Triple

T11322629
Position Surface form Disambiguated ID Type / Status
Subject Brihanmumbai Municipal Corporation building E268129 entity
Predicate hasAlternativeName P39 FINISHED
Object BMC headquarters
BMC headquarters is the historic Gothic-style administrative building in South Mumbai that serves as the central office of the city’s municipal governing body.
E919140 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: BMC headquarters | Statement: [Brihanmumbai Municipal Corporation building, hasAlternativeName, BMC headquarters]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BMC headquarters
Context triple: [Brihanmumbai Municipal Corporation building, hasAlternativeName, BMC headquarters]
  • A. Compaq Center
    Compaq Center was a multi-purpose indoor arena in Houston, Texas, best known as the longtime home of the NBA’s Houston Rockets before its conversion into a megachurch facility.
  • B. BSF headquarters
    BSF headquarters is the central command and administrative hub of India’s Border Security Force, overseeing its operations, training, and specialized wings such as the Artillery Wing.
  • C. Becton Center
    Becton Center is a major academic and research facility at Yale University that houses engineering and applied science departments, laboratories, and classrooms.
  • D. MCESG Headquarters
    MCESG Headquarters is the central command facility of the U.S. Marine Corps unit responsible for providing security to American embassies and diplomatic missions worldwide.
  • E. MetroTech Center
    MetroTech Center is a major business and academic complex in Brooklyn that houses office towers, university facilities, and public spaces forming a key technology and innovation hub.
  • 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: BMC headquarters
Triple: [Brihanmumbai Municipal Corporation building, hasAlternativeName, BMC headquarters]
Generated description
BMC headquarters is the historic Gothic-style administrative building in South Mumbai that serves as the central office of the city’s municipal governing body.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: BMC headquarters
Target entity description: BMC headquarters is the historic Gothic-style administrative building in South Mumbai that serves as the central office of the city’s municipal governing body.
  • A. Compaq Center
    Compaq Center was a multi-purpose indoor arena in Houston, Texas, best known as the longtime home of the NBA’s Houston Rockets before its conversion into a megachurch facility.
  • B. BSF headquarters
    BSF headquarters is the central command and administrative hub of India’s Border Security Force, overseeing its operations, training, and specialized wings such as the Artillery Wing.
  • C. Becton Center
    Becton Center is a major academic and research facility at Yale University that houses engineering and applied science departments, laboratories, and classrooms.
  • D. MCESG Headquarters
    MCESG Headquarters is the central command facility of the U.S. Marine Corps unit responsible for providing security to American embassies and diplomatic missions worldwide.
  • E. MetroTech Center
    MetroTech Center is a major business and academic complex in Brooklyn that houses office towers, university facilities, and public spaces forming a key technology and innovation hub.
  • 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_69d6aaca5c24819083db46a30d86cb34 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e9dff37081909622623e66e17ccd completed April 9, 2026, 6:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69e525ed950081908ec94cfbf8849e85 completed April 19, 2026, 6:58 p.m.
NEDg Description generation batch_69e52c82b6108190aec9b6e9d726f803 completed April 19, 2026, 7:26 p.m.
NED2 Entity disambiguation (via description) batch_69e531b079708190ac9e19127d36a848 completed April 19, 2026, 7:49 p.m.
Created at: April 8, 2026, 9:32 p.m.