Triple

T4178936
Position Surface form Disambiguated ID Type / Status
Subject MBTA diesel locomotives E86545 entity
Predicate hasModel P2390 FINISHED
Object MPI HSP46
The MPI HSP46 is a modern diesel-electric passenger locomotive built by MotivePower, Inc. for commuter rail service, notably used by the Massachusetts Bay Transportation Authority (MBTA).
 E419691 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 HSP46 | Statement: [MBTA diesel locomotives, hasModel, MPI HSP46]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MPI HSP46
Context triple: [MBTA diesel locomotives, hasModel, MPI HSP46]
  • A. MPS
    MPS is a language workbench and integrated development environment by JetBrains designed for creating and working with domain-specific languages using projectional editing.
  • B. MPS
    MPS is a leading German research institute specializing in the study of the Sun and the solar system, operating under the Max Planck Society.
  • C. MASP
    MASP (Museu de Arte de São Paulo) is one of Brazil’s most important art museums, renowned for its striking modernist architecture and extensive collection of Western and Brazilian art.
  • D. HMPO
    HMPO is the abbreviated name for Her Majesty's Passport Office, the UK government agency responsible for issuing passports and managing civil registration services.
  • E. HESN
    HESN is the ICAO airport code for Aswan International Airport in Aswan, Egypt.
  • 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 HSP46
Triple: [MBTA diesel locomotives, hasModel, MPI HSP46]
Generated description
The MPI HSP46 is a modern diesel-electric passenger locomotive built by MotivePower, Inc. for commuter rail service, notably used by the Massachusetts Bay Transportation Authority (MBTA).
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MPI HSP46
Target entity description: The MPI HSP46 is a modern diesel-electric passenger locomotive built by MotivePower, Inc. for commuter rail service, notably used by the Massachusetts Bay Transportation Authority (MBTA).
  • A. MPS
    MPS is a language workbench and integrated development environment by JetBrains designed for creating and working with domain-specific languages using projectional editing.
  • B. MPS
    MPS is a leading German research institute specializing in the study of the Sun and the solar system, operating under the Max Planck Society.
  • C. MASP
    MASP (Museu de Arte de São Paulo) is one of Brazil’s most important art museums, renowned for its striking modernist architecture and extensive collection of Western and Brazilian art.
  • D. HMPO
    HMPO is the abbreviated name for Her Majesty's Passport Office, the UK government agency responsible for issuing passports and managing civil registration services.
  • E. HESN
    HESN is the ICAO airport code for Aswan International Airport in Aswan, Egypt.
  • 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.