Triple
T4992992
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cathedral of Learning |
E112175
|
entity |
| Predicate | hasDesignation |
P974
|
FINISHED |
| Object | Pittsburgh Historic Landmark |
E85019
|
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: Pittsburgh Historic Landmark | Statement: [Cathedral of Learning, hasDesignation, Pittsburgh Historic Landmark]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh Historic Landmark Context triple: [Cathedral of Learning, hasDesignation, Pittsburgh Historic Landmark]
-
A.
Pittsburgh History and Landmarks Foundation Historic Landmark
chosen
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.
-
B.
Wheeling Historic District
The Wheeling Historic District is a nationally recognized area in Wheeling, West Virginia, known for its well-preserved 19th- and early 20th-century architecture and its significance in the city’s commercial and transportation history.
-
C.
Baltimore City Landmark
Baltimore City Landmark is an official historic designation granted by the City of Baltimore to recognize and protect sites of significant architectural, cultural, or historical importance.
-
D.
Oakland neighborhood of Pittsburgh
The Oakland neighborhood of Pittsburgh is a major cultural and academic hub of the city, best known for housing institutions like the University of Pittsburgh, Carnegie Mellon University, and numerous museums and medical centers.
-
E.
Market Square, Pittsburgh
Market Square, Pittsburgh is a historic public plaza in Downtown Pittsburgh known for its restaurants, events, and role as a central gathering place for 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_69bd441be7bc8190b530362d427b97d2 |
completed | March 20, 2026, 12:57 p.m. |
| NER | Named-entity recognition | batch_69bd729d3d448190a414a003a75104f6 |
completed | March 20, 2026, 4:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be8a2d71c08190be1d3397585ca65c |
completed | March 21, 2026, 12:08 p.m. |
Created at: March 20, 2026, 1:34 p.m.