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.