Triple
T12945391
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Buffalo Main Light Rail line on Main Street |
E309748
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Buffalo Metro Rail |
E483755
|
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: Buffalo Metro Rail | Statement: [Buffalo Main Light Rail line on Main Street, partOf, Buffalo Metro Rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Buffalo Metro Rail Context triple: [Buffalo Main Light Rail line on Main Street, partOf, Buffalo Metro Rail]
-
A.
Buffalo Metro Rail
chosen
Buffalo Metro Rail is the light rail rapid transit system serving the city of Buffalo, New York, and its downtown corridor.
-
B.
Cleveland RTA Red Line
The Cleveland RTA Red Line is a heavy rail rapid transit route in Cleveland, Ohio, running between Cleveland Hopkins International Airport and the city’s east side via downtown.
-
C.
Hiawatha Line
The Hiawatha Line, now known as the METRO Blue Line, is a light rail transit route serving the Minneapolis–Saint Paul metropolitan area in Minnesota.
-
D.
Shaker Heights rapid transit line
The Shaker Heights rapid transit line is an electric light rail system serving the Cleveland, Ohio suburbs, known for its early 20th-century suburban planning and integration with the city’s transit network.
-
E.
Port Authority light rail
Port Authority light rail is a light rail transit system serving the Pittsburgh, Pennsylvania metropolitan area, connecting downtown with surrounding neighborhoods and suburbs.
- 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_69d7bdfb57a88190836b743e2825feca |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d97e1b3694819098527dcea3cfed93 |
completed | April 10, 2026, 10:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6af75bc04819098d98c47fca48ac9 |
completed | May 3, 2026, 2:14 a.m. |
Created at: April 9, 2026, 5:43 p.m.