Triple
T8654609
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ongar |
E205382
|
entity |
| Predicate | hasHeritageRailway |
P522
|
FINISHED |
| Object |
Epping Ongar Railway
Epping Ongar Railway is a preserved heritage railway in Essex, England, operating historic trains on a former London Underground branch line between Epping and Ongar.
|
E749887
|
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: Epping Ongar Railway | Statement: [Ongar, hasHeritageRailway, Epping Ongar Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Epping Ongar Railway Context triple: [Ongar, hasHeritageRailway, Epping Ongar Railway]
-
A.
Sittingbourne & Kemsley Light Railway
The Sittingbourne & Kemsley Light Railway is a preserved narrow-gauge heritage railway in Kent, England, originally built to serve the local paper industry and now operated for tourist and enthusiast rides.
-
B.
Mid Hants Railway
Mid Hants Railway, also known as the Watercress Line, is a preserved heritage railway in Hampshire, England, famed for its steam-hauled services through scenic countryside.
-
C.
Chinnor and Princes Risborough Railway
Chinnor and Princes Risborough Railway is a preserved heritage railway in Oxfordshire and Buckinghamshire, England, operating historic trains along part of the former Watlington branch line between Chinnor and Princes Risborough.
-
D.
Bure Valley Railway
Bure Valley Railway is a heritage narrow-gauge steam railway in Norfolk, England, offering scenic journeys through the Bure Valley countryside.
-
E.
Hampton Court branch line
The Hampton Court branch line is a short suburban railway line in southwest London that connects Surbiton to Hampton Court, primarily serving commuter and local passenger traffic.
- 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: Epping Ongar Railway Triple: [Ongar, hasHeritageRailway, Epping Ongar Railway]
Generated description
Epping Ongar Railway is a preserved heritage railway in Essex, England, operating historic trains on a former London Underground branch line between Epping and Ongar.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Epping Ongar Railway Target entity description: Epping Ongar Railway is a preserved heritage railway in Essex, England, operating historic trains on a former London Underground branch line between Epping and Ongar.
-
A.
Sittingbourne & Kemsley Light Railway
The Sittingbourne & Kemsley Light Railway is a preserved narrow-gauge heritage railway in Kent, England, originally built to serve the local paper industry and now operated for tourist and enthusiast rides.
-
B.
Mid Hants Railway
Mid Hants Railway, also known as the Watercress Line, is a preserved heritage railway in Hampshire, England, famed for its steam-hauled services through scenic countryside.
-
C.
Chinnor and Princes Risborough Railway
Chinnor and Princes Risborough Railway is a preserved heritage railway in Oxfordshire and Buckinghamshire, England, operating historic trains along part of the former Watlington branch line between Chinnor and Princes Risborough.
-
D.
Bure Valley Railway
Bure Valley Railway is a heritage narrow-gauge steam railway in Norfolk, England, offering scenic journeys through the Bure Valley countryside.
-
E.
Hampton Court branch line
The Hampton Court branch line is a short suburban railway line in southwest London that connects Surbiton to Hampton Court, primarily serving commuter and local passenger traffic.
- 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_69ca8350897c819086cde7596fbe5fe7 |
completed | March 30, 2026, 2:06 p.m. |
| NER | Named-entity recognition | batch_69cc48432568819093b9a867b4f62b78 |
completed | March 31, 2026, 10:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ceccdaad2881908f131ee9da2841d1 |
completed | April 2, 2026, 8:08 p.m. |
| NEDg | Description generation | batch_69cecf69fdb4819098a8af4e26354fea |
completed | April 2, 2026, 8:19 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ced06cfce88190ad4b95f1aa82d42b |
completed | April 2, 2026, 8:24 p.m. |
Created at: March 30, 2026, 6:29 p.m.