Triple

T233445
Position Surface form Disambiguated ID Type / Status
Subject Karelian Isthmus E4456 entity
Predicate railConnection P848 FINISHED
Object Saint Petersburg–Vyborg railway
The Saint Petersburg–Vyborg railway is a major rail line in northwestern Russia that connects the city of Saint Petersburg with the town of Vyborg across the Karelian Isthmus.
E4456 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–Vyborg railway | Statement: [Karelian Isthmus, railConnection, Saint Petersburg–Vyborg railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Saint Petersburg–Vyborg railway
Context triple: [Karelian Isthmus, railConnection, Saint Petersburg–Vyborg railway]
  • A. Rhine Railway
    The Rhine Railway is a major railway line in Western Europe that connects key cities along the Rhine corridor, facilitating both international passenger and freight transport.
  • B. Karelian Isthmus
    The Karelian Isthmus is a strategically important land corridor between the Gulf of Finland and Lake Ladoga in northwestern Russia, historically contested between Finland and Russia and heavily fortified and fought over in the 20th century.
  • C. JR Yumesaki Line
    The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
  • D. Nevsky Prospekt
    Nevsky Prospekt is the main avenue and one of the most famous streets in St. Petersburg, known for its historic architecture, cultural institutions, and role as the city’s central thoroughfare.
  • E. Pelham Line
    The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
  • 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–Vyborg railway
Triple: [Karelian Isthmus, railConnection, Saint Petersburg–Vyborg railway]
Generated description
The Saint Petersburg–Vyborg railway is a major rail line in northwestern Russia that connects the city of Saint Petersburg with the town of Vyborg across the Karelian Isthmus.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Saint Petersburg–Vyborg railway
Target entity description: The Saint Petersburg–Vyborg railway is a major rail line in northwestern Russia that connects the city of Saint Petersburg with the town of Vyborg across the Karelian Isthmus.
  • A. Rhine Railway
    The Rhine Railway is a major railway line in Western Europe that connects key cities along the Rhine corridor, facilitating both international passenger and freight transport.
  • B. Karelian Isthmus chosen
    The Karelian Isthmus is a strategically important land corridor between the Gulf of Finland and Lake Ladoga in northwestern Russia, historically contested between Finland and Russia and heavily fortified and fought over in the 20th century.
  • C. JR Yumesaki Line
    The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
  • D. Nevsky Prospekt
    Nevsky Prospekt is the main avenue and one of the most famous streets in St. Petersburg, known for its historic architecture, cultural institutions, and role as the city’s central thoroughfare.
  • E. Pelham Line
    The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
  • F. None of above.

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_69a257363ffc81909757bde7ab3404da completed Feb. 28, 2026, 2:47 a.m.
NER Named-entity recognition batch_69a25cb07b5c8190a482154819912abf completed Feb. 28, 2026, 3:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69a362bd591c8190940e6b1cd81017ae completed Feb. 28, 2026, 9:48 p.m.
NEDg Description generation batch_69a3632b0efc8190967d00b6a8dcfa4e completed Feb. 28, 2026, 9:50 p.m.
NED2 Entity disambiguation (via description) batch_69a36381ebd0819093a26d587c11ebe4 completed Feb. 28, 2026, 9:52 p.m.
Created at: Feb. 28, 2026, 2:53 a.m.