Triple

T9118784
Position Surface form Disambiguated ID Type / Status
Subject Line 3 (Mexico City Metro) E218789 entity
Predicate rollingStock P1305 FINISHED
Object NM-79 trains
NM-79 trains are an early generation of rubber-tyred metro rolling stock used on Mexico City’s Line 3, known for their robust design and long service life.
 E443824 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: NM-79 trains | Statement: [Line 3 (Mexico City Metro), rollingStock, NM-79 trains]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: NM-79 trains
Context triple: [Line 3 (Mexico City Metro), rollingStock, NM-79 trains]
  • A. MP-68 trains
    MP-68 trains are a class of rubber-tyred metro rolling stock that have operated on Mexico City’s Metro system since the late 1960s.
  • B. MI 79 trainsets
    MI 79 trainsets are a class of dual-voltage electric multiple units designed for high-capacity suburban commuter service on the Paris RER network.
  • C. NE-92 trains
    NE-92 trains are a type of electric multiple-unit rolling stock used on Mexico City Metro’s Line 2, known for their high-capacity urban passenger service.
  • D. Mark VII trains
    Mark VII trains are the modern generation of streamlined, retro-futuristic monorail vehicles that serve as the primary passenger trains on the Disneyland Monorail System.
  • E. MF 67 trains
    MF 67 trains are a long-serving class of steel-wheeled electric multiple units used extensively across the Paris Métro network.
  • 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: NM-79 trains
Triple: [Line 3 (Mexico City Metro), rollingStock, NM-79 trains]
Generated description
NM-79 trains are an early generation of rubber-tyred metro rolling stock used on Mexico City’s Line 3, known for their robust design and long service life.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: NM-79 trains
Target entity description: NM-79 trains are an early generation of rubber-tyred metro rolling stock used on Mexico City’s Line 3, known for their robust design and long service life.
  • A. MP-68 trains chosen
    MP-68 trains are a class of rubber-tyred metro rolling stock that have operated on Mexico City’s Metro system since the late 1960s.
  • B. MI 79 trainsets
    MI 79 trainsets are a class of dual-voltage electric multiple units designed for high-capacity suburban commuter service on the Paris RER network.
  • C. NE-92 trains
    NE-92 trains are a type of electric multiple-unit rolling stock used on Mexico City Metro’s Line 2, known for their high-capacity urban passenger service.
  • D. Mark VII trains
    Mark VII trains are the modern generation of streamlined, retro-futuristic monorail vehicles that serve as the primary passenger trains on the Disneyland Monorail System.
  • E. MF 67 trains
    MF 67 trains are a long-serving class of steel-wheeled electric multiple units used extensively across the Paris Métro network.
  • 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_69ca83dddd548190983b96c664f7f367 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cca8a7c6d48190a015efd17a017ca1 completed April 1, 2026, 5:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0307c9f608190aad73bcf82ae334e completed April 3, 2026, 9:26 p.m.
NEDg Description generation batch_69d0318ef52c8190bfa0bef6a8d41daa completed April 3, 2026, 9:30 p.m.
NED2 Entity disambiguation (via description) batch_69d03571c4648190bd546152c61c55a5 completed April 3, 2026, 9:47 p.m.
Created at: March 30, 2026, 7:17 p.m.