Triple

T17895027
Position Surface form Disambiguated ID Type / Status
Subject Repin train E447410 entity
Predicate operatedOnRoute P21808 FINISHED
Object Saint Petersburg–Helsinki
Saint Petersburg–Helsinki is an international rail corridor linking Russia’s cultural capital with Finland’s capital city.
 E1297925 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–Helsinki | Statement: [Repin train, operatedOnRoute, Saint Petersburg–Helsinki]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Saint Petersburg–Helsinki
Context triple: [Repin train, operatedOnRoute, Saint Petersburg–Helsinki]
  • A. Vyborg
    Vyborg is a historic port city in northwestern Russia near the Finnish border, known for its medieval castle and long-contested status between Sweden, Finland, and Russia.
  • B. Kotka
    Kotka is a coastal city in southeastern Finland on the Gulf of Finland, known as an important port and maritime center.
  • C. Kajaani
    Kajaani is a small city in central Finland known for its historic castle ruins and role as a regional cultural and economic center in the Kainuu region.
  • D. Moscow–Saint Petersburg
    Moscow–Saint Petersburg is Russia’s busiest and most important intercity rail corridor, linking the nation’s capital with its second-largest city.
  • E. Helsinki
    Helsinki is the capital and largest city of Finland, known for its coastal location on the Baltic Sea, modern design, and vibrant cultural life.
  • 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–Helsinki
Triple: [Repin train, operatedOnRoute, Saint Petersburg–Helsinki]
Generated description
Saint Petersburg–Helsinki is an international rail corridor linking Russia’s cultural capital with Finland’s capital city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Saint Petersburg–Helsinki
Target entity description: Saint Petersburg–Helsinki is an international rail corridor linking Russia’s cultural capital with Finland’s capital city.
  • A. Vyborg
    Vyborg is a historic port city in northwestern Russia near the Finnish border, known for its medieval castle and long-contested status between Sweden, Finland, and Russia.
  • B. Kotka
    Kotka is a coastal city in southeastern Finland on the Gulf of Finland, known as an important port and maritime center.
  • C. Kajaani
    Kajaani is a small city in central Finland known for its historic castle ruins and role as a regional cultural and economic center in the Kainuu region.
  • D. Moscow–Saint Petersburg
    Moscow–Saint Petersburg is Russia’s busiest and most important intercity rail corridor, linking the nation’s capital with its second-largest city.
  • E. Helsinki
    Helsinki is the capital and largest city of Finland, known for its coastal location on the Baltic Sea, modern design, and vibrant cultural life.
  • 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_69d8b9f59bd48190a6fc925a855b8bac completed April 10, 2026, 8:51 a.m.
NER Named-entity recognition batch_69e49d7eb4f48190951e26975b57873b completed April 19, 2026, 9:16 a.m.
NED1 Entity disambiguation (via context triple) batch_6a03290849b081908186afa86cd74ad1 completed May 12, 2026, 1:20 p.m.
NEDg Description generation batch_6a032aca603c81908ad23b0f19813942 completed May 12, 2026, 1:27 p.m.
NED2 Entity disambiguation (via description) batch_6a032c42d0a08190b2665adafaffdca7 completed May 12, 2026, 1:33 p.m.
Created at: April 10, 2026, 10:19 a.m.