Triple
T1417526
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Thameslink |
E31951
|
entity |
| Predicate | usesLine |
P1293
|
FINISHED |
| Object |
Catford Loop Line
The Catford Loop Line is a suburban railway route in southeast London that provides an alternative corridor between central London and Kent, serving several local commuter stations along the way.
|
E161426
|
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: Catford Loop Line | Statement: [Thameslink, usesLine, Catford Loop Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Catford Loop Line Context triple: [Thameslink, usesLine, Catford Loop Line]
-
A.
Bury Line
The Bury Line is a light rail route on Greater Manchester's Metrolink network that connects central Manchester with the town of Bury to the north.
-
B.
Styal Line
The Styal Line is a suburban railway route in Greater Manchester, England, connecting central Manchester with Manchester Airport and surrounding areas.
-
C.
North Downs Line
The North Downs Line is a railway route in South East England that runs across the North Downs, linking Reading with Redhill and Gatwick Airport via towns such as Guildford.
-
D.
Hope Valley Line
The Hope Valley Line is a scenic railway route in northern England that runs through the Peak District, connecting Manchester and Sheffield via rural stations such as Edale.
-
E.
Fife Circle Line
The Fife Circle Line is a suburban rail route in Fife, Scotland, forming a loop north of Edinburgh that serves towns such as Dunfermline, Kirkcaldy, and Glenrothes with Thornton.
- 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: Catford Loop Line Triple: [Thameslink, usesLine, Catford Loop Line]
Generated description
The Catford Loop Line is a suburban railway route in southeast London that provides an alternative corridor between central London and Kent, serving several local commuter stations along the way.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Catford Loop Line Target entity description: The Catford Loop Line is a suburban railway route in southeast London that provides an alternative corridor between central London and Kent, serving several local commuter stations along the way.
-
A.
Bury Line
The Bury Line is a light rail route on Greater Manchester's Metrolink network that connects central Manchester with the town of Bury to the north.
-
B.
Styal Line
The Styal Line is a suburban railway route in Greater Manchester, England, connecting central Manchester with Manchester Airport and surrounding areas.
-
C.
North Downs Line
The North Downs Line is a railway route in South East England that runs across the North Downs, linking Reading with Redhill and Gatwick Airport via towns such as Guildford.
-
D.
Hope Valley Line
The Hope Valley Line is a scenic railway route in northern England that runs through the Peak District, connecting Manchester and Sheffield via rural stations such as Edale.
-
E.
Fife Circle Line
The Fife Circle Line is a suburban rail route in Fife, Scotland, forming a loop north of Edinburgh that serves towns such as Dunfermline, Kirkcaldy, and Glenrothes with Thornton.
- 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_69a49919a994819086528951bc224775 |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c404e92c8190bd018673383f4534 |
completed | March 1, 2026, 10:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ace5833bb88190bcaf8cf46264ab26 |
completed | March 8, 2026, 2:57 a.m. |
| NEDg | Description generation | batch_69ace61d60d48190a72aaa68264997eb |
completed | March 8, 2026, 2:59 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ace6d8e35c8190bff4beff48977efc |
completed | March 8, 2026, 3:02 a.m. |
Created at: March 1, 2026, 7:59 p.m.