Triple
T21566632
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro Transit (St. Louis) |
E532177
|
entity |
| Predicate | owns |
P347
|
FINISHED |
| Object | MetroLink Red Line |
—
|
NE NERFINISHED |
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: MetroLink Red Line | Statement: [Metro Transit (St. Louis), owns, MetroLink Red Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MetroLink Red Line Context triple: [Metro Transit (St. Louis), owns, MetroLink Red Line]
-
A.
MetroLink Red Line
chosen
The MetroLink Red Line is a primary light rail route in the St. Louis MetroLink system, connecting key destinations across the St. Louis metropolitan area.
-
B.
Metro Red Line
The Metro Red Line was the original heavy-rail subway corridor in Los Angeles that later became the basis for the current D Line service.
-
C.
MetroLink light rail
MetroLink light rail is the bi-state light rail transit system serving the Greater St. Louis area, providing regional passenger rail service across parts of Missouri and Illinois.
-
D.
METRORail Red Line
The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
-
E.
RTA Red Line
The RTA Red Line is a heavy rail rapid transit route in Cleveland, Ohio, running between Cleveland Hopkins International Airport and the Windermere station in East Cleveland.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0c460db088190828c64206a450273 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eee9c912a08190952bbc9217a957d9 |
completed | April 27, 2026, 4:44 a.m. |
Created at: April 16, 2026, 6:30 p.m.