Triple

T11267003
Position Surface form Disambiguated ID Type / Status
Subject Ligovsky Prospekt metro station E266711 entity
Predicate partOfLine P6309 FINISHED
Object Line 4 of Saint Petersburg Metro E623586 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 4 of Saint Petersburg Metro | Statement: [Ligovsky Prospekt metro station, partOfLine, Line 4 of Saint Petersburg Metro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Line 4 of Saint Petersburg Metro
Context triple: [Ligovsky Prospekt metro station, partOfLine, Line 4 of Saint Petersburg Metro]
  • A. Line 4 of Saint Petersburg Metro chosen
    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.
  • 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. 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 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.
  • E. 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.
  • 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_69d6aac8c2f48190ad0596f1f89f0470 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e94e5e3c8190a31995d55d20d7ed completed April 9, 2026, 6 p.m.
NED1 Entity disambiguation (via context triple) batch_69e4ccd52c20819093e03bba2fd359b7 completed April 19, 2026, 12:38 p.m.
Created at: April 8, 2026, 9:31 p.m.