Triple
T17151619
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mexican War Streets Historic District |
E416234
|
entity |
| Predicate | heritageDesignationBy |
P921
|
FINISHED |
| Object |
Pittsburgh History & Landmarks Foundation
The Pittsburgh History & Landmarks Foundation is a nonprofit preservation organization dedicated to protecting and promoting the architectural and historic heritage of Pittsburgh and its surrounding region.
|
E1255792
|
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: Pittsburgh History & Landmarks Foundation | Statement: [Mexican War Streets Historic District, heritageDesignationBy, Pittsburgh History & Landmarks Foundation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh History & Landmarks Foundation Context triple: [Mexican War Streets Historic District, heritageDesignationBy, Pittsburgh History & Landmarks Foundation]
-
A.
Pittsburgh Parks Conservancy
Pittsburgh Parks Conservancy is a nonprofit organization dedicated to restoring, maintaining, and enhancing Pittsburgh’s public parks and green spaces.
-
B.
Historical Society of Western Pennsylvania
The Historical Society of Western Pennsylvania is a regional historical organization dedicated to preserving and interpreting the history and heritage of Western Pennsylvania and the Pittsburgh area.
-
C.
City of Pittsburgh Historic Review Commission
The City of Pittsburgh Historic Review Commission is a municipal body responsible for designating and overseeing the preservation of historic landmarks and districts within Pittsburgh.
-
D.
Pittsburgh History and Landmarks Foundation Historic Landmark
Pittsburgh History and Landmarks Foundation Historic Landmark is a designation awarded by a regional preservation organization to recognize and protect historically and architecturally significant sites in the Pittsburgh area.
-
E.
City of Pittsburgh Department of Parks and Recreation
The City of Pittsburgh Department of Parks and Recreation is the municipal agency responsible for managing and programming the city's public parks, recreational facilities, and related community services.
- 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: Pittsburgh History & Landmarks Foundation Triple: [Mexican War Streets Historic District, heritageDesignationBy, Pittsburgh History & Landmarks Foundation]
Generated description
The Pittsburgh History & Landmarks Foundation is a nonprofit preservation organization dedicated to protecting and promoting the architectural and historic heritage of Pittsburgh and its surrounding region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh History & Landmarks Foundation Target entity description: The Pittsburgh History & Landmarks Foundation is a nonprofit preservation organization dedicated to protecting and promoting the architectural and historic heritage of Pittsburgh and its surrounding region.
-
A.
Pittsburgh Parks Conservancy
Pittsburgh Parks Conservancy is a nonprofit organization dedicated to restoring, maintaining, and enhancing Pittsburgh’s public parks and green spaces.
-
B.
Historical Society of Western Pennsylvania
The Historical Society of Western Pennsylvania is a regional historical organization dedicated to preserving and interpreting the history and heritage of Western Pennsylvania and the Pittsburgh area.
-
C.
City of Pittsburgh Historic Review Commission
The City of Pittsburgh Historic Review Commission is a municipal body responsible for designating and overseeing the preservation of historic landmarks and districts within Pittsburgh.
-
D.
Pittsburgh History and Landmarks Foundation Historic Landmark
Pittsburgh History and Landmarks Foundation Historic Landmark is a designation awarded by a regional preservation organization to recognize and protect historically and architecturally significant sites in the Pittsburgh area.
-
E.
City of Pittsburgh Department of Parks and Recreation
The City of Pittsburgh Department of Parks and Recreation is the municipal agency responsible for managing and programming the city's public parks, recreational facilities, and related community services.
- 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_69d886d279c081909f8ff1f743ddeb69 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3f40775848190ada44742c0113ab3 |
completed | April 18, 2026, 9:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a015fc46c308190b09efb13776747e7 |
completed | May 11, 2026, 4:49 a.m. |
| NEDg | Description generation | batch_6a01606f478c81908de90300e89200ab |
completed | May 11, 2026, 4:51 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a016101ad308190b60633cb65f8e3e1 |
completed | May 11, 2026, 4:54 a.m. |
Created at: April 10, 2026, 5:36 a.m.