Triple
T17635511
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Medstead and Four Marks railway station |
E430082
|
entity |
| Predicate | isPartOf |
P10
|
FINISHED |
| Object |
Watercress Line heritage railway
The Watercress Line heritage railway is a preserved steam railway in Hampshire, England, known for running historic trains through scenic countryside between Alton and Alresford.
|
E1278932
|
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: Watercress Line heritage railway | Statement: [Medstead and Four Marks railway station, isPartOf, Watercress Line heritage railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Watercress Line heritage railway Context triple: [Medstead and Four Marks railway station, isPartOf, Watercress Line heritage railway]
-
A.
Bluebell Railway
Bluebell Railway is a renowned preserved heritage railway in Sussex, England, operating historic steam trains through scenic countryside and serving as a popular tourist attraction and film location.
-
B.
Cambrian Heritage Railways
Cambrian Heritage Railways is a preserved heritage railway in Shropshire, England, dedicated to restoring and operating former Cambrian Railways lines and rolling stock for historical and tourist purposes.
-
C.
Bure Valley Railway
Bure Valley Railway is a heritage narrow-gauge steam railway in Norfolk, England, offering scenic journeys through the Bure Valley countryside.
-
D.
West Coast Wilderness Railway
The West Coast Wilderness Railway is a historic tourist railway in western Tasmania that runs through rugged rainforest and mountainous terrain, showcasing the region’s mining heritage and scenic landscapes.
-
E.
Meon Valley Railway
The Meon Valley Railway was a former rural railway line in Hampshire, England, known for serving the Meon Valley communities before its closure and later becoming a popular route for walking and cycling.
- 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: Watercress Line heritage railway Triple: [Medstead and Four Marks railway station, isPartOf, Watercress Line heritage railway]
Generated description
The Watercress Line heritage railway is a preserved steam railway in Hampshire, England, known for running historic trains through scenic countryside between Alton and Alresford.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Watercress Line heritage railway Target entity description: The Watercress Line heritage railway is a preserved steam railway in Hampshire, England, known for running historic trains through scenic countryside between Alton and Alresford.
-
A.
Bluebell Railway
Bluebell Railway is a renowned preserved heritage railway in Sussex, England, operating historic steam trains through scenic countryside and serving as a popular tourist attraction and film location.
-
B.
Cambrian Heritage Railways
Cambrian Heritage Railways is a preserved heritage railway in Shropshire, England, dedicated to restoring and operating former Cambrian Railways lines and rolling stock for historical and tourist purposes.
-
C.
Bure Valley Railway
Bure Valley Railway is a heritage narrow-gauge steam railway in Norfolk, England, offering scenic journeys through the Bure Valley countryside.
-
D.
West Coast Wilderness Railway
The West Coast Wilderness Railway is a historic tourist railway in western Tasmania that runs through rugged rainforest and mountainous terrain, showcasing the region’s mining heritage and scenic landscapes.
-
E.
Meon Valley Railway
The Meon Valley Railway was a former rural railway line in Hampshire, England, known for serving the Meon Valley communities before its closure and later becoming a popular route for walking and cycling.
- 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_69d889e37f308190a6aa0a69daff86c7 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e46de0ad988190b1a2c0bff69eb9f1 |
completed | April 19, 2026, 5:53 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a020aa1d3588190a0ed980338316770 |
completed | May 11, 2026, 4:58 p.m. |
| NEDg | Description generation | batch_6a020b906b848190a2ff2dd7548809a4 |
completed | May 11, 2026, 5:02 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a020c2ee784819082c0bbf09c12813b |
completed | May 11, 2026, 5:04 p.m. |
Created at: April 10, 2026, 5:52 a.m.