Triple
T17135975
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Michigan City East Pierhead Lighthouse |
E415837
|
entity |
| Predicate | formerManagingOrganization |
P5106
|
FINISHED |
| Object | United States Lighthouse Service |
E12619
|
NE FINISHED |
How this triple was built (3 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 Lighthouse Service | Statement: [Michigan City East Pierhead Lighthouse, formerManagingOrganization, United States Lighthouse Service]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: United States Lighthouse Service Context triple: [Michigan City East Pierhead Lighthouse, formerManagingOrganization, United States Lighthouse Service]
-
A.
United States Lighthouse Service
chosen
The United States Lighthouse Service was a former U.S. federal agency responsible for the construction, maintenance, and operation of lighthouses and other navigational aids before its functions were absorbed into the Coast Guard.
-
B.
United States Lighthouse Board
The United States Lighthouse Board was a 19th-century federal agency that modernized and oversaw the construction, maintenance, and operation of lighthouses and other navigational aids along U.S. coasts and waterways.
-
C.
Bureau of Marine Patrol
The Bureau of Marine Patrol is a law enforcement and resource protection agency responsible for safeguarding Maine’s coastal waters, marine resources, and related maritime activities.
-
D.
United States Life-Saving Service
The United States Life-Saving Service was a federal agency that operated coastal rescue stations and crews dedicated to saving lives and ships in distress along U.S. shorelines in the 19th and early 20th centuries.
-
E.
United States Hydrographic Office
The United States Hydrographic Office was a U.S. Navy agency responsible for producing nautical charts, sailing directions, and other navigational publications to support safe maritime navigation.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: formerManagingOrganization Context triple: [Michigan City East Pierhead Lighthouse, formerManagingOrganization, United States Lighthouse Service]
-
A.
formerOrganization
Indicates that an entity was previously affiliated with or employed by a given organization, but is no longer associated with it.
-
B.
formerParentOrganization
chosen
Indicates that one organization previously served as the parent organization of another, but no longer holds that status.
-
C.
originalManagingOrganisation
Indicates the organization that initially held primary responsibility for managing or overseeing the entity.
-
D.
managingOrganisation
Indicates that one organisation has responsibility for directing, overseeing, or administering another entity or activity.
-
E.
originalOrganization
Indicates the organization from which an entity (such as a person, document, or resource) initially originated or was first associated.
- F. None of above.
Provenance (4 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_69d886d15af4819092f92f8a129763e6 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3f2cf1c588190986167adcf4851b5 |
completed | April 18, 2026, 9:08 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a014150d63081908a5614f85694e57a |
completed | May 11, 2026, 2:39 a.m. |
| PD | Predicate disambiguation | batch_69e3830192ac819091344a9e5a36c8c9 |
completed | April 18, 2026, 1:11 p.m. |
Created at: April 10, 2026, 5:36 a.m.