Triple

T14766889
Position Surface form Disambiguated ID Type / Status
Subject Olympic Green Tennis Center E347018 entity
Predicate surface P1242 FINISHED
Object DecoTurf
DecoTurf is a brand of cushioned acrylic hardcourt surface widely used at major professional tennis tournaments, including the US Open.
 E1119122 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: DecoTurf | Statement: [Olympic Green Tennis Center, surface, DecoTurf]

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: DecoTurf
Context triple: [Olympic Green Tennis Center, surface, DecoTurf]
  • A. FieldTurf
    FieldTurf is a brand of synthetic turf designed to mimic natural grass and commonly used in sports stadiums and athletic fields.
  • B. Artystone
    Artystone was a Persian noblewoman and daughter of Cyrus the Great who became one of the principal wives of the Achaemenid king Darius I.
  • C. Desso GrassMaster
    Desso GrassMaster is a hybrid natural and synthetic grass playing surface widely used in professional sports stadiums for its durability and performance.
  • D. Lawn
    Lawn is a small coastal town located on the Burin Peninsula of Newfoundland and Labrador, Canada.
  • E. Turf
    "Turf" is a song by the American indie pop band Good for You.
  • 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: DecoTurf
Target entity description: DecoTurf is a brand of cushioned acrylic hardcourt surface widely used at major professional tennis tournaments, including the US Open.
  • A. FieldTurf
    FieldTurf is a brand of synthetic turf designed to mimic natural grass and commonly used in sports stadiums and athletic fields.
  • B. Artystone
    Artystone was a Persian noblewoman and daughter of Cyrus the Great who became one of the principal wives of the Achaemenid king Darius I.
  • C. Desso GrassMaster
    Desso GrassMaster is a hybrid natural and synthetic grass playing surface widely used in professional sports stadiums for its durability and performance.
  • D. Lawn
    Lawn is a small coastal town located on the Burin Peninsula of Newfoundland and Labrador, Canada.
  • E. Turf
    "Turf" is a song by the American indie pop band Good for You.
  • 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: DecoTurf
Triple: [Olympic Green Tennis Center, surface, DecoTurf]
Generated description
DecoTurf is a brand of cushioned acrylic hardcourt surface widely used at major professional tennis tournaments, including the US Open.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d822e8896c819091169882f9b20486 elicitation completed
NER batch_69dec7f576c881909da70627f5897c94 ner completed
NED1 batch_69fe0cf68d94819093567bc630f67b60 ned_source_triple completed
NED2 batch_69fe1b97e8148190b23a555b9f2c7f1f ned_description completed
NEDg batch_69fe1b0056988190b14560470428d895 nedg completed
Created at: April 10, 2026, 1:30 a.m.