Triple

T4178938
Position Surface form Disambiguated ID Type / Status
Subject MBTA diesel locomotives E86545 entity
Predicate hasModel P2390 FINISHED
Object MPI MP36PH-3C (leased or borrowed units, historically)
The MPI MP36PH-3C is a modern diesel-electric passenger locomotive model that the MBTA has used in the past through short-term leases or borrowing arrangements rather than as part of its core owned fleet.
E419693 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: MPI MP36PH-3C (leased or borrowed units, historically) | Statement: [MBTA diesel locomotives, hasModel, MPI MP36PH-3C (leased or borrowed units, historically)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MPI MP36PH-3C (leased or borrowed units, historically)
Context triple: [MBTA diesel locomotives, hasModel, MPI MP36PH-3C (leased or borrowed units, historically)]
  • A. MP 43
    MP 43 is an early German World War II assault rifle prototype that evolved into the famous Sturmgewehr 44, one of the first true assault rifles in history.
  • B. MP 73
    MP 73 is a rubber-tyred electric multiple unit train type used on the Paris Métro, introduced in the 1970s and known for operating on several elevated and automated lines.
  • C. Akai MPC3000
    The Akai MPC3000 is a classic hardware sampler and drum machine renowned for its distinctive swing and influential role in shaping 1990s hip-hop and electronic music production.
  • D. MPM-10
    MPM-10 is a modern rubber-tired metro train model used on the Montreal Metro, designed to increase capacity, comfort, and energy efficiency.
  • E. M60i
    The M60i is a high-performance, V8-powered range-topping variant of the BMW X7 luxury SUV, featuring sport-tuned dynamics and upgraded M-specific styling and equipment.
  • 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: MPI MP36PH-3C (leased or borrowed units, historically)
Triple: [MBTA diesel locomotives, hasModel, MPI MP36PH-3C (leased or borrowed units, historically)]
Generated description
The MPI MP36PH-3C is a modern diesel-electric passenger locomotive model that the MBTA has used in the past through short-term leases or borrowing arrangements rather than as part of its core owned fleet.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MPI MP36PH-3C (leased or borrowed units, historically)
Target entity description: The MPI MP36PH-3C is a modern diesel-electric passenger locomotive model that the MBTA has used in the past through short-term leases or borrowing arrangements rather than as part of its core owned fleet.
  • A. MP 43
    MP 43 is an early German World War II assault rifle prototype that evolved into the famous Sturmgewehr 44, one of the first true assault rifles in history.
  • B. MP 73
    MP 73 is a rubber-tyred electric multiple unit train type used on the Paris Métro, introduced in the 1970s and known for operating on several elevated and automated lines.
  • C. Akai MPC3000
    The Akai MPC3000 is a classic hardware sampler and drum machine renowned for its distinctive swing and influential role in shaping 1990s hip-hop and electronic music production.
  • D. MPM-10
    MPM-10 is a modern rubber-tired metro train model used on the Montreal Metro, designed to increase capacity, comfort, and energy efficiency.
  • E. M60i
    The M60i is a high-performance, V8-powered range-topping variant of the BMW X7 luxury SUV, featuring sport-tuned dynamics and upgraded M-specific styling and equipment.
  • 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_69aed93de98c8190ad838ce507b77c8a completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af030114c88190b725908a32ace750 completed March 9, 2026, 5:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69b589f5864881909c9fc787dd9b2341 completed March 14, 2026, 4:16 p.m.
NEDg Description generation batch_69b58a81af5481908ad8fe2c7925cb99 completed March 14, 2026, 4:19 p.m.
NED2 Entity disambiguation (via description) batch_69b58b6ee40c8190a3e93f03a66df1b2 completed March 14, 2026, 4:23 p.m.
Created at: March 9, 2026, 3:45 p.m.