Triple

T843832
Position Surface form Disambiguated ID Type / Status
Subject Port Huron, Michigan E18233 entity
Predicate hasAttraction P105 FINISHED
Object Fort Gratiot Lighthouse
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.
E114341 NE FINISHED

How this triple was built (4 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: [Port Huron, Michigan, hasAttraction, Fort Gratiot Lighthouse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Fort Gratiot Lighthouse
Context triple: [Port Huron, Michigan, hasAttraction, Fort Gratiot Lighthouse]
  • A. 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.
  • B. Boca Chita Lighthouse
    Boca Chita Lighthouse is a small, historic ornamental lighthouse located on Boca Chita Key in Biscayne National Park, Florida, known as a picturesque landmark rather than an active navigational aid.
  • C. Cape Blanco Lighthouse
    Cape Blanco Lighthouse is a historic, still-operating beacon perched on the westernmost point of Oregon, guiding ships along the rugged Pacific coastline.
  • D. Great Point Light
    Great Point Light is a historic lighthouse located at the northern tip of Nantucket Island, Massachusetts, guiding vessels through the surrounding coastal waters.
  • E. Drum Point Lighthouse
    Drum Point Lighthouse is a historic screw-pile lighthouse originally built in the 19th century to mark the entrance to Maryland’s Patuxent River and now preserved as a museum exhibit.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Fort Gratiot Lighthouse
Triple: [Port Huron, Michigan, hasAttraction, Fort Gratiot Lighthouse]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Fort Gratiot Lighthouse
Target entity description: 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.
  • A. 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.
  • B. Boca Chita Lighthouse
    Boca Chita Lighthouse is a small, historic ornamental lighthouse located on Boca Chita Key in Biscayne National Park, Florida, known as a picturesque landmark rather than an active navigational aid.
  • C. Cape Blanco Lighthouse
    Cape Blanco Lighthouse is a historic, still-operating beacon perched on the westernmost point of Oregon, guiding ships along the rugged Pacific coastline.
  • D. Great Point Light
    Great Point Light is a historic lighthouse located at the northern tip of Nantucket Island, Massachusetts, guiding vessels through the surrounding coastal waters.
  • E. Drum Point Lighthouse
    Drum Point Lighthouse is a historic screw-pile lighthouse originally built in the 19th century to mark the entrance to Maryland’s Patuxent River and now preserved as a museum exhibit.
  • F. None of above. chosen

Provenance (5 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_69a4938b04208190b82e1df6b572c548 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ac07fedc8190ab05595f25c1792f completed March 1, 2026, 9:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac16f749dc819097231c0becb4150b completed March 7, 2026, 12:15 p.m.
NEDg Description generation batch_69ac1778cf0081908f520c40c4282633 completed March 7, 2026, 12:18 p.m.
NED2 Entity disambiguation (via description) batch_69ac181f732c819093612c684d9fcbfd completed March 7, 2026, 12:20 p.m.
Created at: March 1, 2026, 7:38 p.m.