Triple
T12580350
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Midtown St. Louis |
E300318
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Powell Hall
Powell Hall is a historic concert venue in St. Louis, Missouri, best known as the home of the St. Louis Symphony Orchestra.
|
E993051
|
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: Powell Hall | Statement: [Midtown St. Louis, hasLandmark, Powell Hall]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Powell Hall Context triple: [Midtown St. Louis, hasLandmark, Powell Hall]
-
A.
Zellerbach Hall
Zellerbach Hall is a prominent performing arts venue on the University of California, Berkeley campus, known for hosting concerts, theater, dance, and other cultural events.
-
B.
Wurster Hall
Wurster Hall is a prominent Brutalist-style academic building at the University of California, Berkeley, housing the College of Environmental Design’s architecture, landscape architecture, and planning programs.
-
C.
Newell-Simon Hall
Newell-Simon Hall is a major academic building at Carnegie Mellon University that houses key computer science and robotics research facilities, including the Human-Computer Interaction Institute.
-
D.
Dwinelle Hall
Dwinelle Hall is a major academic building at the University of California, Berkeley, known for housing numerous classrooms and language departments and for its complex, maze-like layout.
-
E.
Royce Hall
Royce Hall is a landmark Romanesque-style auditorium and one of the most iconic buildings on the UCLA campus, renowned for its concerts, lectures, and cultural events.
- 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: Powell Hall Triple: [Midtown St. Louis, hasLandmark, Powell Hall]
Generated description
Powell Hall is a historic concert venue in St. Louis, Missouri, best known as the home of the St. Louis Symphony Orchestra.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Powell Hall Target entity description: Powell Hall is a historic concert venue in St. Louis, Missouri, best known as the home of the St. Louis Symphony Orchestra.
-
A.
Zellerbach Hall
Zellerbach Hall is a prominent performing arts venue on the University of California, Berkeley campus, known for hosting concerts, theater, dance, and other cultural events.
-
B.
Wurster Hall
Wurster Hall is a prominent Brutalist-style academic building at the University of California, Berkeley, housing the College of Environmental Design’s architecture, landscape architecture, and planning programs.
-
C.
Newell-Simon Hall
Newell-Simon Hall is a major academic building at Carnegie Mellon University that houses key computer science and robotics research facilities, including the Human-Computer Interaction Institute.
-
D.
Dwinelle Hall
Dwinelle Hall is a major academic building at the University of California, Berkeley, known for housing numerous classrooms and language departments and for its complex, maze-like layout.
-
E.
Royce Hall
Royce Hall is a landmark Romanesque-style auditorium and one of the most iconic buildings on the UCLA campus, renowned for its concerts, lectures, and cultural events.
- 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_69d7bde87b648190bcd0266e9efde098 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d954b867dc8190af8a70f797e4d133 |
completed | April 10, 2026, 7:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f65ebab65081908a174586f0ebb16f |
completed | May 2, 2026, 8:29 p.m. |
| NEDg | Description generation | batch_69f6617479ec819080eac67abc9bc435 |
completed | May 2, 2026, 8:41 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f662695a348190b9911a19dfc9e779 |
completed | May 2, 2026, 8:45 p.m. |
Created at: April 9, 2026, 5:01 p.m.