Triple
T5788651
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Frank Matcham |
E128335
|
entity |
| Predicate | designed |
P184
|
FINISHED |
| Object | Belfast Grand Opera House |
E414716
|
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: Belfast Grand Opera House | Statement: [Frank Matcham, designed, Belfast Grand Opera House]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Belfast Grand Opera House Context triple: [Frank Matcham, designed, Belfast Grand Opera House]
-
A.
Grand Opera House, Belfast
chosen
The Grand Opera House in Belfast is a historic and ornate Victorian theatre renowned for its richly decorated auditorium and role as one of Northern Ireland’s premier venues for drama, opera, and live entertainment.
-
B.
Lyric Theatre, Belfast
Lyric Theatre, Belfast is a prominent producing theatre and cultural venue in Belfast, Northern Ireland, known for staging contemporary and classic plays and nurturing local talent.
-
C.
Belfast City Hall
Belfast City Hall is a grand Edwardian civic building in the heart of Belfast, renowned for its distinctive green copper dome and role as the seat of the city council.
-
D.
Ulster Hall, Belfast
Ulster Hall, Belfast is a historic 19th-century concert and events venue in Belfast, Northern Ireland, renowned for hosting musical performances, public gatherings, and cultural events.
-
E.
Custom House, Belfast
Custom House, Belfast is a prominent 19th-century Italianate-style former customs building and architectural landmark located in central Belfast, Northern Ireland.
- 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_69c0084450048190bc647b649a05136b |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c02a53d0148190bdebc4f5609939ac |
completed | March 22, 2026, 5:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0981d9430819081e953dba9c2f8f8 |
completed | March 23, 2026, 1:32 a.m. |
Created at: March 22, 2026, 3:51 p.m.