Triple

T9901479
Position Surface form Disambiguated ID Type / Status
Subject Chernyshevskaya metro station E182291 entity
Predicate isPartOfNetwork P840 FINISHED
Object first line of Saint Petersburg Metro E620598 NE FINISHED

How this triple was built (2 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: first line of Saint Petersburg Metro | Statement: [Chernyshevskaya metro station, isPartOfNetwork, first line of Saint Petersburg Metro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: first line of Saint Petersburg Metro
Context triple: [Chernyshevskaya metro station, isPartOfNetwork, first line of Saint Petersburg Metro]
  • A. Line 1 of Saint Petersburg Metro chosen
    Line 1 of the Saint Petersburg Metro is the city’s oldest and one of its main north–south rapid transit lines, serving key central and residential districts.
  • B. Line 5 of Saint Petersburg Metro
    Line 5 of the Saint Petersburg Metro is one of the city’s main rapid transit lines, serving several central and outlying districts as part of the broader underground network.
  • 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. Line 3 of Saint Petersburg Metro
    Line 3 of the Saint Petersburg Metro, also known as the Nevsko–Vasileostrovskaya Line, is a major rapid transit line running generally east–west across the city and serving key central and residential districts.
  • E. Line 4 of Saint Petersburg Metro
    Line 4 of the Saint Petersburg Metro is one of the city’s rapid transit lines, serving several key districts and interchanging with multiple other lines in the network.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca82876f8081909cf75df0f99bb13f completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cdb4e221448190b536742d1269f9d7 completed April 2, 2026, 12:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69d1eb2125208190b4cf549d67d1ca42 completed April 5, 2026, 4:54 a.m.
Created at: March 30, 2026, 8:40 p.m.