Triple

T7174288
Position Surface form Disambiguated ID Type / Status
Subject PFC Slavia Sofia E167279 entity
Predicate stadiumLocation P40 FINISHED
Object Ovcha Kupel, Sofia
Ovcha Kupel is a residential district in western Sofia, Bulgaria, known for hosting the home stadium of football club PFC Slavia Sofia.
E646775 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: Ovcha Kupel, Sofia | Statement: [PFC Slavia Sofia, stadiumLocation, Ovcha Kupel, Sofia]

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: Ovcha Kupel, Sofia
Context triple: [PFC Slavia Sofia, stadiumLocation, Ovcha Kupel, Sofia]
  • A. Boyana, Sofia
    Boyana, Sofia is a prestigious residential neighborhood at the foot of Vitosha Mountain in Sofia, Bulgaria, known for its natural scenery, affluent homes, and cultural landmarks.
  • B. Reutov
    Reutov is a town in western Russia that functions as a suburban satellite of Moscow, known for its residential areas and proximity to the capital.
  • C. Kazanlak
    Kazanlak is a town in central Bulgaria known for its rich Thracian heritage and rose oil production in the Valley of the Roses.
  • D. Smolyan
    Smolyan is a Bulgarian town known as an administrative, cultural, and tourist center in the Rhodope Mountains.
  • E. Silistra
    Silistra is a historic city in northeastern Bulgaria on the Danube River, known as an important cultural and economic center of the Dobruja region.
  • 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: Ovcha Kupel, Sofia
Target entity description: Ovcha Kupel is a residential district in western Sofia, Bulgaria, known for hosting the home stadium of football club PFC Slavia Sofia.
  • A. Boyana, Sofia
    Boyana, Sofia is a prestigious residential neighborhood at the foot of Vitosha Mountain in Sofia, Bulgaria, known for its natural scenery, affluent homes, and cultural landmarks.
  • B. Reutov
    Reutov is a town in western Russia that functions as a suburban satellite of Moscow, known for its residential areas and proximity to the capital.
  • C. Kazanlak
    Kazanlak is a town in central Bulgaria known for its rich Thracian heritage and rose oil production in the Valley of the Roses.
  • D. Smolyan
    Smolyan is a Bulgarian town known as an administrative, cultural, and tourist center in the Rhodope Mountains.
  • E. Silistra
    Silistra is a historic city in northeastern Bulgaria on the Danube River, known as an important cultural and economic center of the Dobruja region.
  • 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: Ovcha Kupel, Sofia
Triple: [PFC Slavia Sofia, stadiumLocation, Ovcha Kupel, Sofia]
Generated description
Ovcha Kupel is a residential district in western Sofia, Bulgaria, known for hosting the home stadium of football club PFC Slavia Sofia.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69c68889a2748190a316c5e65360361a elicitation completed
NER batch_69c6e88d770c8190b8d06dcd08447c08 ner completed
NED1 batch_69c7b921b1e48190b25c1337f6187174 ned_source_triple completed
NED2 batch_69c7ba1a770c819085a25eb796312822 ned_description completed
NEDg batch_69c7b9b0867081909be41ffb8b088e16 nedg completed
Created at: March 27, 2026, 2:48 p.m.