Triple

T2520471
Position Surface form Disambiguated ID Type / Status
Subject MRT Line 7 E55509 entity
Predicate system P730 FINISHED
Object Manila Metro Rail Transit System
The Manila Metro Rail Transit System is a rapid transit network in Metro Manila, Philippines, that serves as one of the city’s primary urban rail systems alongside the LRT and commuter rail lines.
E56499 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: Manila Metro Rail Transit System | Statement: [MRT Line 7, system, Manila Metro Rail Transit System]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Manila Metro Rail Transit System
Context triple: [MRT Line 7, system, Manila Metro Rail Transit System]
  • A. 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.
  • B. North Luzon Expressway
    North Luzon Expressway is a major toll expressway in the Philippines that connects Metro Manila to the provinces of Central and Northern Luzon.
  • C. BTS Skytrain
    The BTS Skytrain is an elevated rapid transit system that serves as one of Bangkok’s primary urban rail networks, helping alleviate traffic congestion and connect key commercial and residential areas across the city.
  • D. Manila–Singapore
    Manila–Singapore is an international flight route connecting the capital of the Philippines with the city-state of Singapore, serving as a major link for business and tourism in Southeast Asia.
  • E. Taipei Metro
    Taipei Metro is the rapid transit system serving the Taipei metropolitan area, known for its extensive network, punctual service, and cleanliness.
  • 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: Manila Metro Rail Transit System
Triple: [MRT Line 7, system, Manila Metro Rail Transit System]
Generated description
The Manila Metro Rail Transit System is a rapid transit network in Metro Manila, Philippines, that serves as one of the city’s primary urban rail systems alongside the LRT and commuter rail lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Manila Metro Rail Transit System
Target entity description: The Manila Metro Rail Transit System is a rapid transit network in Metro Manila, Philippines, that serves as one of the city’s primary urban rail systems alongside the LRT and commuter rail lines.
  • A. MRT Line 3 chosen
    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.
  • B. North Luzon Expressway
    North Luzon Expressway is a major toll expressway in the Philippines that connects Metro Manila to the provinces of Central and Northern Luzon.
  • C. BTS Skytrain
    The BTS Skytrain is an elevated rapid transit system that serves as one of Bangkok’s primary urban rail networks, helping alleviate traffic congestion and connect key commercial and residential areas across the city.
  • D. Manila–Singapore
    Manila–Singapore is an international flight route connecting the capital of the Philippines with the city-state of Singapore, serving as a major link for business and tourism in Southeast Asia.
  • E. Taipei Metro
    Taipei Metro is the rapid transit system serving the Taipei metropolitan area, known for its extensive network, punctual service, and cleanliness.
  • F. None of above.

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_69ab49e4749c8190813311efd1630f1b completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abd2343e3081908819dc58d8ff40ce completed March 7, 2026, 7:22 a.m.
NED1 Entity disambiguation (via context triple) batch_69af2ba64390819083ea639eb4c1a1bd completed March 9, 2026, 8:20 p.m.
NEDg Description generation batch_69af516e6e888190bb5eca3f6b134dcd completed March 9, 2026, 11:02 p.m.
NED2 Entity disambiguation (via description) batch_69af5223fa948190a7db252c9fc367a5 completed March 9, 2026, 11:05 p.m.
Created at: March 6, 2026, 9:46 p.m.