Triple

T17210348

Position	Surface form	Disambiguated ID	Type / Status
Subject	Ostrów Wielkopolski railway station	`E417711`	entity
Predicate	railwayLine	`P848`	FINISHED
Object	Poznań–Katowice railway line The Poznań–Katowice railway line is a major rail route in western and southern Poland that connects the city of Poznań with the industrial region around Katowice, serving as an important corridor for both passenger and freight traffic.	`E1258096`	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: Poznań–Katowice railway line | Statement: [Ostrów Wielkopolski railway station, railwayLine, Poznań–Katowice railway line]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Poznań–Katowice railway line
Context triple: [Ostrów Wielkopolski railway station, railwayLine, Poznań–Katowice 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. 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.
C. 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.
D. Katowice–Bielsko-Biała railway line
The Katowice–Bielsko-Biała railway line is a major rail route in southern Poland connecting the regional capital Katowice with the city of Bielsko-Biała, serving both passenger and freight traffic in the Silesian region.
E. Poznań–Piła railway line
The Poznań–Piła railway line is a key rail route in western Poland connecting the regional capital Poznań with the city of Piła, 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: Poznań–Katowice railway line
Triple: [Ostrów Wielkopolski railway station, railwayLine, Poznań–Katowice railway line]

Generated description

The Poznań–Katowice railway line is a major rail route in western and southern Poland that connects the city of Poznań with the industrial region around Katowice, serving as an important corridor for both passenger and freight traffic.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Poznań–Katowice railway line
Target entity description: The Poznań–Katowice railway line is a major rail route in western and southern Poland that connects the city of Poznań with the industrial region around Katowice, serving as an important corridor for both passenger and freight traffic.

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. 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.
C. 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.
D. Katowice–Bielsko-Biała railway line
The Katowice–Bielsko-Biała railway line is a major rail route in southern Poland connecting the regional capital Katowice with the city of Bielsko-Biała, serving both passenger and freight traffic in the Silesian region.
E. Poznań–Piła railway line
The Poznań–Piła railway line is a key rail route in western Poland connecting the regional capital Poznań with the city of Piła, 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_69d886d779488190b131369541c04e7d`	completed	April 10, 2026, 5:12 a.m.
NER	Named-entity recognition	`batch_69e42dc4792081909443df7937768ede`	completed	April 19, 2026, 1:20 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a01674df2cc8190be602b15d49d38d0`	completed	May 11, 2026, 5:21 a.m.
NEDg	Description generation	`batch_6a016c03dab88190926c36f2e6b55861`	completed	May 11, 2026, 5:41 a.m.
NED2	Entity disambiguation (via description)	`batch_6a016cba568481908920fe42cae5f153`	completed	May 11, 2026, 5:44 a.m.

Created at: April 10, 2026, 5:38 a.m.