Triple

T11963146
Position Surface form Disambiguated ID Type / Status
Subject Ortigas MRT station E284720 entity
Predicate operator P179 FINISHED
Object 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.
 E956969 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: MRT-3 maintenance and operations consortium | Statement: [Ortigas MRT station, operator, MRT-3 maintenance and operations consortium]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MRT-3 maintenance and operations consortium
Context triple: [Ortigas MRT station, operator, MRT-3 maintenance and operations consortium]
  • A. MRT
    MRT is the three-letter ISO 3166-1 alpha-3 country code assigned to Mauritania.
  • B. MRT
    MRT is the commonly used abbreviation for the Taipei Metro, the rapid transit system serving Taipei and its surrounding areas.
  • C. Light Rail Manila Corporation
    Light Rail Manila Corporation is a private consortium responsible for operating and maintaining Manila’s Light Rail Transit Line 1 under a public–private partnership with the Philippine government.
  • D. MRT Line 3
    MRT Line 3 is a major elevated rapid transit line in Metro Manila that runs along EDSA, serving as one of the region’s primary commuter rail corridors.
  • E. Manila Light Rail Transit System
    The Manila Light Rail Transit System is an urban rapid transit network in Metro Manila, Philippines, providing high-capacity rail services along key commuter corridors.
  • 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: MRT-3 maintenance and operations consortium
Triple: [Ortigas MRT station, operator, MRT-3 maintenance and operations consortium]
Generated description
The MRT-3 maintenance and operations consortium is the private group responsible for running and maintaining Manila’s Metro Rail Transit Line 3 system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MRT-3 maintenance and operations consortium
Target entity description: The MRT-3 maintenance and operations consortium is the private group responsible for running and maintaining Manila’s Metro Rail Transit Line 3 system.
  • A. MRT
    MRT is the three-letter ISO 3166-1 alpha-3 country code assigned to Mauritania.
  • B. MRT
    MRT is the commonly used abbreviation for the Taipei Metro, the rapid transit system serving Taipei and its surrounding areas.
  • C. Light Rail Manila Corporation
    Light Rail Manila Corporation is a private consortium responsible for operating and maintaining Manila’s Light Rail Transit Line 1 under a public–private partnership with the Philippine government.
  • D. MRT Line 3
    MRT Line 3 is a major elevated rapid transit line in Metro Manila that runs along EDSA, serving as one of the region’s primary commuter rail corridors.
  • E. Manila Light Rail Transit System
    The Manila Light Rail Transit System is an urban rapid transit network in Metro Manila, Philippines, providing high-capacity rail services along key commuter corridors.
  • 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_69d6ab2eaeb881909f7914758f859413 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9037848f481908276716675464464 completed April 10, 2026, 2:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69f4594054f08190b28b35f62dfb9198 completed May 1, 2026, 7:41 a.m.
NEDg Description generation batch_69f45f89d5b08190a87312d96e61898a completed May 1, 2026, 8:08 a.m.
NED2 Entity disambiguation (via description) batch_69f464a5191881908e291943996169cb completed May 1, 2026, 8:30 a.m.
Created at: April 8, 2026, 9:45 p.m.