Triple

T23124948
Position Surface form Disambiguated ID Type / Status
Subject MRT Line 5 E577000 entity
Predicate abbreviation P43 FINISHED
Object MRT-5 — 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: MRT-5 | Statement: [MRT Line 5, abbreviation, MRT-5]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MRT-5
Context triple: [MRT Line 5, abbreviation, MRT-5]
  • A. MRT-3 maintenance and operations consortium
    The MRT-3 maintenance and operations consortium is the private group responsible for running and maintaining Manila’s Metro Rail Transit Line 3 system.
  • B. MRT
    MRT is the three-letter ISO 3166-1 alpha-3 country code assigned to Mauritania.
  • C. MRT
    MRT is the commonly used abbreviation for the Taipei Metro, the rapid transit system serving Taipei and its surrounding areas.
  • D. MRT
    MRT is a common abbreviation for urban metro or subway systems providing high-capacity public transportation in major cities.
  • E. MRT
    MRT is Singapore’s extensive rapid transit rail network that serves as the backbone of the city’s public transportation system.
  • 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: MRT-5
Target entity description: MRT-5 is a mass rapid transit rail line, commonly known by its abbreviation, that forms part of an urban metro system’s network.
  • A. MRT-3 maintenance and operations consortium
    The MRT-3 maintenance and operations consortium is the private group responsible for running and maintaining Manila’s Metro Rail Transit Line 3 system.
  • B. MRT
    MRT is the three-letter ISO 3166-1 alpha-3 country code assigned to Mauritania.
  • C. MRT
    MRT is the commonly used abbreviation for the Taipei Metro, the rapid transit system serving Taipei and its surrounding areas.
  • D. MRT
    MRT is a common abbreviation for urban metro or subway systems providing high-capacity public transportation in major cities.
  • E. MRT
    MRT is Singapore’s extensive rapid transit rail network that serves as the backbone of the city’s public transportation system.
  • 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_69e245f6c2e881909a228fdcfeb7c7d3 completed April 17, 2026, 2:38 p.m.
NER Named-entity recognition batch_69f18e53ac288190b27fe8064fb576c2 completed April 29, 2026, 4:51 a.m.
Created at: April 17, 2026, 3:59 p.m.