Triple

T7670994
Position Surface form Disambiguated ID Type / Status
Subject Ostrava main railway station E173745 entity
Predicate railwayLine P848 FINISHED
Object 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.
E684121 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–Frýdlant nad Ostravicí line | Statement: [Ostrava main railway station, railwayLine, Ostrava–Frýdlant nad Ostravicí line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ostrava–Frýdlant nad Ostravicí line
Context triple: [Ostrava main railway station, railwayLine, Ostrava–Frýdlant nad Ostravicí 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. Plzeň–Klatovy railway line
    The Plzeň–Klatovy railway line is a regional rail route in the Czech Republic connecting the city of Plzeň with the town of Klatovy and serving as an important link in western Bohemia’s rail network.
  • 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. Plzeň–Domažlice railway line
    The Plzeň–Domažlice railway line is a regional rail route in the Czech Republic connecting the city of Plzeň with the town of Domažlice and forming part of an important corridor toward Germany.
  • 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–Frýdlant nad Ostravicí line
Triple: [Ostrava main railway station, railwayLine, Ostrava–Frýdlant nad Ostravicí line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ostrava–Frýdlant nad Ostravicí line
Target entity description: 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.
  • 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. Plzeň–Klatovy railway line
    The Plzeň–Klatovy railway line is a regional rail route in the Czech Republic connecting the city of Plzeň with the town of Klatovy and serving as an important link in western Bohemia’s rail network.
  • 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. Plzeň–Domažlice railway line
    The Plzeň–Domažlice railway line is a regional rail route in the Czech Republic connecting the city of Plzeň with the town of Domažlice and forming part of an important corridor toward Germany.
  • 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_69c8b4f716a48190a0ca52caffc2c1c1 completed March 29, 2026, 5:13 a.m.
NEDg Description generation batch_69c8b6811b1881909a835ab4c3eefbf7 completed March 29, 2026, 5:20 a.m.
NED2 Entity disambiguation (via description) batch_69c8b6dcca508190b031eaea6b73b35e completed March 29, 2026, 5:21 a.m.
Created at: March 27, 2026, 4 p.m.