Triple
T6302137
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vijzelgracht metro station |
E141280
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object | Amsterdam Metro Line 52 |
E164211
|
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: Amsterdam Metro Line 52 | Statement: [Vijzelgracht metro station, servedByLine, Amsterdam Metro Line 52]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amsterdam Metro Line 52 Context triple: [Vijzelgracht metro station, servedByLine, Amsterdam Metro Line 52]
-
A.
Amsterdam Metro line 52
chosen
Amsterdam Metro line 52, also known as the North–South Line, is a major rapid transit route in Amsterdam running between the city’s northern and southern districts via the central station.
-
B.
Amsterdam Metro line 51
Amsterdam Metro line 51 was a former hybrid metro–light rail line in Amsterdam that connected the city center with the southern suburbs, notably serving areas like Amstelveen.
-
C.
Amsterdam Metro line 53
Amsterdam Metro line 53 is a rapid transit line in Amsterdam that runs between Centraal Station and Gaasperplas, serving southeastern parts of the city.
-
D.
Amsterdam Metro line 54
Amsterdam Metro line 54 is one of the main rapid transit lines in Amsterdam’s metro network, running from the city center to the southeastern suburbs.
-
E.
Rotterdam Metro
The Rotterdam Metro is the rapid transit system serving Rotterdam and surrounding municipalities in the Netherlands, providing high-frequency urban and suburban rail connections.
- 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_69c008cf0ad4819095def81e2bd42f9f |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c0645cfca88190ace060ef5b0e00e8 |
completed | March 22, 2026, 9:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c62d2cd75c81908961633a7ccf5dc9 |
completed | March 27, 2026, 7:09 a.m. |
Created at: March 22, 2026, 4:27 p.m.