Triple
T1847140
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Volgograd Metrotram |
E41308
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Metroelektrotrans Volgograd
Metroelektrotrans Volgograd is the municipal public transport company responsible for operating Volgograd’s tram and light rail services.
|
E41308
|
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: Metroelektrotrans Volgograd | Statement: [Volgograd Metrotram, operator, Metroelektrotrans Volgograd]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metroelektrotrans Volgograd Context triple: [Volgograd Metrotram, operator, Metroelektrotrans Volgograd]
-
A.
Volgograd Metrotram
The Volgograd Metrotram is a hybrid light rail and underground tram system in Volgograd, Russia, providing rapid transit-style service along a dedicated north–south corridor through the city.
-
B.
Moscow Monorail
Moscow Monorail is an elevated urban transit line in Moscow that operates with monorail technology and complements the city’s metro system.
-
C.
Crimean trolleybus line
The Crimean trolleybus line is a long-distance electric trolleybus route in Crimea, notable for being one of the world’s longest trolleybus lines and connecting cities such as Simferopol, Alushta, and Yalta across mountainous terrain.
-
D.
Moscow Railway suburban network
The Moscow Railway suburban network is an extensive commuter rail system serving Moscow and the surrounding Moscow Oblast, connecting the capital with numerous satellite towns and suburbs.
-
E.
Moscow tram network
The Moscow tram network is an extensive urban tramway system that complements the Moscow Metro by providing surface-level public transportation across the city.
- 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: Metroelektrotrans Volgograd Triple: [Volgograd Metrotram, operator, Metroelektrotrans Volgograd]
Generated description
Metroelektrotrans Volgograd is the municipal public transport company responsible for operating Volgograd’s tram and light rail services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Metroelektrotrans Volgograd Target entity description: Metroelektrotrans Volgograd is the municipal public transport company responsible for operating Volgograd’s tram and light rail services.
-
A.
Volgograd Metrotram
chosen
The Volgograd Metrotram is a hybrid light rail and underground tram system in Volgograd, Russia, providing rapid transit-style service along a dedicated north–south corridor through the city.
-
B.
Moscow Monorail
Moscow Monorail is an elevated urban transit line in Moscow that operates with monorail technology and complements the city’s metro system.
-
C.
Crimean trolleybus line
The Crimean trolleybus line is a long-distance electric trolleybus route in Crimea, notable for being one of the world’s longest trolleybus lines and connecting cities such as Simferopol, Alushta, and Yalta across mountainous terrain.
-
D.
Moscow Railway suburban network
The Moscow Railway suburban network is an extensive commuter rail system serving Moscow and the surrounding Moscow Oblast, connecting the capital with numerous satellite towns and suburbs.
-
E.
Moscow tram network
The Moscow tram network is an extensive urban tramway system that complements the Moscow Metro by providing surface-level public transportation across the city.
- 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_69a88648cd44819093303206d96d76ad |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb052e0a8819091bbc0da0e0a20fb |
completed | March 7, 2026, 4:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69add1c6941081909cef987ebe4b4d6c |
completed | March 8, 2026, 7:45 p.m. |
| NEDg | Description generation | batch_69add28a8f848190bf6ea0924e7dd9fc |
completed | March 8, 2026, 7:48 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69add37ad9a481908b2a1476a8d33091 |
completed | March 8, 2026, 7:52 p.m. |
Created at: March 4, 2026, 7:33 p.m.