Triple
T2230978
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PPG Paints Arena |
E48762
|
entity |
| Predicate | publicTransit |
P1288
|
FINISHED |
| Object |
Steel Plaza station
Steel Plaza station is a major light rail subway stop in downtown Pittsburgh, Pennsylvania, serving as a key transit hub near many of the city's central attractions and business centers.
|
E245519
|
NE FINISHED |
How this triple was built (4 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: Steel Plaza station | Statement: [PPG Paints Arena, publicTransit, Steel Plaza station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Steel Plaza station Context triple: [PPG Paints Arena, publicTransit, Steel Plaza station]
-
A.
Civic Center/UN Plaza station
Civic Center/UN Plaza station is a major underground transit hub in San Francisco serving both BART and Muni Metro lines near the city's Civic Center area.
-
B.
Government Center station
Government Center station is a major Boston subway hub and transfer point in downtown Boston, serving multiple MBTA Green Line branches and the Blue Line.
-
C.
Gallery Place station
Gallery Place station is a major Washington Metro hub in downtown D.C. that serves multiple lines and provides access to the Capital One Arena and the Chinatown neighborhood.
-
D.
Grand Army Plaza station
Grand Army Plaza station is a New York City Subway station in Brooklyn serving the 2 and 3 lines near the Soldiers' and Sailors' Arch and the northern edge of Prospect Park.
-
E.
Park Place station
Park Place station is a New York City Subway station in Lower Manhattan that serves the 2 and 3 lines and is part of a larger interconnected transit hub with nearby stations.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Steel Plaza station Triple: [PPG Paints Arena, publicTransit, Steel Plaza station]
Generated description
Steel Plaza station is a major light rail subway stop in downtown Pittsburgh, Pennsylvania, serving as a key transit hub near many of the city's central attractions and business centers.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Steel Plaza station Target entity description: Steel Plaza station is a major light rail subway stop in downtown Pittsburgh, Pennsylvania, serving as a key transit hub near many of the city's central attractions and business centers.
-
A.
Civic Center/UN Plaza station
Civic Center/UN Plaza station is a major underground transit hub in San Francisco serving both BART and Muni Metro lines near the city's Civic Center area.
-
B.
Government Center station
Government Center station is a major Boston subway hub and transfer point in downtown Boston, serving multiple MBTA Green Line branches and the Blue Line.
-
C.
Gallery Place station
Gallery Place station is a major Washington Metro hub in downtown D.C. that serves multiple lines and provides access to the Capital One Arena and the Chinatown neighborhood.
-
D.
Grand Army Plaza station
Grand Army Plaza station is a New York City Subway station in Brooklyn serving the 2 and 3 lines near the Soldiers' and Sailors' Arch and the northern edge of Prospect Park.
-
E.
Park Place station
Park Place station is a New York City Subway station in Lower Manhattan that serves the 2 and 3 lines and is part of a larger interconnected transit hub with nearby stations.
- F. None of above. chosen
Provenance (5 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_69a88aa51b388190949868ec9766e587 |
completed | March 4, 2026, 7:40 p.m. |
| NER | Named-entity recognition | batch_69abc06b7374819089fe643e12797bfd |
completed | March 7, 2026, 6:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae656a1f788190a08c3283bfedb6f4 |
completed | March 9, 2026, 6:15 a.m. |
| NEDg | Description generation | batch_69ae65d4f26481909808c97b95ca9b30 |
completed | March 9, 2026, 6:16 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae6670b6d88190a09023fae63f4000 |
completed | March 9, 2026, 6:19 a.m. |
Created at: March 4, 2026, 7:47 p.m.