Triple
T316963
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Volgograd |
E7727
|
entity |
| Predicate | transportInfrastructure |
P1777
|
FINISHED |
| Object |
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.
|
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: Volgograd Metrotram | Statement: [Volgograd, transportInfrastructure, Volgograd Metrotram]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Volgograd Metrotram Context triple: [Volgograd, transportInfrastructure, Volgograd Metrotram]
-
A.
Moscow Metro
The Moscow Metro is a major rapid transit system in Moscow renowned for its extensive network, high passenger capacity, and ornately decorated stations often likened to underground palaces.
-
B.
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.
-
C.
Ploshchad Vosstaniya metro station
Ploshchad Vosstaniya metro station is a major Saint Petersburg Metro station and transport hub located beneath Vosstaniya Square at the eastern end of Nevsky Prospekt.
-
D.
Mayakovskaya metro station
Mayakovskaya metro station is a Saint Petersburg Metro station located near Nevsky Prospekt, known for its central location and role as a key transfer and transit point in the city’s network.
-
E.
Astapovo
Astapovo is a small Russian railway station village historically known as the place where the writer Leo Tolstoy died in 1910.
- 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: Volgograd Metrotram Triple: [Volgograd, transportInfrastructure, Volgograd Metrotram]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Volgograd Metrotram Target entity description: 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.
-
A.
Moscow Metro
The Moscow Metro is a major rapid transit system in Moscow renowned for its extensive network, high passenger capacity, and ornately decorated stations often likened to underground palaces.
-
B.
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.
-
C.
Ploshchad Vosstaniya metro station
Ploshchad Vosstaniya metro station is a major Saint Petersburg Metro station and transport hub located beneath Vosstaniya Square at the eastern end of Nevsky Prospekt.
-
D.
Mayakovskaya metro station
Mayakovskaya metro station is a Saint Petersburg Metro station located near Nevsky Prospekt, known for its central location and role as a key transfer and transit point in the city’s network.
-
E.
Astapovo
Astapovo is a small Russian railway station village historically known as the place where the writer Leo Tolstoy died in 1910.
- 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_69a2e7e7af7881908890039d6be4e9b8 |
completed | Feb. 28, 2026, 1:04 p.m. |
| NER | Named-entity recognition | batch_69a2ea65ca7081908093e6aaaf2d34f7 |
completed | Feb. 28, 2026, 1:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3cafef7d48190b00f577488298605 |
completed | March 1, 2026, 5:13 a.m. |
| NEDg | Description generation | batch_69a3cb608d5481908e43e0c0d021f925 |
completed | March 1, 2026, 5:15 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3cc0fb7b48190bf002516d07b6bc5 |
completed | March 1, 2026, 5:18 a.m. |
Created at: Feb. 28, 2026, 1:08 p.m.