Triple
T24592037
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Jefferson Park Transit Center |
E608562
|
entity |
| Predicate | openedAsMetraStation |
P74107
|
FINISHED |
| Object | 19th 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: 19th century | Statement: [Jefferson Park Transit Center, openedAsMetraStation, 19th century]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: openedAsMetraStation Context triple: [Jefferson Park Transit Center, openedAsMetraStation, 19th century]
-
A.
openedAsMetraService
chosen
Indicates that a transportation facility or line began operating specifically as part of the Metra commuter rail service.
-
B.
openedAsMBTAStation
Indicates that an entity began operation specifically as an MBTA station at a particular time.
-
C.
openedAsMetrolinkStop
Indicates that a location began operation specifically as a Metrolink transit stop.
-
D.
openedAsTransitStation
Indicates that an entity began operation specifically as a transit station at the time it was opened.
-
E.
openedAsUndergroundStation
Indicates that an entity began operation specifically as an underground railway/metro station at the time it was opened.
- 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_69e2c4cf54248190af7b0c2d9ade9830 |
completed | April 17, 2026, 11:39 p.m. |
| NER | Named-entity recognition | batch_69f2a9dc63208190b70f57b9821a7241 |
completed | April 30, 2026, 1:01 a.m. |
| PD | Predicate disambiguation | batch_69f2a6c1f07081908edf0b521767e79b |
completed | April 30, 2026, 12:48 a.m. |
Created at: April 18, 2026, 2:30 a.m.