Triple

T1517215
Position Surface form Disambiguated ID Type / Status
Subject Ostrava E32147 entity
Predicate hasRailwayJunction P918 FINISHED
Object Ostrava main railway station
Ostrava main railway station is the principal rail hub in Ostrava, Czech Republic, serving as a major junction for regional and international train connections.
E173745 NE FINISHED

How this triple was built (5 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: Ostrava main railway station | Statement: [Ostrava, hasRailwayJunction, Ostrava main railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ostrava main railway station
Context triple: [Ostrava, hasRailwayJunction, Ostrava main railway station]
  • A. Plzeň main railway station
    Plzeň main railway station is the principal rail hub of the city of Plzeň in the Czech Republic, serving as a major regional and long-distance transport junction.
  • B. Katowice railway station
    Katowice railway station is the main passenger rail hub in Katowice, Poland, serving as a key transport interchange in the Silesian region.
  • C. Hradec Králové hlavní nádraží
    Hradec Králové hlavní nádraží is the main railway station serving the city of Hradec Králové in the Czech Republic, functioning as a key regional transport hub.
  • D. Chemnitz Hauptbahnhof
    Chemnitz Hauptbahnhof is the main railway station and central transportation hub of the city of Chemnitz in Saxony, Germany.
  • E. Chemnitz Zentralhaltestelle
    Chemnitz Zentralhaltestelle is the main central public transport hub in Chemnitz, Germany, where numerous tram and bus lines intersect.
  • 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: Ostrava main railway station
Triple: [Ostrava, hasRailwayJunction, Ostrava main railway station]
Generated description
Ostrava main railway station is the principal rail hub in Ostrava, Czech Republic, serving as a major junction for regional and international train connections.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ostrava main railway station
Target entity description: Ostrava main railway station is the principal rail hub in Ostrava, Czech Republic, serving as a major junction for regional and international train connections.
  • A. Plzeň main railway station
    Plzeň main railway station is the principal rail hub of the city of Plzeň in the Czech Republic, serving as a major regional and long-distance transport junction.
  • B. Katowice railway station
    Katowice railway station is the main passenger rail hub in Katowice, Poland, serving as a key transport interchange in the Silesian region.
  • C. Hradec Králové hlavní nádraží
    Hradec Králové hlavní nádraží is the main railway station serving the city of Hradec Králové in the Czech Republic, functioning as a key regional transport hub.
  • D. Chemnitz Hauptbahnhof
    Chemnitz Hauptbahnhof is the main railway station and central transportation hub of the city of Chemnitz in Saxony, Germany.
  • E. Chemnitz Zentralhaltestelle
    Chemnitz Zentralhaltestelle is the main central public transport hub in Chemnitz, Germany, where numerous tram and bus lines intersect.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasRailwayJunction
Context triple: [Ostrava, hasRailwayJunction, Ostrava main railway station]
  • A. railwayJunctionFor
    Indicates that a location serves as a junction point where multiple railway lines or routes connect or intersect for a given railway network or service.
  • B. hasJunctionWith
    Indicates that one entity meets or intersects with another at a shared junction point.
  • C. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • D. hasRailwayStation chosen
    Indicates that a place or location is served by, or contains, a railway station.
  • E. isTransportHubBetween
    Indicates that a location functions as a central node facilitating transportation connections between two or more other places.
  • F. None of above.

Provenance (6 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_69a885e8caf88190a5fbb6159ce87786 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a9396e16408190b5e7b0ac43376d81 completed March 5, 2026, 8:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad294b16e481908a0b3cf7fd774caa completed March 8, 2026, 7:46 a.m.
NEDg Description generation batch_69ad29f4edc48190b78a6df091e289ab completed March 8, 2026, 7:49 a.m.
NED2 Entity disambiguation (via description) batch_69ad2a78b9608190b70f8d0ae531618d completed March 8, 2026, 7:51 a.m.
PD Predicate disambiguation batch_69a907aa67cc81909f00135365447399 completed March 5, 2026, 4:33 a.m.
Created at: March 4, 2026, 7:26 p.m.