Triple
T30870972
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Martín Line (Buenos Aires commuter rail) |
E786335
|
entity |
| Predicate | openedAsSuburbanService |
P135912
|
FINISHED |
| Object | mid‑20th century |
—
|
LITERAL 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: mid‑20th century | Statement: [San Martín Line (Buenos Aires commuter rail), openedAsSuburbanService, mid‑20th century]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: openedAsSuburbanService Context triple: [San Martín Line (Buenos Aires commuter rail), openedAsSuburbanService, mid‑20th century]
-
A.
openedAsSuburbanRoute
chosen
Indicates that a transportation route was originally inaugurated specifically to serve suburban areas or commuter traffic.
-
B.
hasSuburbanService
Indicates that an entity provides or is connected to a public transportation service specifically serving suburban areas, typically linking suburbs with urban centers.
-
C.
openedAsSubway
Indicates that a transportation facility or line originally began operation specifically as a subway service.
-
D.
openedAsMetraService
Indicates that a transportation facility or line began operating specifically as part of the Metra commuter rail service.
-
E.
openedForBusService
Indicates that a facility, route, or location has begun operating and is available for use by public bus services.
- F. None of above.
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_69f224b9df2c819086f55f8bcf7f382e |
completed | April 29, 2026, 3:33 p.m. |
| NER | Named-entity recognition | batch_69f7aa699d68819081ed363931894ab3 |
completed | May 3, 2026, 8:04 p.m. |
| PD | Predicate disambiguation | batch_69f7a8cec6d48190bebfa884b2f938c0 |
completed | May 3, 2026, 7:58 p.m. |
Created at: April 29, 2026, 8:48 p.m.