Triple

T9719518
Position Surface form Disambiguated ID Type / Status
Subject Nevsky Prospekt–Gostiny Dvor metro hub E235427 entity
Predicate connectsLine P845 FINISHED
Object Line 3 of Saint Petersburg Metro E156654 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 3 of Saint Petersburg Metro | Statement: [Nevsky Prospekt–Gostiny Dvor metro hub, connectsLine, Line 3 of Saint Petersburg Metro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Line 3 of Saint Petersburg Metro
Context triple: [Nevsky Prospekt–Gostiny Dvor metro hub, connectsLine, Line 3 of Saint Petersburg Metro]
  • A. Line 3 of Saint Petersburg Metro chosen
    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.
  • B. 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.
  • C. 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.
  • D. Line 2 of Saint Petersburg Metro
    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.
  • E. 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.
  • 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_69ca84d0123c819096f9dc3b6abb0881 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cd9e4022c4819097455f14dd9b1a77 completed April 1, 2026, 10:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69d1afa6d0d08190a8008b675c9aabb1 completed April 5, 2026, 12:41 a.m.
Created at: March 30, 2026, 8:20 p.m.