Triple
T8684770
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MARCH |
E206129
|
entity |
| Predicate | hasRailwayJunctionHistorically |
P84172
|
FINISHED |
| Object |
March Whitemoor marshalling yard
March Whitemoor marshalling yard is a large former railway marshalling complex near March in Cambridgeshire, England, historically significant as a major freight and sorting hub on the British rail network.
|
E751292
|
NE FINISHED |
How this triple was built (5 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: March Whitemoor marshalling yard | Statement: [MARCH, hasRailwayJunctionHistorically, March Whitemoor marshalling yard]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: March Whitemoor marshalling yard Context triple: [MARCH, hasRailwayJunctionHistorically, March Whitemoor marshalling yard]
-
A.
Northfields depot
Northfields depot is a London Underground maintenance and stabling facility serving trains on the Piccadilly line in west London.
-
B.
Epping train maintenance facility
The Epping train maintenance facility is a major rail depot in Melbourne that services and maintains suburban trains operating on the city's northern lines.
-
C.
Barlow train shed
The Barlow train shed is the vast 19th-century wrought-iron and glass arched roof that dramatically spans the platforms of London St Pancras station.
-
D.
Neasden Depot
Neasden Depot is a major London Underground maintenance and stabling facility serving trains on the Metropolitan line.
-
E.
Buckland Station
Buckland Station is a historic 19th-century stagecoach stop and waystation in Lyon County, Nevada, that served travelers along early overland routes.
- 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: March Whitemoor marshalling yard Triple: [MARCH, hasRailwayJunctionHistorically, March Whitemoor marshalling yard]
Generated description
March Whitemoor marshalling yard is a large former railway marshalling complex near March in Cambridgeshire, England, historically significant as a major freight and sorting hub on the British rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: March Whitemoor marshalling yard Target entity description: March Whitemoor marshalling yard is a large former railway marshalling complex near March in Cambridgeshire, England, historically significant as a major freight and sorting hub on the British rail network.
-
A.
Northfields depot
Northfields depot is a London Underground maintenance and stabling facility serving trains on the Piccadilly line in west London.
-
B.
Epping train maintenance facility
The Epping train maintenance facility is a major rail depot in Melbourne that services and maintains suburban trains operating on the city's northern lines.
-
C.
Barlow train shed
The Barlow train shed is the vast 19th-century wrought-iron and glass arched roof that dramatically spans the platforms of London St Pancras station.
-
D.
Neasden Depot
Neasden Depot is a major London Underground maintenance and stabling facility serving trains on the Metropolitan line.
-
E.
Buckland Station
Buckland Station is a historic 19th-century stagecoach stop and waystation in Lyon County, Nevada, that served travelers along early overland routes.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasRailwayJunctionHistorically Context triple: [MARCH, hasRailwayJunctionHistorically, March Whitemoor marshalling yard]
-
A.
hasRailroadHistoryWith
Indicates a historical relationship or connection between entities involving railroads, such as shared development, operation, or significant events in railway history.
-
B.
hasRailroadHistory
Indicates that an entity is associated with, involved in, or notable for historical events, operations, or developments related to railroads.
-
C.
railwayJunctionSince
Indicates that a location has functioned as a railway junction starting from a specified point in time.
-
D.
railwayJunctionFor
Indicates that a location serves as a junction point where multiple railway lines or routes connect or intersect for a given railway network or service.
-
E.
hasHeritageRailwayStation
Indicates that an entity possesses or is associated with a railway station that is preserved or operated as a heritage or historical railway facility.
- 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_69ca835379688190aa06b9d98e684d58 |
completed | March 30, 2026, 2:06 p.m. |
| NER | Named-entity recognition | batch_69cc4aeae740819099093906ccc5f640 |
completed | March 31, 2026, 10:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cef3c3c74c81908cd9e881d5963492 |
completed | April 2, 2026, 10:54 p.m. |
| NEDg | Description generation | batch_69cef521010081908815779c0bd2aac9 |
completed | April 2, 2026, 11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cef727ea088190bf40eaf5424ae864 |
completed | April 2, 2026, 11:09 p.m. |
| PD | Predicate disambiguation | batch_69cc4569f9048190b9c86b4c81103d35 |
completed | March 31, 2026, 10:06 p.m. |
| PDg | Predicate description generation | batch_69cc483f06f48190879f4702c8b4ed00 |
completed | March 31, 2026, 10:18 p.m. |
Created at: March 30, 2026, 6:32 p.m.