Triple
T1514762
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amsterdam Metro network |
E32093
|
entity |
| Predicate | North–South LineOpeningDate |
P10389
|
FINISHED |
| Object | July 22, 2018 |
—
|
LITERAL 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: July 22, 2018 | Statement: [Amsterdam Metro network, North–South LineOpeningDate, July 22, 2018]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: North–South LineOpeningDate Context triple: [Amsterdam Metro network, North–South LineOpeningDate, July 22, 2018]
-
A.
metroLineInaugurated
chosen
Indicates that a metro line was officially opened and began operation on a specific date or during a specific event.
-
B.
firstSubwayOpeningDate
Indicates the calendar date on which a subway system or line first began operating.
-
C.
firstSubwayOpeningSegment
Indicates that the subject is the initial segment or section of a subway line that was opened first in its operation or construction sequence.
-
D.
subwayLine
Indicates that there is a subway line connection or service relationship between the referenced entities.
-
E.
lineServed
Indicates that a particular transportation line (such as a bus, train, or metro line) provides service to or is operated at a given stop, station, or route segment.
- F. None of above.
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_69a885e8caf88190a5fbb6159ce87786 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a9396e16408190b5e7b0ac43376d81 |
completed | March 5, 2026, 8:06 a.m. |
| PD | Predicate disambiguation | batch_69a907aa67cc81909f00135365447399 |
completed | March 5, 2026, 4:33 a.m. |
Created at: March 4, 2026, 7:26 p.m.