Triple
T7670995
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ostrava main railway station |
E173745
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object |
Ostrava–Opava line
The Ostrava–Opava line is a regional railway route in the Czech Republic connecting the industrial city of Ostrava with the historic city of Opava.
|
E686382
|
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: Ostrava–Opava line | Statement: [Ostrava main railway station, railwayLine, Ostrava–Opava line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ostrava–Opava line Context triple: [Ostrava main railway station, railwayLine, Ostrava–Opava line]
-
A.
Ostrava–Bohumín line
The Ostrava–Bohumín line is a key railway route in the Czech Republic that connects the industrial city of Ostrava with the town of Bohumín and forms part of major national and international rail corridors.
-
B.
Ostrava–Praha line
The Ostrava–Praha line is a major Czech railway corridor connecting the industrial city of Ostrava with the capital Prague, serving as one of the country’s busiest passenger and freight routes.
-
C.
Ostrava–Frýdlant nad Ostravicí line
The Ostrava–Frýdlant nad Ostravicí line is a regional railway route in the Moravian-Silesian Region of the Czech Republic that connects the city of Ostrava with the foothills of the Beskid Mountains.
-
D.
Plzeň–Cheb railway line
The Plzeň–Cheb railway line is a major rail route in western Czechia connecting the city of Plzeň with the border city of Cheb and forming part of an important corridor toward Germany.
-
E.
Prague–Plzeň railway line
The Prague–Plzeň railway line is a major Czech rail corridor connecting the capital city Prague with the industrial and regional hub of Plzeň, serving both passenger and freight traffic.
- 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–Opava line Triple: [Ostrava main railway station, railwayLine, Ostrava–Opava line]
Generated description
The Ostrava–Opava line is a regional railway route in the Czech Republic connecting the industrial city of Ostrava with the historic city of Opava.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ostrava–Opava line Target entity description: The Ostrava–Opava line is a regional railway route in the Czech Republic connecting the industrial city of Ostrava with the historic city of Opava.
-
A.
Ostrava–Bohumín line
The Ostrava–Bohumín line is a key railway route in the Czech Republic that connects the industrial city of Ostrava with the town of Bohumín and forms part of major national and international rail corridors.
-
B.
Ostrava–Praha line
The Ostrava–Praha line is a major Czech railway corridor connecting the industrial city of Ostrava with the capital Prague, serving as one of the country’s busiest passenger and freight routes.
-
C.
Ostrava–Frýdlant nad Ostravicí line
The Ostrava–Frýdlant nad Ostravicí line is a regional railway route in the Moravian-Silesian Region of the Czech Republic that connects the city of Ostrava with the foothills of the Beskid Mountains.
-
D.
Plzeň–Cheb railway line
The Plzeň–Cheb railway line is a major rail route in western Czechia connecting the city of Plzeň with the border city of Cheb and forming part of an important corridor toward Germany.
-
E.
Prague–Plzeň railway line
The Prague–Plzeň railway line is a major Czech rail corridor connecting the capital city Prague with the industrial and regional hub of Plzeň, serving both passenger and freight traffic.
- 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_69c699562484819086752091e3164a27 |
completed | March 27, 2026, 2:51 p.m. |
| NER | Named-entity recognition | batch_69c701dd3c808190990e07ced94b3297 |
completed | March 27, 2026, 10:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8be205b848190a850abc3f5ac4ef3 |
completed | March 29, 2026, 5:52 a.m. |
| NEDg | Description generation | batch_69c8bfc8256081908a6ae947d783f19f |
completed | March 29, 2026, 5:59 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c8c02e7a548190b2c5ad84e4c3f1fb |
completed | March 29, 2026, 6:01 a.m. |
Created at: March 27, 2026, 4 p.m.