Triple
T19214856
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Thacher Island Light Station |
E480454
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | United States system of coastal 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: United States system of coastal lights | Statement: [Thacher Island Light Station, partOf, United States system of coastal lights]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: United States system of coastal lights Context triple: [Thacher Island Light Station, partOf, United States system of coastal lights]
-
A.
United States aids to navigation system
chosen
The United States aids to navigation system is the nationwide framework of buoys, beacons, lighthouses, and other markers that guide maritime traffic safely through U.S. waters.
-
B.
Baileys Harbor Range Lights
Baileys Harbor Range Lights are a historic pair of navigational beacons in Door County, Wisconsin, that guided ships safely into Baileys Harbor on Lake Michigan.
-
C.
Plum Island Range Lights
Plum Island Range Lights are a historic pair of navigational beacons in Door County, Wisconsin, that guide vessels safely through the hazardous Porte des Morts passage.
-
D.
AGA lighthouse system
The AGA lighthouse system is an automated lighthouse illumination technology that used Dalén’s sun valve and acetylene gas innovations to provide reliable, low-maintenance coastal lighting worldwide.
-
E.
“Lighthouse Construction and Illumination”
“Lighthouse Construction and Illumination” is a 19th-century technical treatise by Scottish engineer Thomas Stevenson that details the design, engineering, and operation of lighthouses and their lighting systems.
- 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_69d8e8cb8c348190b52075823911c869 |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5fa397c188190b85bcfd9afd8dce6 |
completed | April 20, 2026, 10:04 a.m. |
Created at: April 10, 2026, 1:22 p.m.