Triple
T19762802
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Thacher Island Association (for preservation and access) |
E474672
|
entity |
| Predicate | focusesOn |
P31
|
FINISHED |
| Object | Thacher Island Twin Lights |
—
|
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: Thacher Island Twin Lights | Statement: [Thacher Island Association (for preservation and access), focusesOn, Thacher Island Twin Lights]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Thacher Island Twin Lights Context triple: [Thacher Island Association (for preservation and access), focusesOn, Thacher Island Twin Lights]
-
A.
Thacher Island Twin Lights
chosen
Thacher Island Twin Lights are a historic pair of lighthouses off Cape Ann in Massachusetts, notable as one of the last surviving twin light stations in the United States and a prominent aid to navigation since the 18th century.
-
B.
Tatoosh Island Lighthouse
Tatoosh Island Lighthouse is a historic navigational beacon located on Tatoosh Island off the northwestern tip of Washington State, guiding ships near the entrance to the Strait of Juan de Fuca.
-
C.
Indian Island Light
Indian Island Light is a historic lighthouse located on Indian Island in Maine, serving as a navigational aid at the entrance to Penobscot Bay.
-
D.
Hooper Strait Lighthouse
Hooper Strait Lighthouse is a historic screw-pile lighthouse from the Chesapeake Bay, preserved as a museum exhibit showcasing 19th-century maritime navigation and coastal life.
-
E.
St. Paul Island Light
St. Paul Island Light is a historic lighthouse that aids navigation in the waters surrounding Saint Paul Island.
- 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_69d8e51a43a08190956bc6df13c91a77 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e65320df3c8190b34f9908d5da48d9 |
completed | April 20, 2026, 4:24 p.m. |
Created at: April 10, 2026, 1:48 p.m.