Triple
T11021902
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chatham Harbor |
E260509
|
entity |
| Predicate | hasNearbyFacility |
P5648
|
FINISHED |
| Object | Chatham Lighthouse Coast Guard Station |
E412853
|
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: Chatham Lighthouse Coast Guard Station | Statement: [Chatham Harbor, hasNearbyFacility, Chatham Lighthouse Coast Guard Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chatham Lighthouse Coast Guard Station Context triple: [Chatham Harbor, hasNearbyFacility, Chatham Lighthouse Coast Guard Station]
-
A.
Chatham Lighthouse
Chatham Lighthouse is a historic coastal beacon on Cape Cod in Massachusetts, renowned for guiding ships through the treacherous waters off Chatham.
-
B.
United States Coast Guard Station Chatham
chosen
United States Coast Guard Station Chatham is a coastal rescue and law-enforcement facility on Cape Cod known for its lifesaving operations in the treacherous waters off Chatham, Massachusetts.
-
C.
Marshall Point Light Station
Marshall Point Light Station is a historic lighthouse and museum in Port Clyde, Maine, best known for its picturesque wooden walkway and appearance in the film "Forrest Gump."
-
D.
Concord Point Lighthouse
Concord Point Lighthouse is a historic 19th-century beacon on the Chesapeake Bay, known as one of the oldest continuously operating lighthouses in Maryland.
-
E.
Stony Point Lighthouse
Stony Point Lighthouse is a historic navigational beacon on the Hudson River in New York, notable as one of the oldest lighthouses in the state and part of the Stony Point Battlefield State Historic Site.
- 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_69d6aa9687448190b28d353b1b6a610e |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d797bb6eec81909d8004af31f307f7 |
completed | April 9, 2026, 12:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e3e72b5e3881908e7230c03dc35f85 |
completed | April 18, 2026, 8:18 p.m. |
Created at: April 8, 2026, 9:25 p.m.