Triple
T3366347
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Three Rivers Stadium |
E70844
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Stadium Authority of the City of Pittsburgh
The Stadium Authority of the City of Pittsburgh is a municipal agency responsible for owning, managing, and overseeing major sports and entertainment venues in Pittsburgh, Pennsylvania.
|
E351879
|
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: Stadium Authority of the City of Pittsburgh | Statement: [Three Rivers Stadium, operator, Stadium Authority of the City of Pittsburgh]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stadium Authority of the City of Pittsburgh Context triple: [Three Rivers Stadium, operator, Stadium Authority of the City of Pittsburgh]
-
A.
Sports & Exhibition Authority of Pittsburgh and Allegheny County
The Sports & Exhibition Authority of Pittsburgh and Allegheny County is a public agency that develops, owns, and manages major sports and convention facilities in the Pittsburgh region.
-
B.
UPMC Park
UPMC Park is a minor league baseball stadium in Erie, Pennsylvania, serving as the home field for the Erie SeaWolves.
-
C.
Philadelphia Bell
The Philadelphia Bell was a short-lived professional American football team based in Philadelphia that competed in the mid-1970s World Football League.
-
D.
Maryland Stadium Authority
The Maryland Stadium Authority is a public agency in Maryland responsible for financing, building, and managing major sports and entertainment facilities in the state.
-
E.
Comcast Spectacor
Comcast Spectacor is a Philadelphia-based sports and entertainment company best known for owning and operating professional teams and venues, including the NHL’s Philadelphia Flyers and the Wells Fargo Center.
- 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: Stadium Authority of the City of Pittsburgh Triple: [Three Rivers Stadium, operator, Stadium Authority of the City of Pittsburgh]
Generated description
The Stadium Authority of the City of Pittsburgh is a municipal agency responsible for owning, managing, and overseeing major sports and entertainment venues in Pittsburgh, Pennsylvania.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Stadium Authority of the City of Pittsburgh Target entity description: The Stadium Authority of the City of Pittsburgh is a municipal agency responsible for owning, managing, and overseeing major sports and entertainment venues in Pittsburgh, Pennsylvania.
-
A.
Sports & Exhibition Authority of Pittsburgh and Allegheny County
The Sports & Exhibition Authority of Pittsburgh and Allegheny County is a public agency that develops, owns, and manages major sports and convention facilities in the Pittsburgh region.
-
B.
UPMC Park
UPMC Park is a minor league baseball stadium in Erie, Pennsylvania, serving as the home field for the Erie SeaWolves.
-
C.
Philadelphia Bell
The Philadelphia Bell was a short-lived professional American football team based in Philadelphia that competed in the mid-1970s World Football League.
-
D.
Maryland Stadium Authority
The Maryland Stadium Authority is a public agency in Maryland responsible for financing, building, and managing major sports and entertainment facilities in the state.
-
E.
Comcast Spectacor
Comcast Spectacor is a Philadelphia-based sports and entertainment company best known for owning and operating professional teams and venues, including the NHL’s Philadelphia Flyers and the Wells Fargo Center.
- 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_69ad85a729d48190afd789cd8417f289 |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adb287a30c8190b4c40091675c94fb |
completed | March 8, 2026, 5:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b325500eac8190b6f43864af8bda6c |
completed | March 12, 2026, 8:42 p.m. |
| NEDg | Description generation | batch_69b329016c7c819098b494ae5d712036 |
completed | March 12, 2026, 8:58 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b329aca800819091f287a2f00557a2 |
completed | March 12, 2026, 9:01 p.m. |
Created at: March 8, 2026, 3:13 p.m.