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.