Triple
T18276593
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | City of Port Huron |
E437751
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object | Fort Gratiot Lighthouse |
—
|
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: Fort Gratiot Lighthouse | Statement: [City of Port Huron, hasLandmark, Fort Gratiot Lighthouse]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fort Gratiot Lighthouse Context triple: [City of Port Huron, hasLandmark, Fort Gratiot Lighthouse]
-
A.
Fort Gratiot Lighthouse
chosen
Fort Gratiot Lighthouse is the oldest operating lighthouse in Michigan, standing at the entrance to the St. Clair River on Lake Huron and serving as a historic maritime landmark.
-
B.
Old Mission Point Lighthouse
Old Mission Point Lighthouse is a historic 19th-century lighthouse located at the tip of Michigan’s Old Mission Peninsula, known for its picturesque setting and role in guiding ships on Grand Traverse Bay.
-
C.
Racine lighthouse
Racine Lighthouse is a historic navigational beacon on the Lake Michigan shoreline in Racine, Wisconsin, guiding vessels entering Racine Harbor.
-
D.
South Haven Lighthouse
South Haven Lighthouse is a historic red pierhead light on Lake Michigan that serves as a prominent maritime landmark and popular tourist attraction in South Haven, Michigan.
-
E.
South Manitou Island Lighthouse
South Manitou Island Lighthouse is a historic navigational beacon on South Manitou Island in Lake Michigan, known for guiding ships through the Manitou Passage and for its preserved 19th-century architecture.
- 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_69d8b914530c8190b4474d862a2b2a1b |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e500528bb88190a9f9ba6428cc2076 |
completed | April 19, 2026, 4:18 p.m. |
Created at: April 10, 2026, 10:34 a.m.