Triple
T22262772
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Port Authority light rail |
E550270
|
entity |
| Predicate | primaryCorridor |
P3034
|
FINISHED |
| Object | Downtown Pittsburgh to South Hills suburbs |
—
|
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: Downtown Pittsburgh to South Hills suburbs | Statement: [Port Authority light rail, primaryCorridor, Downtown Pittsburgh to South Hills suburbs]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Downtown Pittsburgh to South Hills suburbs Context triple: [Port Authority light rail, primaryCorridor, Downtown Pittsburgh to South Hills suburbs]
-
A.
Downtown Pittsburgh
Downtown Pittsburgh is the city’s central business district, known for its dense cluster of skyscrapers, cultural venues, and its location at the confluence of the Allegheny, Monongahela, and Ohio Rivers.
-
B.
Pittsburgh neighborhoods
Pittsburgh neighborhoods are the distinct residential and commercial districts that make up the city of Pittsburgh, each with its own history, culture, and community identity.
-
C.
South Hills region of Pittsburgh metropolitan area
chosen
The South Hills region of the Pittsburgh metropolitan area is a suburban area south of the city known for its residential communities, commercial corridors, and municipalities such as Mt. Lebanon, Bethel Park, and Upper St. Clair.
-
D.
North Hills of Pittsburgh
The North Hills of Pittsburgh is a suburban region north of the city known for its residential communities, shopping centers, and access to major highways.
-
E.
North Shore neighborhood of Pittsburgh
The North Shore neighborhood of Pittsburgh is a riverfront district known for its major sports venues, entertainment attractions, and scenic views along the Allegheny and Ohio Rivers.
- 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_69e11e42adb8819087714772ea606709 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f141b94a688190b17c55477993a745 |
completed | April 28, 2026, 11:24 p.m. |
Created at: April 16, 2026, 8:39 p.m.