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.