Triple

T17948550
Position Surface form Disambiguated ID Type / Status
Subject Saint Petersburg suburban railways E448767 entity
Predicate hasHubStation P2413 FINISHED
Object Baltiysky railway station
Baltiysky railway station is one of Saint Petersburg’s major railway terminals, serving as a key hub for suburban and regional train services in the city’s southwest.
 E1299773 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: Baltiysky railway station | Statement: [Saint Petersburg suburban railways, hasHubStation, Baltiysky railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Baltiysky railway station
Context triple: [Saint Petersburg suburban railways, hasHubStation, Baltiysky railway station]
  • A. Vitebsky railway station
    Vitebsky railway station is one of Saint Petersburg’s main railway terminals, serving as a key hub for suburban and long-distance trains, particularly toward the south and southwest.
  • B. Brest railway station
    Brest railway station is a major rail hub in Brest, Belarus, known for its historic architecture and role as a key junction between Eastern and Western Europe.
  • C. Vladimir railway station
    Vladimir railway station is a major rail transport hub in the city of Vladimir, Russia, serving as the primary access point for travelers to nearby historic towns such as Suzdal.
  • D. Paveletsky railway station
    Paveletsky railway station is one of Moscow’s major rail terminals, serving long-distance, suburban, and high-speed trains and providing a key transport link between the city center and southern destinations.
  • E. Belorussky railway station
    Belorussky railway station is one of Moscow’s major railway terminals, serving long-distance, suburban, and airport express trains, including services to Sheremetyevo Airport.
  • 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: Baltiysky railway station
Triple: [Saint Petersburg suburban railways, hasHubStation, Baltiysky railway station]
Generated description
Baltiysky railway station is one of Saint Petersburg’s major railway terminals, serving as a key hub for suburban and regional train services in the city’s southwest.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Baltiysky railway station
Target entity description: Baltiysky railway station is one of Saint Petersburg’s major railway terminals, serving as a key hub for suburban and regional train services in the city’s southwest.
  • A. Vitebsky railway station
    Vitebsky railway station is one of Saint Petersburg’s main railway terminals, serving as a key hub for suburban and long-distance trains, particularly toward the south and southwest.
  • B. Brest railway station
    Brest railway station is a major rail hub in Brest, Belarus, known for its historic architecture and role as a key junction between Eastern and Western Europe.
  • C. Vladimir railway station
    Vladimir railway station is a major rail transport hub in the city of Vladimir, Russia, serving as the primary access point for travelers to nearby historic towns such as Suzdal.
  • D. Paveletsky railway station
    Paveletsky railway station is one of Moscow’s major rail terminals, serving long-distance, suburban, and high-speed trains and providing a key transport link between the city center and southern destinations.
  • E. Belorussky railway station
    Belorussky railway station is one of Moscow’s major railway terminals, serving long-distance, suburban, and airport express trains, including services to Sheremetyevo Airport.
  • 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_69d8b9f8cca8819099836916c56b7c95 completed April 10, 2026, 8:51 a.m.
NER Named-entity recognition batch_69e4afaac780819097434b20b1f155d2 completed April 19, 2026, 10:34 a.m.
NED1 Entity disambiguation (via context triple) batch_6a03379f901481908091ce9d22ea44c0 completed May 12, 2026, 2:22 p.m.
NEDg Description generation batch_6a0338cd02808190b650f59fc16bab0d completed May 12, 2026, 2:27 p.m.
NED2 Entity disambiguation (via description) batch_6a033cb498248190a3805cd356832cd0 completed May 12, 2026, 2:44 p.m.
Created at: April 10, 2026, 10:21 a.m.