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) 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.	`E1519493`	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: 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.

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: Building and Construction Authority (Singapore)
Triple: [Urban Redevelopment Authority, collaboratesWith, Building and Construction Authority (Singapore)]

Generated 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.

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 (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_69e11e38b3848190ac3a4fa97d56e65a`	completed	April 16, 2026, 5:36 p.m.
NER	Named-entity recognition	`batch_69f1294fcf2c81909b610e03a0f1921f`	completed	April 28, 2026, 9:40 p.m.
NED1	Entity disambiguation (via context triple)	`batch_6a0a8f1d3ba081909e9ba0fd165449a5`	completed	May 18, 2026, 4:01 a.m.
NEDg	Description generation	`batch_6a0a910348ac81909a2b3f5662971e2e`	completed	May 18, 2026, 4:09 a.m.
NED2	Entity disambiguation (via description)	`batch_6a0a91867738819092e49aa8a74cc20b`	completed	May 18, 2026, 4:11 a.m.

Created at: April 16, 2026, 8:31 p.m.