Triple
T1443341
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amsterdam Metro line 53 |
E31122
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object |
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.
|
E171751
|
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 M5 series | Statement: [Amsterdam Metro line 53, usesRollingStock, Amsterdam Metro M5 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amsterdam Metro M5 series Context triple: [Amsterdam Metro line 53, usesRollingStock, Amsterdam Metro M5 series]
-
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 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.
-
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 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.
-
E.
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.
- 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 M5 series Triple: [Amsterdam Metro line 53, usesRollingStock, Amsterdam Metro M5 series]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Amsterdam Metro M5 series Target entity description: 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.
-
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 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.
-
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 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.
-
E.
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.
- 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_69a4991633388190a4d61b5a98aa407a |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c533a158819084d0917776edb6e5 |
completed | March 1, 2026, 11:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad2328670c819087a2d8b047b67ee8 |
completed | March 8, 2026, 7:20 a.m. |
| NEDg | Description generation | batch_69ad23ac782481909575f00ce3d7b382 |
completed | March 8, 2026, 7:22 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad24411d0081909ab2fab326eecd6d |
completed | March 8, 2026, 7:24 a.m. |
Created at: March 1, 2026, 8 p.m.