Triple
T6556225
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 8 (Madrid Metro) |
E152453
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
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.
|
E604807
|
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: Madrid Metro class 8000 trains | Statement: [Line 8 (Madrid Metro), rollingStock, Madrid Metro class 8000 trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Madrid Metro class 8000 trains Context triple: [Line 8 (Madrid Metro), rollingStock, Madrid Metro class 8000 trains]
-
A.
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.
-
B.
Renfe Class Civia
Renfe Class Civia is a family of electric multiple unit commuter trains operated by Spain’s national railway company for suburban and regional passenger services.
-
C.
Renfe 447 series
The Renfe 447 series is a class of electric multiple unit commuter trains widely used across Spain’s suburban rail networks.
-
D.
Renfe 446 series
The Renfe 446 series is a class of electric multiple unit commuter trains used extensively in Spain’s Cercanías suburban rail services.
-
E.
Renfe Alvia
Renfe Alvia is a Spanish long-distance high-speed train service operated by Renfe that combines standard and variable-gauge rolling stock to connect major cities across both high-speed and conventional rail lines.
- 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: Madrid Metro class 8000 trains Triple: [Line 8 (Madrid Metro), rollingStock, Madrid Metro class 8000 trains]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Madrid Metro class 8000 trains Target entity description: 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.
-
A.
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.
-
B.
Renfe Class Civia
Renfe Class Civia is a family of electric multiple unit commuter trains operated by Spain’s national railway company for suburban and regional passenger services.
-
C.
Renfe 447 series
The Renfe 447 series is a class of electric multiple unit commuter trains widely used across Spain’s suburban rail networks.
-
D.
Renfe 446 series
The Renfe 446 series is a class of electric multiple unit commuter trains used extensively in Spain’s Cercanías suburban rail services.
-
E.
Renfe Alvia
Renfe Alvia is a Spanish long-distance high-speed train service operated by Renfe that combines standard and variable-gauge rolling stock to connect major cities across both high-speed and conventional rail lines.
- 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_69c688058d6881908c19b309cc55dbfa |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6ae1d28bc8190a2fa4b3e1e39863c |
completed | March 27, 2026, 4:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6d559ad4881909c1e7712d84945f6 |
completed | March 27, 2026, 7:07 p.m. |
| NEDg | Description generation | batch_69c6d676e43081909bf2a9cceff0b9b3 |
completed | March 27, 2026, 7:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6d84076d48190ada0903af49613de |
completed | March 27, 2026, 7:19 p.m. |
Created at: March 27, 2026, 1:51 p.m.