Triple
T7440961
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amsterdam Metro M5 series |
E171751
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Gemeente Vervoerbedrijf |
E488653
|
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: Gemeente Vervoerbedrijf | Statement: [Amsterdam Metro M5 series, operator, Gemeente Vervoerbedrijf]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gemeente Vervoerbedrijf Context triple: [Amsterdam Metro M5 series, operator, Gemeente Vervoerbedrijf]
-
A.
Gemeentelijk Vervoerbedrijf
chosen
Gemeentelijk Vervoerbedrijf is Amsterdam’s primary public transport company, operating the city’s trams, buses, metro, and ferries.
-
B.
Société des Transports Intercommunaux de Bruxelles
The Société des Transports Intercommunaux de Bruxelles (STIB/MIVB) is the main public transport operator in Brussels, managing the city’s metro, tram, and bus networks.
-
C.
STIB-MIVB
STIB-MIVB is the primary public transport company in Brussels, Belgium, operating the city’s metro, tram, and bus networks.
-
D.
GVB Ferries
GVB Ferries is the ferry service operating across Amsterdam’s waterways, providing frequent, short-distance crossings that connect key parts of the city as part of its public transport system.
-
E.
GVB Amsterdam
GVB Amsterdam is the primary public transport operator in Amsterdam, running the city’s trams, buses, metros, and ferries.
- 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_69c68a64228c8190affaec2a8127ce7b |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f34d84008190936af2b3670ef210 |
completed | March 27, 2026, 9:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c827976b9081909ac722b397ae0d97 |
completed | March 28, 2026, 7:10 p.m. |
Created at: March 27, 2026, 3:13 p.m.