Triple
T20740408
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hoekse Lijn (metro line B) |
E510422
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object | Rotterdam Metro trains |
—
|
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: Rotterdam Metro trains | Statement: [Hoekse Lijn (metro line B), usesRollingStock, Rotterdam Metro trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rotterdam Metro trains Context triple: [Hoekse Lijn (metro line B), usesRollingStock, Rotterdam Metro trains]
-
A.
Amsterdam Metro M5 series
The Amsterdam Metro M5 series is a modern generation of metro trains used on Amsterdam’s rapid transit network, featuring improved capacity, accessibility, and energy efficiency compared to older rolling stock.
-
B.
Amsterdam Metro M4 series
The Amsterdam Metro M4 series is a generation of electric multiple-unit metro trains that operate on Amsterdam’s rapid transit network.
-
C.
Rotterdam Metro
chosen
The Rotterdam Metro is the rapid transit system serving Rotterdam and surrounding municipalities in the Netherlands, providing high-frequency urban and suburban rail connections.
-
D.
Rotterdam tram network
The Rotterdam tram network is an extensive urban light rail system serving the city of Rotterdam and its suburbs, providing frequent public transport connections across the metropolitan area.
-
E.
Amsterdam Metro rolling stock fleet
The Amsterdam Metro rolling stock fleet comprises the various train types and series used to operate metro services across the Amsterdam rapid transit network.
- 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_69e0b4c845e88190b4c5f3ae79291182 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c20e76ac8190985203b2c17aca14 |
completed | April 21, 2026, 12:17 a.m. |
Created at: April 16, 2026, 12:32 p.m.