Triple

T22118285
Position Surface form Disambiguated ID Type / Status
Subject Urban Redevelopment Authority E546595 entity
Predicate collaboratesWith P37 FINISHED
Object Building and Construction Authority (Singapore) — NE NERFINISHED

How this triple was built (3 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: Building and Construction Authority (Singapore) | Statement: [Urban Redevelopment Authority, collaboratesWith, Building and Construction Authority (Singapore)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Building and Construction Authority (Singapore)
Context triple: [Urban Redevelopment Authority, collaboratesWith, Building and Construction Authority (Singapore)]
  • A. Public Works Department of Singapore
    The Public Works Department of Singapore was a former government agency responsible for designing, constructing, and maintaining key public buildings and infrastructure across the country.
  • B. Housing and Development Board of Singapore
    The Housing and Development Board of Singapore is the government agency responsible for planning, developing, and managing the nation’s public housing estates.
  • C. Singapore Land Authority
    The Singapore Land Authority is a statutory board responsible for managing state land and property, maintaining land records, and optimizing land use in Singapore.
  • D. Economic Development Board (Singapore)
    The Economic Development Board (Singapore) is the government agency responsible for driving Singapore’s economic growth by attracting foreign investment and fostering the development of key industries.
  • E. Land Transport Authority of Singapore
    The Land Transport Authority of Singapore is a statutory board under the Ministry of Transport responsible for planning, developing, operating, and regulating Singapore’s land transport system and infrastructure.
  • 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: Building and Construction Authority (Singapore)
Target entity description: The Building and Construction Authority (BCA) is a Singapore government agency responsible for regulating and advancing the building and construction industry, including safety standards, sustainability, and built-environment innovation.
  • A. Public Works Department of Singapore
    The Public Works Department of Singapore was a former government agency responsible for designing, constructing, and maintaining key public buildings and infrastructure across the country.
  • B. Housing and Development Board of Singapore
    The Housing and Development Board of Singapore is the government agency responsible for planning, developing, and managing the nation’s public housing estates.
  • C. Singapore Land Authority
    The Singapore Land Authority is a statutory board responsible for managing state land and property, maintaining land records, and optimizing land use in Singapore.
  • D. Economic Development Board (Singapore)
    The Economic Development Board (Singapore) is the government agency responsible for driving Singapore’s economic growth by attracting foreign investment and fostering the development of key industries.
  • E. Land Transport Authority of Singapore
    The Land Transport Authority of Singapore is a statutory board under the Ministry of Transport responsible for planning, developing, operating, and regulating Singapore’s land transport system and infrastructure.
  • F. None of above. chosen

Provenance (2 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_69e11e38b3848190ac3a4fa97d56e65a completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f1294fcf2c81909b610e03a0f1921f completed April 28, 2026, 9:40 p.m.
Created at: April 16, 2026, 8:31 p.m.