Triple

T11316869
Position Surface form Disambiguated ID Type / Status
Subject Arecibo, Puerto Rico E267989 entity
Predicate hasLandmark P105 FINISHED
Object Arecibo Lighthouse
Arecibo Lighthouse is a historic coastal beacon and popular tourist attraction in Arecibo, Puerto Rico, known for its panoramic ocean views and maritime museum.
 E918799 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: Arecibo Lighthouse | Statement: [Arecibo, Puerto Rico, hasLandmark, Arecibo 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: Arecibo Lighthouse
Context triple: [Arecibo, Puerto Rico, hasLandmark, Arecibo Lighthouse]
  • A. Culebrita Lighthouse
    Culebrita Lighthouse is a historic 19th-century Spanish-era lighthouse located on the small island of Culebrita off Puerto Rico, known for guiding ships through the Virgin Passage and for its scenic, now-ruined structure.
  • B. Las Cabezas de San Juan Lighthouse
    Las Cabezas de San Juan Lighthouse is a historic 19th-century coastal beacon and nature reserve landmark located on the northeastern tip of Puerto Rico.
  • C. 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.
  • D. Elie Ness Lighthouse
    Elie Ness Lighthouse is a small, early-20th-century coastal lighthouse in Fife, Scotland, known for guiding ships in the Firth of Forth and its picturesque setting near the village of Elie.
  • E. Morro Jable Lighthouse
    Morro Jable Lighthouse is a prominent coastal beacon and landmark on the southern coast of Fuerteventura in the Canary Islands, Spain.
  • 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: Arecibo Lighthouse
Target entity description: Arecibo Lighthouse is a historic coastal beacon and popular tourist attraction in Arecibo, Puerto Rico, known for its panoramic ocean views and maritime museum.
  • A. Culebrita Lighthouse
    Culebrita Lighthouse is a historic 19th-century Spanish-era lighthouse located on the small island of Culebrita off Puerto Rico, known for guiding ships through the Virgin Passage and for its scenic, now-ruined structure.
  • B. Las Cabezas de San Juan Lighthouse
    Las Cabezas de San Juan Lighthouse is a historic 19th-century coastal beacon and nature reserve landmark located on the northeastern tip of Puerto Rico.
  • C. 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.
  • D. Elie Ness Lighthouse
    Elie Ness Lighthouse is a small, early-20th-century coastal lighthouse in Fife, Scotland, known for guiding ships in the Firth of Forth and its picturesque setting near the village of Elie.
  • E. Morro Jable Lighthouse
    Morro Jable Lighthouse is a prominent coastal beacon and landmark on the southern coast of Fuerteventura in the Canary Islands, Spain.
  • 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: Arecibo Lighthouse
Triple: [Arecibo, Puerto Rico, hasLandmark, Arecibo Lighthouse]
Generated description
Arecibo Lighthouse is a historic coastal beacon and popular tourist attraction in Arecibo, Puerto Rico, known for its panoramic ocean views and maritime museum.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d6aaca5c24819083db46a30d86cb34 elicitation completed
NER batch_69d7e9c3cf748190987838029d9f7fff ner completed
NED1 batch_69e525c35538819085d76f7cdf362316 ned_source_triple completed
NED2 batch_69e531b079708190ac9e19127d36a848 ned_description completed
NEDg batch_69e52c81449c8190847b64fa91a45b2e nedg completed
Created at: April 8, 2026, 9:32 p.m.