Triple

T7833565

Position	Surface form	Disambiguated ID	Type / Status
Subject	Brandýs nad Labem-Stará Boleslav	`E181632`	entity
Predicate	transportConnection	`P1298`	FINISHED
Object	railway line Prague–Mladá Boleslav The railway line Prague–Mladá Boleslav is a regional rail route in the Czech Republic connecting the capital city Prague with the industrial town of Mladá Boleslav and intermediate communities in Central Bohemia.	`E695965`	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: railway line Prague–Mladá Boleslav | Statement: [Brandýs nad Labem-Stará Boleslav, transportConnection, railway line Prague–Mladá Boleslav]

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

Target entity: railway line Prague–Mladá Boleslav
Context triple: [Brandýs nad Labem-Stará Boleslav, transportConnection, railway line Prague–Mladá Boleslav]

A. 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.
B. 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.
C. 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.
D. 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.
E. 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.
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: railway line Prague–Mladá Boleslav
Triple: [Brandýs nad Labem-Stará Boleslav, transportConnection, railway line Prague–Mladá Boleslav]

Generated description

The railway line Prague–Mladá Boleslav is a regional rail route in the Czech Republic connecting the capital city Prague with the industrial town of Mladá Boleslav and intermediate communities in Central Bohemia.

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

Target entity: railway line Prague–Mladá Boleslav
Target entity description: The railway line Prague–Mladá Boleslav is a regional rail route in the Czech Republic connecting the capital city Prague with the industrial town of Mladá Boleslav and intermediate communities in Central Bohemia.

A. 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.
B. 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.
C. 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.
D. 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.
E. 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.
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_69ca8284a25c8190a1a20afad30da792`	completed	March 30, 2026, 2:02 p.m.
NER	Named-entity recognition	`batch_69cb064a47648190af2ca2b336584a92`	completed	March 30, 2026, 11:24 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69cb5a9b7bb081909d6aa066ee064093`	completed	March 31, 2026, 5:24 a.m.
NEDg	Description generation	`batch_69cb5ded0284819086c40a379b52a5bd`	completed	March 31, 2026, 5:38 a.m.
NED2	Entity disambiguation (via description)	`batch_69cb765db28881909ac34071ec6889b3`	completed	March 31, 2026, 7:23 a.m.

Created at: March 30, 2026, 4:45 p.m.