Triple
T21459639
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Hills Village station |
E529436
|
entity |
| Predicate | terminusOf |
P3375
|
FINISHED |
| Object | Pittsburgh Regional Transit 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: Pittsburgh Regional Transit Red Line | Statement: [South Hills Village station, terminusOf, Pittsburgh Regional Transit Red Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh Regional Transit Red Line Context triple: [South Hills Village station, terminusOf, Pittsburgh Regional Transit Red Line]
-
A.
Pittsburgh Light Rail Red Line
chosen
The Pittsburgh Light Rail Red Line is a major light rail route in Pittsburgh, Pennsylvania, connecting downtown with several southern neighborhoods and suburbs.
-
B.
Pittsburgh Light Rail Blue Line
The Pittsburgh Light Rail Blue Line is a light rail service in Pittsburgh, Pennsylvania, that connects downtown with various southern suburbs as part of the Port Authority’s “T” system.
-
C.
Pittsburgh Light Rail Silver Line
The Pittsburgh Light Rail Silver Line is a light rail service in Pittsburgh, Pennsylvania, that operates as part of the city's "T" system, connecting downtown with surrounding neighborhoods and suburbs.
-
D.
Pittsburgh Light Rail
Pittsburgh Light Rail is a light rail transit system serving Pittsburgh, Pennsylvania and its nearby neighborhoods, providing urban and commuter rail service including access to the city’s North Shore district.
-
E.
Pittsburgh Regional Transit East Busway network
The Pittsburgh Regional Transit East Busway network is a dedicated bus rapid transit corridor in Pittsburgh that provides fast, limited-stop service between the city’s eastern neighborhoods and downtown.
- 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_69e0c458133481908ae8b41a12c4edec |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69e9e9ed36c08190a5178b2308aca8da |
completed | April 23, 2026, 9:44 a.m. |
Created at: April 16, 2026, 6:08 p.m.