Triple

T29555332

Position	Surface form	Disambiguated ID	Type / Status
Subject	Epping Ongar Railway	`E749887`	entity
Predicate	formerStationOnLine	`P197259`	FINISHED
Object	Blake Hall railway station Blake Hall railway station is a disused rural station in Essex, England, formerly on the London Underground’s Central line and now part of the heritage Epping Ongar Railway.	`E1871863`	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: Blake Hall railway station | Statement: [Epping Ongar Railway, formerStationOnLine, Blake Hall railway station]

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: Blake Hall railway station
Triple: [Epping Ongar Railway, formerStationOnLine, Blake Hall railway station]

Generated description

Blake Hall railway station is a disused rural station in Essex, England, formerly on the London Underground’s Central line and now part of the heritage Epping Ongar Railway.

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

Target predicate: formerStationOnLine
Context triple: [Epping Ongar Railway, formerStationOnLine, Blake Hall railway station]

A. previousStationOnLine1
Indicates that one station is the immediately preceding station to another station along transit line 1.
B. stationOnLine
Indicates that a particular station is located on or served by a specific transit line.
C. previousStationOnLineA
Indicates that one station is immediately before another station along line A in the route order.
D. formerStationCode
Indicates that an entity previously had a specific station code that is no longer in current use.
E. followingStationOnLineD
Indicates that one station is the next station in sequence after another station on subway line D.
F. None of above. chosen

Provenance (7 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_69f0bd4919e48190942b2a13d5b97d03`	completed	April 28, 2026, 1:59 p.m.
NER	Named-entity recognition	`batch_69fe831c97c88190b27ecf100e25c2a0`	completed	May 9, 2026, 12:43 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a260c4b35348190abdba85d3c967268`	completed	June 8, 2026, 12:26 a.m.
NEDg	Description generation	`batch_6a2611c5b05c8190bb5237a0dafb8b4f`	completed	June 8, 2026, 12:50 a.m.
NED2	Entity disambiguation (via description)	`batch_6a2615e8084c8190bf17b0d50df4d1c3`	completed	June 8, 2026, 1:07 a.m.
PD	Predicate disambiguation	`batch_69fe7f1b92648190b14e56bcaee5d0ca`	completed	May 9, 2026, 12:26 a.m.
PDg	Predicate description generation	`batch_69fe831ba4708190a5564afd7d5a4319`	completed	May 9, 2026, 12:43 a.m.

Created at: April 28, 2026, 5:15 p.m.