Triple

T3659292
Position Surface form Disambiguated ID Type / Status
Subject Broadcasting House E77609 entity
Predicate locatedOn P40 FINISHED
Object Portland Place
Portland Place is a major street in central London known for its Georgian architecture and prominent institutions, including the BBC's Broadcasting House.
 E378431 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: Portland Place | Statement: [Broadcasting House, locatedOn, Portland Place]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Portland Place
Context triple: [Broadcasting House, locatedOn, Portland Place]
  • A. Curzon Street
    Curzon Street is a prestigious street in London’s Mayfair district, known for its historic architecture, embassies, and exclusive residences.
  • B. Sidgwick Avenue
    Sidgwick Avenue is a street in Cambridge, England, known for bordering the University of Cambridge’s Sidgwick Site, which houses many of its arts and humanities faculties.
  • C. Portland Street
    Portland Street is a major thoroughfare in central Manchester, England, known for its commercial activity and proximity to key city landmarks.
  • D. Tothill Street
    Tothill Street is a historic street in Westminster, central London, situated near the Houses of Parliament and notable government buildings.
  • E. Keele Street
    Keele Street is a significant north–south arterial road in the Greater Toronto Area, running through York and several other communities in Ontario, Canada.
  • 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: Portland Place
Triple: [Broadcasting House, locatedOn, Portland Place]
Generated description
Portland Place is a major street in central London known for its Georgian architecture and prominent institutions, including the BBC's Broadcasting House.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Portland Place
Target entity description: Portland Place is a major street in central London known for its Georgian architecture and prominent institutions, including the BBC's Broadcasting House.
  • A. Curzon Street
    Curzon Street is a prestigious street in London’s Mayfair district, known for its historic architecture, embassies, and exclusive residences.
  • B. Sidgwick Avenue
    Sidgwick Avenue is a street in Cambridge, England, known for bordering the University of Cambridge’s Sidgwick Site, which houses many of its arts and humanities faculties.
  • C. Portland Street
    Portland Street is a major thoroughfare in central Manchester, England, known for its commercial activity and proximity to key city landmarks.
  • D. Tothill Street
    Tothill Street is a historic street in Westminster, central London, situated near the Houses of Parliament and notable government buildings.
  • E. Keele Street
    Keele Street is a significant north–south arterial road in the Greater Toronto Area, running through York and several other communities in Ontario, Canada.
  • 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_69ad85dfc4dc8190a441864202ab2a7a completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc3d5e5f881909c7c105827d41071 completed March 8, 2026, 6:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69b48842b28881908c6a077cfaa8b092 completed March 13, 2026, 9:57 p.m.
NEDg Description generation batch_69b48e0d2cfc8190b55d8060cc092411 completed March 13, 2026, 10:22 p.m.
NED2 Entity disambiguation (via description) batch_69b4b96e73fc8190aa11d1e1a06d5c25 completed March 14, 2026, 1:27 a.m.
Created at: March 8, 2026, 3:25 p.m.