Triple

T6982120
Position Surface form Disambiguated ID Type / Status
Subject Manitowaning E161871 entity
Predicate hasLandmark P105 FINISHED
Object Manitowaning Lighthouse
Manitowaning Lighthouse is a historic navigational beacon on Manitoulin Island in Ontario, Canada, that once guided ships on Lake Huron.
E654940 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Manitowaning Lighthouse | Statement: [Manitowaning, hasLandmark, Manitowaning Lighthouse]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Manitowaning Lighthouse
Context triple: [Manitowaning, hasLandmark, Manitowaning Lighthouse]
  • A. Pottawatomie Lighthouse
    Pottawatomie Lighthouse is a historic 19th-century lighthouse located on Rock Island in Door County, Wisconsin, and is one of the oldest lighthouses on Lake Michigan.
  • B. Wind Point Lighthouse
    Wind Point Lighthouse is a historic 19th-century lighthouse on Lake Michigan in Wisconsin, known as one of the oldest and tallest active lighthouses on the Great Lakes.
  • C. 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.
  • D. 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.
  • E. McGulpin Point Lighthouse
    McGulpin Point Lighthouse is a historic 19th-century lighthouse on the Straits of Mackinac in northern Michigan, preserved today as a heritage site and museum.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Manitowaning Lighthouse
Target entity description: Manitowaning Lighthouse is a historic navigational beacon on Manitoulin Island in Ontario, Canada, that once guided ships on Lake Huron.
  • A. Pottawatomie Lighthouse
    Pottawatomie Lighthouse is a historic 19th-century lighthouse located on Rock Island in Door County, Wisconsin, and is one of the oldest lighthouses on Lake Michigan.
  • B. Wind Point Lighthouse
    Wind Point Lighthouse is a historic 19th-century lighthouse on Lake Michigan in Wisconsin, known as one of the oldest and tallest active lighthouses on the Great Lakes.
  • C. 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.
  • D. 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.
  • E. McGulpin Point Lighthouse
    McGulpin Point Lighthouse is a historic 19th-century lighthouse on the Straits of Mackinac in northern Michigan, preserved today as a heritage site and museum.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Manitowaning Lighthouse
Triple: [Manitowaning, hasLandmark, Manitowaning Lighthouse]
Generated description
Manitowaning Lighthouse is a historic navigational beacon on Manitoulin Island in Ontario, Canada, that once guided ships on Lake Huron.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69c68855dc0481909b4c7e9e9ed273db elicitation completed
NER batch_69c6db8fdad481908f211a8b333714bd ner completed
NED1 batch_69c7e50580c08190aa737043ad7520a0 ned_source_triple completed
NED2 batch_69c7e6f9997081908e1768bc22c5dd48 ned_description completed
NEDg batch_69c7e6aab6548190b50202944f69c800 nedg completed
Created at: March 27, 2026, 2:31 p.m.