Triple
T7629352
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | M5 metro trains |
E172719
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object |
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.
|
E679027
|
NE FINISHED |
How this triple was built (4 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 rolling stock fleet | Statement: [M5 metro trains, partOf, Amsterdam Metro rolling stock fleet]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amsterdam Metro rolling stock fleet Context triple: [M5 metro trains, partOf, Amsterdam Metro rolling stock fleet]
-
A.
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.
-
B.
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.
-
C.
Amsterdam tram network
The Amsterdam tram network is an extensive urban light rail system that serves as a primary mode of public transportation throughout Amsterdam, connecting key squares, neighborhoods, and transit hubs.
-
D.
Amsterdam Metro network
The Amsterdam Metro network is the rapid transit system serving Amsterdam and surrounding areas, consisting of multiple underground and surface lines that connect key neighborhoods, suburbs, and transport hubs across the city.
-
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. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Amsterdam Metro rolling stock fleet Triple: [M5 metro trains, partOf, Amsterdam Metro rolling stock fleet]
Generated description
The Amsterdam Metro rolling stock fleet comprises the various train types and series used to operate metro services across the Amsterdam rapid transit network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Amsterdam Metro rolling stock fleet Target entity description: The Amsterdam Metro rolling stock fleet comprises the various train types and series used to operate metro services across the Amsterdam rapid transit network.
-
A.
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.
-
B.
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.
-
C.
Amsterdam tram network
The Amsterdam tram network is an extensive urban light rail system that serves as a primary mode of public transportation throughout Amsterdam, connecting key squares, neighborhoods, and transit hubs.
-
D.
Amsterdam Metro network
The Amsterdam Metro network is the rapid transit system serving Amsterdam and surrounding areas, consisting of multiple underground and surface lines that connect key neighborhoods, suburbs, and transport hubs across the city.
-
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. chosen
Provenance (5 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_69c699517e348190bd3348b6889200f2 |
completed | March 27, 2026, 2:50 p.m. |
| NER | Named-entity recognition | batch_69c6fa84adb08190885138fc9b908ebf |
completed | March 27, 2026, 9:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c89ab1132481909e525e90764df041 |
completed | March 29, 2026, 3:21 a.m. |
| NEDg | Description generation | batch_69c89b9d22e88190b08543c975ce7898 |
completed | March 29, 2026, 3:25 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c89c2e62848190a5339707ba401772 |
completed | March 29, 2026, 3:27 a.m. |
Created at: March 27, 2026, 3:56 p.m.