Triple
T690651
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Homewood Cemetery |
E13383
|
entity |
| Predicate | hasHeritageDesignation |
P921
|
FINISHED |
| Object |
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.
|
E85019
|
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 and Landmarks Foundation Historic Landmark | Statement: [Homewood Cemetery, hasHeritageDesignation, Pittsburgh History and Landmarks Foundation Historic Landmark]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh History and Landmarks Foundation Historic Landmark Context triple: [Homewood Cemetery, hasHeritageDesignation, Pittsburgh History and Landmarks Foundation Historic Landmark]
-
A.
National Historic Landmark
A National Historic Landmark is a designation given by the U.S. federal government to buildings, sites, structures, or objects recognized as having exceptional historical significance to the nation.
-
B.
Philadelphia Register of Historic Places
The Philadelphia Register of Historic Places is the City of Philadelphia’s official list of historically significant buildings, sites, structures, and districts that are recognized and protected for their cultural, architectural, and historical importance.
-
C.
National Trust for Historic Preservation
The National Trust for Historic Preservation is a U.S. nonprofit organization dedicated to saving and revitalizing historic places through advocacy, education, and stewardship of significant sites.
-
D.
Historic Philadelphia, Inc.
Historic Philadelphia, Inc. is a nonprofit organization dedicated to preserving, interpreting, and promoting key historic sites and stories in Philadelphia for education and tourism.
-
E.
National Register of Historic Places
The National Register of Historic Places is the United States' official federal list of districts, sites, buildings, structures, and objects deemed worthy of preservation for their historical, architectural, or cultural significance.
- 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 and Landmarks Foundation Historic Landmark Triple: [Homewood Cemetery, hasHeritageDesignation, Pittsburgh History and Landmarks Foundation Historic Landmark]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh History and Landmarks Foundation Historic Landmark Target entity description: 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.
-
A.
National Historic Landmark
A National Historic Landmark is a designation given by the U.S. federal government to buildings, sites, structures, or objects recognized as having exceptional historical significance to the nation.
-
B.
Philadelphia Register of Historic Places
The Philadelphia Register of Historic Places is the City of Philadelphia’s official list of historically significant buildings, sites, structures, and districts that are recognized and protected for their cultural, architectural, and historical importance.
-
C.
National Trust for Historic Preservation
The National Trust for Historic Preservation is a U.S. nonprofit organization dedicated to saving and revitalizing historic places through advocacy, education, and stewardship of significant sites.
-
D.
Historic Philadelphia, Inc.
Historic Philadelphia, Inc. is a nonprofit organization dedicated to preserving, interpreting, and promoting key historic sites and stories in Philadelphia for education and tourism.
-
E.
National Register of Historic Places
The National Register of Historic Places is the United States' official federal list of districts, sites, buildings, structures, and objects deemed worthy of preservation for their historical, architectural, or cultural significance.
- 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_69a4933e0f98819097d22766c49b61b8 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a4a0ad379c81909003d35c63822780 |
completed | March 1, 2026, 8:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a5dca5b2688190bfe05a165c753211 |
completed | March 2, 2026, 6:53 p.m. |
| NEDg | Description generation | batch_69a5ddeaef148190bb9877cee15959fd |
completed | March 2, 2026, 6:58 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a5fea9df3481909331e3e382ad81ae |
completed | March 2, 2026, 9:18 p.m. |
Created at: March 1, 2026, 7:36 p.m.