Triple
T4130126
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pittsburgh History and Landmarks Foundation Historic Landmark |
E85019
|
entity |
| Predicate | hasInstance |
P28232
|
FINISHED |
| Object |
Union Trust Building (PHLF Historic Landmark)
The Union Trust Building is a historic, Flemish-Gothic style office building in downtown Pittsburgh, Pennsylvania, renowned for its ornate architecture and distinctive mansard roof with corner towers.
|
E416233
|
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: Union Trust Building (PHLF Historic Landmark) | Statement: [Pittsburgh History and Landmarks Foundation Historic Landmark, hasInstance, Union Trust Building (PHLF Historic Landmark)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Trust Building (PHLF Historic Landmark) Context triple: [Pittsburgh History and Landmarks Foundation Historic Landmark, hasInstance, Union Trust Building (PHLF Historic Landmark)]
-
A.
Savannah Bank and Trust Building
The Savannah Bank and Trust Building is a historic early 20th-century commercial high-rise in downtown Savannah, Georgia, noted for its classical architectural detailing and prominence in the city’s financial district.
-
B.
Ricketts Building
The Ricketts Building is an academic facility at Rensselaer Polytechnic Institute that houses classrooms, laboratories, and offices for engineering and science programs.
-
C.
McClurg Building
The McClurg Building is a historic Chicago commercial structure recognized as a significant example of early skyscraper design by the architectural firm Holabird & Roche.
-
D.
Atlanta Life Insurance Company Building
The Atlanta Life Insurance Company Building is a historic commercial structure in Atlanta, Georgia, associated with one of the nation’s most prominent Black-owned insurance firms and the economic development of the Sweet Auburn district.
-
E.
Sanford Building
The Sanford Building is the main academic and administrative facility that houses Duke University's Sanford School of Public Policy.
- 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: Union Trust Building (PHLF Historic Landmark) Triple: [Pittsburgh History and Landmarks Foundation Historic Landmark, hasInstance, Union Trust Building (PHLF Historic Landmark)]
Generated description
The Union Trust Building is a historic, Flemish-Gothic style office building in downtown Pittsburgh, Pennsylvania, renowned for its ornate architecture and distinctive mansard roof with corner towers.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Union Trust Building (PHLF Historic Landmark) Target entity description: The Union Trust Building is a historic, Flemish-Gothic style office building in downtown Pittsburgh, Pennsylvania, renowned for its ornate architecture and distinctive mansard roof with corner towers.
-
A.
Savannah Bank and Trust Building
The Savannah Bank and Trust Building is a historic early 20th-century commercial high-rise in downtown Savannah, Georgia, noted for its classical architectural detailing and prominence in the city’s financial district.
-
B.
Ricketts Building
The Ricketts Building is an academic facility at Rensselaer Polytechnic Institute that houses classrooms, laboratories, and offices for engineering and science programs.
-
C.
McClurg Building
The McClurg Building is a historic Chicago commercial structure recognized as a significant example of early skyscraper design by the architectural firm Holabird & Roche.
-
D.
Atlanta Life Insurance Company Building
The Atlanta Life Insurance Company Building is a historic commercial structure in Atlanta, Georgia, associated with one of the nation’s most prominent Black-owned insurance firms and the economic development of the Sweet Auburn district.
-
E.
Sanford Building
The Sanford Building is the main academic and administrative facility that houses Duke University's Sanford School of Public Policy.
- 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_69aed935ccd881909dc61f81bcdb7a78 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69af0b2c76fc8190b3cd9facfcd6e427 |
completed | March 9, 2026, 6:02 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b576bf503c8190be44139a908ee42d |
completed | March 14, 2026, 2:54 p.m. |
| NEDg | Description generation | batch_69b577ac31888190b6182b00bd5c709f |
completed | March 14, 2026, 2:58 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b57839ee548190804ef306fc9b3a6e |
completed | March 14, 2026, 3:01 p.m. |
Created at: March 9, 2026, 3:42 p.m.