Triple
T13751980
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Eastern and Chatham Railway |
E330374
|
entity |
| Predicate | operatedRailwayLine |
P5620
|
FINISHED |
| Object |
Gravesend West Line
The Gravesend West Line was a former railway route in Kent, England, that connected the town of Gravesend to the wider regional rail network before its eventual closure.
|
E1092551
|
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: Gravesend West Line | Statement: [South Eastern and Chatham Railway, operatedRailwayLine, Gravesend West Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gravesend West Line Context triple: [South Eastern and Chatham Railway, operatedRailwayLine, Gravesend West Line]
-
A.
Dartford Loop line
The Dartford Loop line is a suburban railway route in southeast London that connects London with Dartford via several intermediate stations.
-
B.
Bexleyheath Line
The Bexleyheath Line is a suburban railway route in southeast London that connects central London with areas such as Bexleyheath and Dartford.
-
C.
Sidcup Line
The Sidcup Line is a suburban railway route in southeast London that connects central London with areas such as Sidcup and beyond, forming part of the Southeastern rail network.
-
D.
Tattenham Corner line
The Tattenham Corner line is a suburban railway branch in South London and Surrey, England, running from Purley to Tattenham Corner and serving areas such as Banstead and Epsom Downs.
-
E.
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.
- 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: Gravesend West Line Triple: [South Eastern and Chatham Railway, operatedRailwayLine, Gravesend West Line]
Generated description
The Gravesend West Line was a former railway route in Kent, England, that connected the town of Gravesend to the wider regional rail network before its eventual closure.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Gravesend West Line Target entity description: The Gravesend West Line was a former railway route in Kent, England, that connected the town of Gravesend to the wider regional rail network before its eventual closure.
-
A.
Dartford Loop line
The Dartford Loop line is a suburban railway route in southeast London that connects London with Dartford via several intermediate stations.
-
B.
Bexleyheath Line
The Bexleyheath Line is a suburban railway route in southeast London that connects central London with areas such as Bexleyheath and Dartford.
-
C.
Sidcup Line
The Sidcup Line is a suburban railway route in southeast London that connects central London with areas such as Sidcup and beyond, forming part of the Southeastern rail network.
-
D.
Tattenham Corner line
The Tattenham Corner line is a suburban railway branch in South London and Surrey, England, running from Purley to Tattenham Corner and serving areas such as Banstead and Epsom Downs.
-
E.
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.
- 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_69d81c573f288190aa2403d484fa3d49 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de0215cfa08190aaed8b089aff217b |
completed | April 14, 2026, 9 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd466ac0f08190b99dd4cdcef339c6 |
completed | May 8, 2026, 2:11 a.m. |
| NEDg | Description generation | batch_69fd47061cb081909abe5fe35aa03ead |
completed | May 8, 2026, 2:14 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fd4781a6788190a2174a87e00a1fd8 |
completed | May 8, 2026, 2:16 a.m. |
Created at: April 9, 2026, 10:09 p.m.