Triple

T8629003
Position Surface form Disambiguated ID Type / Status
Subject Sennaya Ploshchad metro station E204352 entity
Predicate isInterchangeStationFor P15892 FINISHED
Object Line 2 of Saint Petersburg Metro E622369 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: Line 2 of Saint Petersburg Metro | Statement: [Sennaya Ploshchad metro station, isInterchangeStationFor, Line 2 of Saint Petersburg Metro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Line 2 of Saint Petersburg Metro
Context triple: [Sennaya Ploshchad metro station, isInterchangeStationFor, Line 2 of Saint Petersburg Metro]
  • A. Line 2 of Saint Petersburg Metro chosen
    Line 2 of the Saint Petersburg Metro is one of the city’s main rapid transit lines, running north–south through central Saint Petersburg and serving several key interchange stations.
  • B. Line 1 of Saint Petersburg Metro
    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.
  • C. 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.
  • D. 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.
  • 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_69ca834a4ea0819094970dceb9e389f3 completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc473f6b888190ae40d65f24122c88 completed March 31, 2026, 10:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69cebc02b4008190a70ca8eb6f43926d completed April 2, 2026, 6:57 p.m.
Created at: March 30, 2026, 6:27 p.m.