Triple
T18665353
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fort Needham Memorial Park |
E456309
|
entity |
| Predicate | significantEvent |
P259
|
FINISHED |
| Object | 1917 Halifax Explosion |
—
|
NE NERFINISHED |
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: 1917 Halifax Explosion | Statement: [Fort Needham Memorial Park, significantEvent, 1917 Halifax Explosion]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 1917 Halifax Explosion Context triple: [Fort Needham Memorial Park, significantEvent, 1917 Halifax Explosion]
-
A.
Halifax Explosion
chosen
The Halifax Explosion was a devastating 1917 maritime disaster in Nova Scotia, Canada, when a munitions-laden ship exploded in Halifax Harbour, killing thousands and leveling much of the city.
-
B.
sinking of the RMS Lusitania
The sinking of the RMS Lusitania was a 1915 World War I maritime disaster in which a British ocean liner was torpedoed by a German U-boat off the coast of Ireland, causing heavy civilian casualties and intensifying anti-German sentiment.
-
C.
Dogger Bank incident
The Dogger Bank incident was an October 1904 naval confrontation in the North Sea during the Russo-Japanese War, when Russian warships mistakenly fired on British fishing vessels, nearly provoking war between Russia and the United Kingdom.
-
D.
Hindenburg disaster
The Hindenburg disaster was the 1937 explosion and fire of the German passenger airship LZ 129 Hindenburg in New Jersey, a highly publicized catastrophe that marked the end of the airship era.
-
E.
The Marchioness Disaster
The Marchioness Disaster is a British television drama (docudrama) that reconstructs and explores the tragic 1989 Thames riverboat collision and its aftermath.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8d38f72b4819090a935175d9ca8af |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e5508e02788190bdea6099f08db4f0 |
completed | April 19, 2026, 10 p.m. |
Created at: April 10, 2026, 11:48 a.m.