Triple
T10574815
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 4 (Barcelona Metro) |
E249580
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object |
Barcelona Metro 2100 series
The Barcelona Metro 2100 series is a class of electric multiple unit trains used on the Barcelona Metro network, known for their modern design and operation on Line 4.
|
E871718
|
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: Barcelona Metro 2100 series | Statement: [Line 4 (Barcelona Metro), hasRollingStock, Barcelona Metro 2100 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Barcelona Metro 2100 series Context triple: [Line 4 (Barcelona Metro), hasRollingStock, Barcelona Metro 2100 series]
-
A.
Barcelona Metro Series 5000 trains
The Barcelona Metro Series 5000 trains are modern, air-conditioned electric multiple units designed for high-capacity, driver-operated service on several lines of the Barcelona Metro network.
-
B.
Barcelona Metro Series 9000 trains
The Barcelona Metro Series 9000 trains are modern, fully accessible electric multiple units designed for automated operation on newer lines of the Barcelona Metro network.
-
C.
Barcelona Metro
Barcelona Metro is the rapid transit rail network serving the city of Barcelona and its metropolitan area, known for its extensive coverage and integration with other public transport modes.
-
D.
Madrid Metro class 8000 trains
The Madrid Metro class 8000 trains are a series of modern, high-capacity electric multiple units designed for rapid transit service on the Madrid Metro network.
-
E.
Barcelona Metro Line L9 Sud
Barcelona Metro Line L9 Sud is a southern section of Barcelona’s automated metro network that links the city with key suburban areas and major transport hubs, including Barcelona–El Prat Airport.
- 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: Barcelona Metro 2100 series Triple: [Line 4 (Barcelona Metro), hasRollingStock, Barcelona Metro 2100 series]
Generated description
The Barcelona Metro 2100 series is a class of electric multiple unit trains used on the Barcelona Metro network, known for their modern design and operation on Line 4.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Barcelona Metro 2100 series Target entity description: The Barcelona Metro 2100 series is a class of electric multiple unit trains used on the Barcelona Metro network, known for their modern design and operation on Line 4.
-
A.
Barcelona Metro Series 5000 trains
The Barcelona Metro Series 5000 trains are modern, air-conditioned electric multiple units designed for high-capacity, driver-operated service on several lines of the Barcelona Metro network.
-
B.
Barcelona Metro Series 9000 trains
The Barcelona Metro Series 9000 trains are modern, fully accessible electric multiple units designed for automated operation on newer lines of the Barcelona Metro network.
-
C.
Barcelona Metro
Barcelona Metro is the rapid transit rail network serving the city of Barcelona and its metropolitan area, known for its extensive coverage and integration with other public transport modes.
-
D.
Madrid Metro class 8000 trains
The Madrid Metro class 8000 trains are a series of modern, high-capacity electric multiple units designed for rapid transit service on the Madrid Metro network.
-
E.
Barcelona Metro Line L9 Sud
Barcelona Metro Line L9 Sud is a southern section of Barcelona’s automated metro network that links the city with key suburban areas and major transport hubs, including Barcelona–El Prat Airport.
- 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_69d381c8bd708190acf3d275c908251e |
completed | April 6, 2026, 9:50 a.m. |
| NER | Named-entity recognition | batch_69d52749dda08190b0c9627a931c5848 |
completed | April 7, 2026, 3:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d94b5d89748190bb398943e4a16e9b |
completed | April 10, 2026, 7:11 p.m. |
| NEDg | Description generation | batch_69d94e1502108190a81bfa1d5a425e5a |
completed | April 10, 2026, 7:23 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d94f0bb6888190b4038df6dcd96d33 |
completed | April 10, 2026, 7:27 p.m. |
Created at: April 6, 2026, 12:38 p.m.