Triple

T6509258
Position Surface form Disambiguated ID Type / Status
Subject Ingólfr Arnarson E150085 entity
Predicate commemoratedBy P500 FINISHED
Object Ingólfstorg square in Reykjavík
Ingólfstorg square in Reykjavík is a central public square named after Iceland’s first permanent Norse settler, serving as a popular gathering place and cultural landmark in the city.
E601330 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: Ingólfstorg square in Reykjavík | Statement: [Ingólfr Arnarson, commemoratedBy, Ingólfstorg square in Reykjavík]

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: Ingólfstorg square in Reykjavík
Context triple: [Ingólfr Arnarson, commemoratedBy, Ingólfstorg square in Reykjavík]
  • A. Dóm Square
    Dóm Square is a prominent central square in Szeged, Hungary, known for its grand Votive Church and surrounding university and cultural buildings.
  • B. Reykjavík, Iceland
    Reykjavík, Iceland is the capital and largest city of Iceland, known for its vibrant cultural scene, geothermal pools, and role as the country’s political and economic center.
  • C. Copenhagen City Hall Square
    Copenhagen City Hall Square is a central public plaza in Copenhagen that serves as a major civic, cultural, and transportation hub in front of the city hall.
  • D. Mosfellsbær
    Mosfellsbær is a small coastal town and municipality near Reykjavík in southwestern Iceland, known for its scenic landscapes and residential character.
  • E. Market Square, Helsinki
    Market Square, Helsinki is a central waterfront marketplace and popular tourist hub in Finland’s capital, known for its outdoor stalls, ferries, and views of key landmarks.
  • 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: Ingólfstorg square in Reykjavík
Target entity description: Ingólfstorg square in Reykjavík is a central public square named after Iceland’s first permanent Norse settler, serving as a popular gathering place and cultural landmark in the city.
  • A. Dóm Square
    Dóm Square is a prominent central square in Szeged, Hungary, known for its grand Votive Church and surrounding university and cultural buildings.
  • B. Reykjavík, Iceland
    Reykjavík, Iceland is the capital and largest city of Iceland, known for its vibrant cultural scene, geothermal pools, and role as the country’s political and economic center.
  • C. Copenhagen City Hall Square
    Copenhagen City Hall Square is a central public plaza in Copenhagen that serves as a major civic, cultural, and transportation hub in front of the city hall.
  • D. Mosfellsbær
    Mosfellsbær is a small coastal town and municipality near Reykjavík in southwestern Iceland, known for its scenic landscapes and residential character.
  • E. Market Square, Helsinki
    Market Square, Helsinki is a central waterfront marketplace and popular tourist hub in Finland’s capital, known for its outdoor stalls, ferries, and views of key landmarks.
  • 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: Ingólfstorg square in Reykjavík
Triple: [Ingólfr Arnarson, commemoratedBy, Ingólfstorg square in Reykjavík]
Generated description
Ingólfstorg square in Reykjavík is a central public square named after Iceland’s first permanent Norse settler, serving as a popular gathering place and cultural landmark in the city.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69c687ef291081909d437f035eef1cda elicitation completed
NER batch_69c69f386aa08190bfc8592a92ec6339 ner completed
NED1 batch_69c6cb5782fc8190a56b714bbc007490 ned_source_triple completed
NED2 batch_69c6ce3a53cc8190a40d696a22ec65f4 ned_description completed
NEDg batch_69c6cd88f66c81909b364a816aeee8bf nedg completed
Created at: March 27, 2026, 1:43 p.m.