Triple

T6769453
Position Surface form Disambiguated ID Type / Status
Subject Saint Petersburg Metro E155005 entity
Predicate connectsTo P845 FINISHED
Object Saint Petersburg tram network
The Saint Petersburg tram network is an extensive urban tramway system in Saint Petersburg, Russia, historically one of the world’s largest and a key component of the city’s public transport.
E617248 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: Saint Petersburg tram network | Statement: [Saint Petersburg Metro, connectsTo, Saint Petersburg tram network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Saint Petersburg tram network
Context triple: [Saint Petersburg Metro, connectsTo, Saint Petersburg tram network]
  • A. 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.
  • B. 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.
  • C. Saint Petersburg suburban railways
    Saint Petersburg suburban railways are an extensive commuter rail network serving the greater Saint Petersburg metropolitan area, connecting the city with its surrounding suburbs and regional towns.
  • D. Volgograd tram network
    The Volgograd tram network is an extensive urban tramway system serving the Russian city of Volgograd, providing surface-level public transport that complements the partially grade-separated Volgograd Metrotram.
  • E. 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.
  • 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: Saint Petersburg tram network
Triple: [Saint Petersburg Metro, connectsTo, Saint Petersburg tram network]
Generated description
The Saint Petersburg tram network is an extensive urban tramway system in Saint Petersburg, Russia, historically one of the world’s largest and a key component of the city’s public transport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Saint Petersburg tram network
Target entity description: The Saint Petersburg tram network is an extensive urban tramway system in Saint Petersburg, Russia, historically one of the world’s largest and a key component of the city’s public transport.
  • A. 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.
  • B. 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.
  • C. Saint Petersburg suburban railways
    Saint Petersburg suburban railways are an extensive commuter rail network serving the greater Saint Petersburg metropolitan area, connecting the city with its surrounding suburbs and regional towns.
  • D. Volgograd tram network
    The Volgograd tram network is an extensive urban tramway system serving the Russian city of Volgograd, providing surface-level public transport that complements the partially grade-separated Volgograd Metrotram.
  • E. 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.
  • 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_69c68812ef7c819099369f51febb725c completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d232d1f08190bc30c0f24f28c475 completed March 27, 2026, 6:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69c712c46b70819097401afab991c808 completed March 27, 2026, 11:29 p.m.
NEDg Description generation batch_69c713853bf88190a8a07fd9f4ea1687 completed March 27, 2026, 11:32 p.m.
NED2 Entity disambiguation (via description) batch_69c713ead2a48190bbf95caf2ca8d997 completed March 27, 2026, 11:34 p.m.
Created at: March 27, 2026, 2:12 p.m.