Triple

T7639206
Position Surface form Disambiguated ID Type / Status
Subject Katowice railway station E172955 entity
Predicate isOnRailwayLine P848 FINISHED
Object Katowice–Gliwice railway line
The Katowice–Gliwice railway line is a major rail route in southern Poland that connects the cities of Katowice and Gliwice within the Upper Silesian metropolitan area.
 E680695 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: Katowice–Gliwice railway line | Statement: [Katowice railway station, isOnRailwayLine, Katowice–Gliwice railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Katowice–Gliwice railway line
Context triple: [Katowice railway station, isOnRailwayLine, Katowice–Gliwice railway line]
  • A. Kraków–Katowice railway line
    The Kraków–Katowice railway line is a major rail route in southern Poland that connects the cities of Kraków and Katowice, serving as an important corridor for both passenger and freight traffic.
  • B. Warszawa–Katowice railway line
    The Warszawa–Katowice railway line is a major electrified rail corridor in Poland connecting the capital Warsaw with the industrial and urban centers of Upper Silesia, including Katowice.
  • C. Łódź–Tuplice railway
    The Łódź–Tuplice railway is a major Polish rail line connecting the central city of Łódź with the western border region near Germany, serving both passenger and freight traffic.
  • D. Łódź–Ostrów Wielkopolski railway
    The Łódź–Ostrów Wielkopolski railway is a regional rail line in central Poland connecting the city of Łódź with Ostrów Wielkopolski and serving as an important route for both passenger and freight traffic.
  • E. Warsaw–Białystok railway line
    The Warsaw–Białystok railway line is a major rail route in northeastern Poland that connects the capital city Warsaw with the regional center Białystok, serving as an important corridor for both passenger and freight transport.
  • 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: Katowice–Gliwice railway line
Triple: [Katowice railway station, isOnRailwayLine, Katowice–Gliwice railway line]
Generated description
The Katowice–Gliwice railway line is a major rail route in southern Poland that connects the cities of Katowice and Gliwice within the Upper Silesian metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Katowice–Gliwice railway line
Target entity description: The Katowice–Gliwice railway line is a major rail route in southern Poland that connects the cities of Katowice and Gliwice within the Upper Silesian metropolitan area.
  • A. Kraków–Katowice railway line
    The Kraków–Katowice railway line is a major rail route in southern Poland that connects the cities of Kraków and Katowice, serving as an important corridor for both passenger and freight traffic.
  • B. Warszawa–Katowice railway line
    The Warszawa–Katowice railway line is a major electrified rail corridor in Poland connecting the capital Warsaw with the industrial and urban centers of Upper Silesia, including Katowice.
  • C. Łódź–Tuplice railway
    The Łódź–Tuplice railway is a major Polish rail line connecting the central city of Łódź with the western border region near Germany, serving both passenger and freight traffic.
  • D. Łódź–Ostrów Wielkopolski railway
    The Łódź–Ostrów Wielkopolski railway is a regional rail line in central Poland connecting the city of Łódź with Ostrów Wielkopolski and serving as an important route for both passenger and freight traffic.
  • E. Warsaw–Białystok railway line
    The Warsaw–Białystok railway line is a major rail route in northeastern Poland that connects the capital city Warsaw with the regional center Białystok, serving as an important corridor for both passenger and freight transport.
  • 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_69c69952849881908fdcea7a93bfc307 completed March 27, 2026, 2:50 p.m.
NER Named-entity recognition batch_69c6facc4b5481908697e662b0991e3f completed March 27, 2026, 9:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8a2159cd0819085bfdb8c7694077b completed March 29, 2026, 3:52 a.m.
NEDg Description generation batch_69c8a2d073b08190a056e23cfdf13983 completed March 29, 2026, 3:56 a.m.
NED2 Entity disambiguation (via description) batch_69c8a37fabe481908c7da8a5d71a3f1c completed March 29, 2026, 3:58 a.m.
Created at: March 27, 2026, 3:57 p.m.