Statement: [Stadler Variobahn, operator, Croydon Tramlink]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Croydon Tramlink Context triple: [Stadler Variobahn, operator, Croydon Tramlink]
-
A.
Tramlink
chosen
Tramlink is a light rail tram system serving the Croydon area and surrounding districts in South London.
-
B.
Sheffield Supertram
Sheffield Supertram is a modern light rail and tram network serving the city of Sheffield and its surrounding areas in South Yorkshire, England.
-
C.
Nottingham Express Transit
Nottingham Express Transit is a modern tram network serving the city of Nottingham and its surrounding areas in England.
-
D.
Carmelit line
The Carmelit line is a short underground funicular railway in Haifa, Israel, connecting several central city locations via a steep hillside route.
-
E.
Riverside Line
The Riverside Line is a Metrolink commuter rail route in Southern California that connects Los Angeles with cities in the Inland Empire, including Riverside.
- 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_69e11e46c0188190800181a4233f28fe |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f1572399148190853c4e91fcf9f38c |
completed | April 29, 2026, 12:56 a.m. |
Created at: April 16, 2026, 8:41 p.m.