Triple
T7114705
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sofia Metro |
E165788
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object |
Pesa trains
Pesa trains are modern electric multiple units manufactured by the Polish company Pesa, used as part of the rolling stock on systems such as the Sofia Metro.
|
E641778
|
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: Pesa trains | Statement: [Sofia Metro, hasRollingStock, Pesa trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pesa trains Context triple: [Sofia Metro, hasRollingStock, Pesa trains]
-
A.
XPT train
The XPT train is a long-distance, high-speed diesel passenger train used in New South Wales, Australia, based on the British InterCity 125 design.
-
B.
Rotem bi-level coach
The Rotem bi-level coach is a double-decker commuter rail passenger car built by Hyundai Rotem to increase capacity and comfort on services such as the MBTA Commuter Rail.
-
C.
Liberator Express
The Liberator Express was a transport aircraft variant of the Consolidated B-24 Liberator bomber used primarily during World War II for cargo and personnel transport.
-
D.
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.
-
E.
Vande Bharat Express
Vande Bharat Express is a semi-high-speed, fully air-conditioned train service in India known for its modern design, onboard amenities, and faster intercity travel.
- 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: Pesa trains Triple: [Sofia Metro, hasRollingStock, Pesa trains]
Generated description
Pesa trains are modern electric multiple units manufactured by the Polish company Pesa, used as part of the rolling stock on systems such as the Sofia Metro.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pesa trains Target entity description: Pesa trains are modern electric multiple units manufactured by the Polish company Pesa, used as part of the rolling stock on systems such as the Sofia Metro.
-
A.
XPT train
The XPT train is a long-distance, high-speed diesel passenger train used in New South Wales, Australia, based on the British InterCity 125 design.
-
B.
Rotem bi-level coach
The Rotem bi-level coach is a double-decker commuter rail passenger car built by Hyundai Rotem to increase capacity and comfort on services such as the MBTA Commuter Rail.
-
C.
Liberator Express
The Liberator Express was a transport aircraft variant of the Consolidated B-24 Liberator bomber used primarily during World War II for cargo and personnel transport.
-
D.
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.
-
E.
Vande Bharat Express
Vande Bharat Express is a semi-high-speed, fully air-conditioned train service in India known for its modern design, onboard amenities, and faster intercity travel.
- 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_69c6888227bc8190a1394679e3116f90 |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e5f0dab8819092103aefcaa1f9c2 |
completed | March 27, 2026, 8:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c79cbfc7a08190ab07f3d65aa79f16 |
completed | March 28, 2026, 9:17 a.m. |
| NEDg | Description generation | batch_69c79d0215888190b0e59c2584358a05 |
completed | March 28, 2026, 9:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c79d63b6dc8190b3b52ef6566ba490 |
completed | March 28, 2026, 9:20 a.m. |
Created at: March 27, 2026, 2:43 p.m.