Triple

T2309840

Position	Surface form	Disambiguated ID	Type / Status
Subject	Mersey Tunnels	`E51926`	entity
Predicate	owner	`P347`	FINISHED
Object	Liverpool City Region Combined Authority The Liverpool City Region Combined Authority is a strategic local government body that oversees transport, economic development, and regional planning across the Liverpool City Region in northwest England.	`E254281`	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: Liverpool City Region Combined Authority | Statement: [Mersey Tunnels, owner, Liverpool City Region Combined Authority]

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

Target entity: Liverpool City Region Combined Authority
Context triple: [Mersey Tunnels, owner, Liverpool City Region Combined Authority]

A. Greater Manchester Combined Authority
Greater Manchester Combined Authority is the strategic regional governing body for the Greater Manchester area in England, overseeing devolved powers such as transport, planning, and economic development across its constituent local councils.
B. West Midlands Combined Authority
The West Midlands Combined Authority is a regional governmental body in England responsible for strategic planning, transport, economic development, and coordination across local councils in the West Midlands metropolitan area.
C. Liverpool City Council
Liverpool City Council is the local government authority responsible for providing public services and administration for the city of Liverpool, England.
D. Manchester City Council
Manchester City Council is the local government authority responsible for providing public services and administration for the city of Manchester, England.
E. West Yorkshire Combined Authority
West Yorkshire Combined Authority is the strategic regional body responsible for overseeing economic development, transport, and investment across the West Yorkshire region in England.
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: Liverpool City Region Combined Authority
Triple: [Mersey Tunnels, owner, Liverpool City Region Combined Authority]

Generated description

The Liverpool City Region Combined Authority is a strategic local government body that oversees transport, economic development, and regional planning across the Liverpool City Region in northwest England.

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

Target entity: Liverpool City Region Combined Authority
Target entity description: The Liverpool City Region Combined Authority is a strategic local government body that oversees transport, economic development, and regional planning across the Liverpool City Region in northwest England.

A. Greater Manchester Combined Authority
Greater Manchester Combined Authority is the strategic regional governing body for the Greater Manchester area in England, overseeing devolved powers such as transport, planning, and economic development across its constituent local councils.
B. West Midlands Combined Authority
The West Midlands Combined Authority is a regional governmental body in England responsible for strategic planning, transport, economic development, and coordination across local councils in the West Midlands metropolitan area.
C. Liverpool City Council
Liverpool City Council is the local government authority responsible for providing public services and administration for the city of Liverpool, England.
D. Manchester City Council
Manchester City Council is the local government authority responsible for providing public services and administration for the city of Manchester, England.
E. West Yorkshire Combined Authority
West Yorkshire Combined Authority is the strategic regional body responsible for overseeing economic development, transport, and investment across the West Yorkshire region in England.
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_69a88b0bb30c81908ded03b006d29387`	completed	March 4, 2026, 7:42 p.m.
NER	Named-entity recognition	`batch_69abc6098ce88190ba2e987e6f0737ac`	completed	March 7, 2026, 6:30 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69ae7f3a007c8190b5c8683ced9d77fa`	completed	March 9, 2026, 8:05 a.m.
NEDg	Description generation	`batch_69ae7feec1288190a76192e0cbfb2f63`	completed	March 9, 2026, 8:08 a.m.
NED2	Entity disambiguation (via description)	`batch_69ae806fd8008190bfd6c6bcd1d0ddbd`	completed	March 9, 2026, 8:10 a.m.

Created at: March 4, 2026, 7:49 p.m.