Triple

T4987389
Position Surface form Disambiguated ID Type / Status
Subject Alexandroupoli E112035 entity
Predicate hasLandmark P105 FINISHED
Object Alexandroupoli Lighthouse
Alexandroupoli Lighthouse is a prominent coastal beacon in northeastern Greece, serving as both a navigational aid on the Aegean Sea and a recognizable symbol of the city.
E484371 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: Alexandroupoli Lighthouse | Statement: [Alexandroupoli, hasLandmark, Alexandroupoli Lighthouse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Alexandroupoli Lighthouse
Context triple: [Alexandroupoli, hasLandmark, Alexandroupoli Lighthouse]
  • A. Pharos Lighthouse
    Pharos Lighthouse is a historic lighthouse in Fleetwood, Lancashire, England, known for guiding ships into the port and serving as a prominent local landmark.
  • B. Genoese Lighthouse
    The Genoese Lighthouse is a historic 19th-century stone lighthouse in Constanța, Romania, built to honor Genoese merchants who once traded in the Black Sea port.
  • C. Lighthouse of the Mediterranean
    The "Lighthouse of the Mediterranean" is a nickname for Stromboli, a highly active volcanic island whose frequent eruptions have long served as a natural beacon for ships at sea.
  • D. Tokarevsky Lighthouse
    Tokarevsky Lighthouse is a historic coastal beacon near Vladivostok, Russia, known for guiding ships through the approaches to the city’s harbor on the Sea of Japan.
  • E. Berdyansk lighthouse
    Berdyansk lighthouse is a coastal navigational beacon in the port city of Berdyansk on the Sea of Azov, serving as a local maritime landmark and tourist attraction.
  • 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: Alexandroupoli Lighthouse
Triple: [Alexandroupoli, hasLandmark, Alexandroupoli Lighthouse]
Generated description
Alexandroupoli Lighthouse is a prominent coastal beacon in northeastern Greece, serving as both a navigational aid on the Aegean Sea and a recognizable symbol of the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Alexandroupoli Lighthouse
Target entity description: Alexandroupoli Lighthouse is a prominent coastal beacon in northeastern Greece, serving as both a navigational aid on the Aegean Sea and a recognizable symbol of the city.
  • A. Pharos Lighthouse
    Pharos Lighthouse is a historic lighthouse in Fleetwood, Lancashire, England, known for guiding ships into the port and serving as a prominent local landmark.
  • B. Genoese Lighthouse
    The Genoese Lighthouse is a historic 19th-century stone lighthouse in Constanța, Romania, built to honor Genoese merchants who once traded in the Black Sea port.
  • C. Lighthouse of the Mediterranean
    The "Lighthouse of the Mediterranean" is a nickname for Stromboli, a highly active volcanic island whose frequent eruptions have long served as a natural beacon for ships at sea.
  • D. Tokarevsky Lighthouse
    Tokarevsky Lighthouse is a historic coastal beacon near Vladivostok, Russia, known for guiding ships through the approaches to the city’s harbor on the Sea of Japan.
  • E. Berdyansk lighthouse
    Berdyansk lighthouse is a coastal navigational beacon in the port city of Berdyansk on the Sea of Azov, serving as a local maritime landmark and tourist attraction.
  • 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_69bd441be7bc8190b530362d427b97d2 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd727d473c8190beea66bf11a826e3 completed March 20, 2026, 4:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69be8a20a8f88190980409794c90461f completed March 21, 2026, 12:08 p.m.
NEDg Description generation batch_69be8b66c01c81908d5a06e4db395863 completed March 21, 2026, 12:13 p.m.
NED2 Entity disambiguation (via description) batch_69be8be2ab388190b8e4903d299e3a34 completed March 21, 2026, 12:15 p.m.
Created at: March 20, 2026, 1:34 p.m.