Triple
T3593523
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTA Green Line |
E76081
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object | Ashland (Green Line) station |
E105306
|
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: Ashland (Green Line) station | Statement: [CTA Green Line, servesStation, Ashland (Green Line) station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ashland (Green Line) station Context triple: [CTA Green Line, servesStation, Ashland (Green Line) station]
-
A.
Ashland station (Green Line)
chosen
Ashland station (Green Line) is an elevated Chicago 'L' rapid transit station on the Chicago Transit Authority’s Green Line.
-
B.
Savin Hill station
Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
-
C.
Brookline Village station
Brookline Village station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in the Brookline neighborhood just outside Boston.
-
D.
Garfield station (Green Line)
Garfield station (Green Line) is an elevated Chicago 'L' rapid transit station located in the Washington Park neighborhood on the city's South Side.
-
E.
Pulaski station (Green Line)
Pulaski station (Green Line) is an elevated Chicago 'L' rapid transit station on the CTA's Green Line located in the city's West Garfield Park neighborhood.
- 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_69ad85d8042081908af94a04c410dec0 |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adc15bbbcc81908d6cf95f8e70c6ca |
completed | March 8, 2026, 6:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b44efeacf481908dd9a26f348f9977 |
completed | March 13, 2026, 5:53 p.m. |
Created at: March 8, 2026, 3:22 p.m.