Triple

T9499357
Position Surface form Disambiguated ID Type / Status
Subject 81-717/714 series E229094 entity
Predicate usedIn P98 FINISHED
Object Yekaterinburg Metro
The Yekaterinburg Metro is a small, Soviet-era rapid transit system serving the Russian city of Yekaterinburg with a single line and a handful of underground stations.
E815886 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: Yekaterinburg Metro | Statement: [81-717/714 series, usedIn, Yekaterinburg Metro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Yekaterinburg Metro
Context triple: [81-717/714 series, usedIn, Yekaterinburg Metro]
  • A. Novosibirsk Metro
    Novosibirsk Metro is a rapid transit system in Novosibirsk, Russia, serving as a key component of the city's public transportation network with several lines and stations across the urban area.
  • B. Nizhny Novgorod Metro
    The Nizhny Novgorod Metro is a rapid transit system serving the city of Nizhny Novgorod, Russia, providing urban rail transportation across several lines and stations.
  • C. Saint Petersburg Metro
    The Saint Petersburg Metro is a major rapid transit system in Saint Petersburg, Russia, renowned for its deep underground stations and ornate, palace-like architecture.
  • D. Samara Metro
    Samara Metro is the rapid transit system serving the city of Samara, Russia, providing urban rail transportation across several key districts.
  • E. 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.
  • 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: Yekaterinburg Metro
Triple: [81-717/714 series, usedIn, Yekaterinburg Metro]
Generated description
The Yekaterinburg Metro is a small, Soviet-era rapid transit system serving the Russian city of Yekaterinburg with a single line and a handful of underground stations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Yekaterinburg Metro
Target entity description: The Yekaterinburg Metro is a small, Soviet-era rapid transit system serving the Russian city of Yekaterinburg with a single line and a handful of underground stations.
  • A. Novosibirsk Metro
    Novosibirsk Metro is a rapid transit system in Novosibirsk, Russia, serving as a key component of the city's public transportation network with several lines and stations across the urban area.
  • B. Nizhny Novgorod Metro
    The Nizhny Novgorod Metro is a rapid transit system serving the city of Nizhny Novgorod, Russia, providing urban rail transportation across several lines and stations.
  • C. Saint Petersburg Metro
    The Saint Petersburg Metro is a major rapid transit system in Saint Petersburg, Russia, renowned for its deep underground stations and ornate, palace-like architecture.
  • D. Samara Metro
    Samara Metro is the rapid transit system serving the city of Samara, Russia, providing urban rail transportation across several key districts.
  • E. 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.
  • 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_69ca84753660819098e8d416e89e26ae completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd983a94c48190a7ddf95a953c4ecc completed April 1, 2026, 10:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69d19f5cd12881909fb1524a972448ee completed April 4, 2026, 11:31 p.m.
NEDg Description generation batch_69d1a00183e08190ab6588b67eff9104 completed April 4, 2026, 11:34 p.m.
NED2 Entity disambiguation (via description) batch_69d1a05a78808190b441a3768b85cb55 completed April 4, 2026, 11:35 p.m.
Created at: March 30, 2026, 7:56 p.m.