Triple

T10571763

Position	Surface form	Disambiguated ID	Type / Status
Subject	Murcia–El Carmen railway station	`E249498`	entity
Predicate	railwayLine	`P848`	FINISHED
Object	Murcia–Cartagena railway The Murcia–Cartagena railway is a key rail line in southeastern Spain that connects the city of Murcia with the port city of Cartagena, serving both passenger and freight traffic.	`E876915`	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: Murcia–Cartagena railway | Statement: [Murcia–El Carmen railway station, railwayLine, Murcia–Cartagena railway]

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

Target entity: Murcia–Cartagena railway
Context triple: [Murcia–El Carmen railway station, railwayLine, Murcia–Cartagena railway]

A. Murcia–Alicante railway
The Murcia–Alicante railway is a rail line in southeastern Spain that connects the cities of Murcia and Alicante, serving as an important regional passenger and freight corridor.
B. Madrid–Murcia railway
The Madrid–Murcia railway is a major rail line in Spain that connects the capital city Madrid with the southeastern city of Murcia, serving as an important corridor for both passenger and freight transport.
C. Murcia–Águilas railway
The Murcia–Águilas railway is a regional rail line in southeastern Spain that connects the city of Murcia with the coastal town of Águilas, serving as an important link for passenger and local transport in the Region of Murcia.
D. Madrid–Alicante railway
The Madrid–Alicante railway is a major Spanish rail line connecting the capital Madrid with the Mediterranean coastal city of Alicante, serving as an important corridor for both passenger and freight transport.
E. Madrid–Valencia railway
The Madrid–Valencia railway is a major Spanish rail line connecting the nation’s capital with the Mediterranean port city of Valencia, 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: Murcia–Cartagena railway
Triple: [Murcia–El Carmen railway station, railwayLine, Murcia–Cartagena railway]

Generated description

The Murcia–Cartagena railway is a key rail line in southeastern Spain that connects the city of Murcia with the port city of Cartagena, serving both passenger and freight traffic.

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

Target entity: Murcia–Cartagena railway
Target entity description: The Murcia–Cartagena railway is a key rail line in southeastern Spain that connects the city of Murcia with the port city of Cartagena, serving both passenger and freight traffic.

A. Murcia–Alicante railway
The Murcia–Alicante railway is a rail line in southeastern Spain that connects the cities of Murcia and Alicante, serving as an important regional passenger and freight corridor.
B. Madrid–Murcia railway
The Madrid–Murcia railway is a major rail line in Spain that connects the capital city Madrid with the southeastern city of Murcia, serving as an important corridor for both passenger and freight transport.
C. Murcia–Águilas railway
The Murcia–Águilas railway is a regional rail line in southeastern Spain that connects the city of Murcia with the coastal town of Águilas, serving as an important link for passenger and local transport in the Region of Murcia.
D. Madrid–Alicante railway
The Madrid–Alicante railway is a major Spanish rail line connecting the capital Madrid with the Mediterranean coastal city of Alicante, serving as an important corridor for both passenger and freight transport.
E. Madrid–Valencia railway
The Madrid–Valencia railway is a major Spanish rail line connecting the nation’s capital with the Mediterranean port city of Valencia, 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_69d381c8bd708190acf3d275c908251e`	completed	April 6, 2026, 9:50 a.m.
NER	Named-entity recognition	`batch_69d52747a8d88190ab59333937180edc`	completed	April 7, 2026, 3:48 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69d97a10f17081909fd9465cf35685a1`	completed	April 10, 2026, 10:30 p.m.
NEDg	Description generation	`batch_69d97c7bc87481908d50eb6f294170eb`	completed	April 10, 2026, 10:40 p.m.
NED2	Entity disambiguation (via description)	`batch_69d97e015b088190a97822675eecaa5a`	completed	April 10, 2026, 10:47 p.m.

Created at: April 6, 2026, 12:37 p.m.