Triple
T13143981
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metrotren Nos commuter service |
E312287
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | EFE Central |
E1025060
|
NE FINISHED |
How this triple was built (2 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: EFE Central | Statement: [Metrotren Nos commuter service, operator, EFE Central]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: EFE Central Context triple: [Metrotren Nos commuter service, operator, EFE Central]
-
A.
EFE
EFE is Chile’s state-owned railway company responsible for operating and managing much of the country’s passenger and freight rail network.
-
B.
Eje Central
Eje Central is a Mexico City Metro station on Line 12 located along the major north–south thoroughfare Eje Central Lázaro Cárdenas.
-
C.
Red EFE Central
chosen
Red EFE Central is a regional division of Chile’s state railway operator that manages and coordinates central-zone passenger rail services, including commuter lines like Metrotren Nos.
-
D.
Meduza
Meduza is an Italian electronic music production trio best known for their chart-topping house tracks like "Piece of Your Heart" and "Lose Control."
-
E.
Emisor Central
Emisor Central is a major drainage tunnel system in the Valley of Mexico designed to prevent flooding by carrying wastewater and stormwater away from Mexico City.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d806aabde48190899e13e41659cae5 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98bce3678819082a7aa1d83f20592 |
completed | April 10, 2026, 11:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f71f1191e48190a504299a1f9afb2c |
completed | May 3, 2026, 10:10 a.m. |
Created at: April 9, 2026, 9:10 p.m.