Triple
T18818426
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Essex Road railway station |
E460197
|
entity |
| Predicate | lineUsesFormerly |
P32801
|
FINISHED |
| Object | Great Northern & City Railway |
E775855
|
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: Great Northern & City Railway | Statement: [Essex Road railway station, lineUsesFormerly, Great Northern & City Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great Northern & City Railway Context triple: [Essex Road railway station, lineUsesFormerly, Great Northern & City Railway]
-
A.
Great Northern and City Railway
chosen
The Great Northern and City Railway was a deep-level underground railway in London designed to link the Great Northern Railway’s mainline services directly into the City, later becoming part of the London Underground network.
-
B.
Great Northern Railway
Great Northern Railway was a major American transcontinental railroad that operated in the northern United States, connecting the Great Lakes to the Pacific Northwest.
-
C.
Great Northern Railway
The Great Northern Railway was a major British railway company that operated extensive routes across northern England and played a key role in the development of the region’s transport infrastructure during the 19th and early 20th centuries.
-
D.
Great Northern Railway
The Great Northern Railway is a historic rail line in Queensland, Australia, that opened up the state’s remote northern interior by linking inland mining towns with coastal ports.
-
E.
Great Northern, Piccadilly and Brompton Railway
The Great Northern, Piccadilly and Brompton Railway was an early 20th-century deep-level London Underground railway company that formed the core of what is now the Piccadilly line.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: lineUsesFormerly Context triple: [Essex Road railway station, lineUsesFormerly, Great Northern & City Railway]
-
A.
lineUses
Indicates that a particular line (such as a route, service, or connection) makes use of or is implemented using a specified resource, infrastructure, or element.
-
B.
lineUse
Indicates how a particular line (such as a route, track, or service line) is utilized or purposed within a system or network.
-
C.
formerLine
chosen
Indicates that an entity previously served as a particular transit or service line but no longer does so.
-
D.
formerLineName
Indicates that the object is a previous or former name by which the referenced line was known.
-
E.
lineHistorically
Indicates that a line or route has existed or operated during a specific historical period or context.
- F. None of above.
Provenance (4 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_69d8dcf94c288190a06dea029ae4b223 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5a6b7e75c81909bc65cfc61cbe1c6 |
completed | April 20, 2026, 4:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a055bca90d481908e1633dc4eef476d |
completed | May 14, 2026, 5:21 a.m. |
| PD | Predicate disambiguation | batch_69e48d1b10ec8190985c6fb5766ff981 |
completed | April 19, 2026, 8:06 a.m. |
Created at: April 10, 2026, 11:55 a.m.