Triple
T4130122
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pittsburgh History and Landmarks Foundation Historic Landmark |
E85019
|
entity |
| Predicate | hasInstance |
P28232
|
FINISHED |
| Object | Cathedral of Learning (PHLF Historic Landmark) |
E112175
|
NE FINISHED |
How this triple was built (2 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: Cathedral of Learning (PHLF Historic Landmark) | Statement: [Pittsburgh History and Landmarks Foundation Historic Landmark, hasInstance, Cathedral of Learning (PHLF Historic Landmark)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cathedral of Learning (PHLF Historic Landmark) Context triple: [Pittsburgh History and Landmarks Foundation Historic Landmark, hasInstance, Cathedral of Learning (PHLF Historic Landmark)]
-
A.
Cathedral of Learning
chosen
The Cathedral of Learning is a 42-story Gothic Revival skyscraper on the University of Pittsburgh campus, renowned as one of the tallest educational buildings in the world.
-
B.
Sproul Hall
Sproul Hall is a prominent administrative building and historic focal point for student activism on the University of California, Berkeley campus.
-
C.
Manufactures and Liberal Arts Building
The Manufactures and Liberal Arts Building was a vast exhibition hall at the 1893 World’s Columbian Exposition in Chicago, renowned as one of the largest buildings in the world at the time and a showcase for industrial and cultural displays.
-
D.
Carnegie Building
The Carnegie Building is a historic wing of the Tasmanian Museum and Art Gallery in Hobart, originally funded by philanthropist Andrew Carnegie as part of his global support for public cultural institutions.
-
E.
Jesuit College complex
The Jesuit College complex in Lutsk is a historic architectural ensemble that once served as a major Jesuit educational and religious center in the city.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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. |
Created at: March 9, 2026, 3:42 p.m.