Triple
T5535753
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Madrid Chamartín railway station |
E145156
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object |
Cercanías Madrid Line C-8
Cercanías Madrid Line C-8 is a commuter rail line in the Madrid metropolitan area that connects central Madrid with various suburban towns as part of the Cercanías Madrid network.
|
E555492
|
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: Cercanías Madrid Line C-8 | Statement: [Madrid Chamartín railway station, servedByLine, Cercanías Madrid Line C-8]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cercanías Madrid Line C-8 Context triple: [Madrid Chamartín railway station, servedByLine, Cercanías Madrid Line C-8]
-
A.
Cercanías Madrid Line C-7
Cercanías Madrid Line C-7 is a suburban commuter rail line in the Madrid metropolitan area that connects key stations across the city and its outskirts as part of the Cercanías Madrid network.
-
B.
Cercanías Madrid Line C-4
Cercanías Madrid Line C-4 is a key commuter rail line in the Madrid metropolitan area that connects central Madrid with several northern and southern suburbs as part of the Cercanías Madrid network.
-
C.
Cercanías Madrid Line C-1
Cercanías Madrid Line C-1 is a suburban rail line in the Madrid commuter network that connects central Madrid with Adolfo Suárez Madrid–Barajas Airport and other key urban areas.
-
D.
Cercanías Madrid Line C-2
Cercanías Madrid Line C-2 is a commuter rail line in the Madrid metropolitan area that connects central Madrid with its northeastern suburbs as part of the Cercanías Madrid network.
-
E.
Cercanías Madrid commuter rail
Cercanías Madrid commuter rail is a regional train network that connects Madrid with its surrounding metropolitan and suburban areas, providing frequent and rapid transit for daily commuters.
- 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: Cercanías Madrid Line C-8 Triple: [Madrid Chamartín railway station, servedByLine, Cercanías Madrid Line C-8]
Generated description
Cercanías Madrid Line C-8 is a commuter rail line in the Madrid metropolitan area that connects central Madrid with various suburban towns as part of the Cercanías Madrid network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cercanías Madrid Line C-8 Target entity description: Cercanías Madrid Line C-8 is a commuter rail line in the Madrid metropolitan area that connects central Madrid with various suburban towns as part of the Cercanías Madrid network.
-
A.
Cercanías Madrid Line C-7
Cercanías Madrid Line C-7 is a suburban commuter rail line in the Madrid metropolitan area that connects key stations across the city and its outskirts as part of the Cercanías Madrid network.
-
B.
Cercanías Madrid Line C-4
Cercanías Madrid Line C-4 is a key commuter rail line in the Madrid metropolitan area that connects central Madrid with several northern and southern suburbs as part of the Cercanías Madrid network.
-
C.
Cercanías Madrid Line C-1
Cercanías Madrid Line C-1 is a suburban rail line in the Madrid commuter network that connects central Madrid with Adolfo Suárez Madrid–Barajas Airport and other key urban areas.
-
D.
Cercanías Madrid Line C-2
Cercanías Madrid Line C-2 is a commuter rail line in the Madrid metropolitan area that connects central Madrid with its northeastern suburbs as part of the Cercanías Madrid network.
-
E.
Cercanías Madrid commuter rail
Cercanías Madrid commuter rail is a regional train network that connects Madrid with its surrounding metropolitan and suburban areas, providing frequent and rapid transit for daily commuters.
- 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_69c008f9955881909bfa8348b56b4739 |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c01faed1d08190b6a57faedaf1b56a |
completed | March 22, 2026, 4:58 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0bf51ea0481909af918fe00633b80 |
completed | March 23, 2026, 4:19 a.m. |
| NEDg | Description generation | batch_69c0c0ca548c81908382dbba5f440847 |
completed | March 23, 2026, 4:25 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c0c19e5ef08190abe26030e24b4d91 |
completed | March 23, 2026, 4:29 a.m. |
Created at: March 22, 2026, 3:34 p.m.