Triple

T24994499

Position	Surface form	Disambiguated ID	Type / Status
Subject	Cranbourne–Pakenham corridor	`E625530`	entity
Predicate	servedByProject	`P29878`	FINISHED
Object	Metro Tunnel (via Sunbury–Dandenong corridor integration) Metro Tunnel (via Sunbury–Dandenong corridor integration) is a major Melbourne rail infrastructure project that creates a new cross-city tunnel to increase capacity, reduce congestion, and enable through-running services between the Sunbury line and the Cranbourne–Pakenham corridor.	`E1657800`	NE FINISHED

How this triple was built (3 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: Metro Tunnel (via Sunbury–Dandenong corridor integration) | Statement: [Cranbourne–Pakenham corridor, servedByProject, Metro Tunnel (via Sunbury–Dandenong corridor integration)]

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: Metro Tunnel (via Sunbury–Dandenong corridor integration)
Triple: [Cranbourne–Pakenham corridor, servedByProject, Metro Tunnel (via Sunbury–Dandenong corridor integration)]

Generated description

Metro Tunnel (via Sunbury–Dandenong corridor integration) is a major Melbourne rail infrastructure project that creates a new cross-city tunnel to increase capacity, reduce congestion, and enable through-running services between the Sunbury line and the Cranbourne–Pakenham corridor.

PD Predicate disambiguation gpt-5-mini-2025-08-07

Target predicate: servedByProject
Context triple: [Cranbourne–Pakenham corridor, servedByProject, Metro Tunnel (via Sunbury–Dandenong corridor integration)]

A. servedByService
Indicates that something is provided, handled, or fulfilled by a particular service.
B. byProject
Indicates that something is organized, grouped, or associated according to a specific project.
C. servedByServiceVia
Indicates that something receives service or is fulfilled through a specific service acting as the intermediary or delivery mechanism.
D. backedProject
Indicates that one entity has provided support or resources, typically financial, to help initiate or sustain another entity’s project.
E. fedByProject chosen
Indicates that something receives its necessary input, resources, or data as a result of the execution or output of a specific project.
F. None of above.

Provenance (6 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_69e2ff2611c081908710457fbe6d376b`	completed	April 18, 2026, 3:48 a.m.
NER	Named-entity recognition	`batch_69f6430a93a48190854ce71df680b2fa`	completed	May 2, 2026, 6:31 p.m.
NED1	Entity disambiguation (via context triple)	`batch_6a10336ac6e481908430de7847492512`	completed	May 22, 2026, 10:43 a.m.
NEDg	Description generation	`batch_6a10372f702c8190a44f791c49f7b5f0`	completed	May 22, 2026, 10:59 a.m.
NED2	Entity disambiguation (via description)	`batch_6a1037e1863881909a08a9d79d50437a`	completed	May 22, 2026, 11:02 a.m.
PD	Predicate disambiguation	`batch_69f641da05b881909f6283c988639c53`	completed	May 2, 2026, 6:26 p.m.

Created at: April 18, 2026, 6:04 a.m.