Triple
T13751978
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Eastern and Chatham Railway |
E330374
|
entity |
| Predicate | operatedRailwayLine |
P5620
|
FINISHED |
| Object |
Elham Valley Railway
The Elham Valley Railway was a rural branch line in Kent, England, that connected Canterbury and Folkestone through the Elham Valley and was eventually closed in the mid-20th century.
|
E1058971
|
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: Elham Valley Railway | Statement: [South Eastern and Chatham Railway, operatedRailwayLine, Elham Valley Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Elham Valley Railway Context triple: [South Eastern and Chatham Railway, operatedRailwayLine, Elham Valley Railway]
-
A.
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.
-
B.
Bure Valley Railway
Bure Valley Railway is a heritage narrow-gauge steam railway in Norfolk, England, offering scenic journeys through the Bure Valley countryside.
-
C.
Iller Valley Railway
The Iller Valley Railway is a scenic railway line in southern Germany that follows the Iller River, connecting Ulm with the Alpine town of Oberstdorf.
-
D.
Tauber Valley Railway
The Tauber Valley Railway is a regional rail line in southern Germany that runs through the scenic Tauber River valley, connecting towns such as Bad Mergentheim and serving both local transport and tourism.
-
E.
Selke Valley Railway
The Selke Valley Railway is a scenic narrow-gauge railway line in Germany’s Harz region, known for its historic steam trains running through the Selke River valley.
- 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: Elham Valley Railway Triple: [South Eastern and Chatham Railway, operatedRailwayLine, Elham Valley Railway]
Generated description
The Elham Valley Railway was a rural branch line in Kent, England, that connected Canterbury and Folkestone through the Elham Valley and was eventually closed in the mid-20th century.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Elham Valley Railway Target entity description: The Elham Valley Railway was a rural branch line in Kent, England, that connected Canterbury and Folkestone through the Elham Valley and was eventually closed in the mid-20th century.
-
A.
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.
-
B.
Bure Valley Railway
Bure Valley Railway is a heritage narrow-gauge steam railway in Norfolk, England, offering scenic journeys through the Bure Valley countryside.
-
C.
Iller Valley Railway
The Iller Valley Railway is a scenic railway line in southern Germany that follows the Iller River, connecting Ulm with the Alpine town of Oberstdorf.
-
D.
Tauber Valley Railway
The Tauber Valley Railway is a regional rail line in southern Germany that runs through the scenic Tauber River valley, connecting towns such as Bad Mergentheim and serving both local transport and tourism.
-
E.
Selke Valley Railway
The Selke Valley Railway is a scenic narrow-gauge railway line in Germany’s Harz region, known for its historic steam trains running through the Selke River valley.
- 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_69f7a8560614819085958205637f3863 |
completed | May 3, 2026, 7:56 p.m. |
| NEDg | Description generation | batch_69f7a8f6833881908bcca35d7d01596a |
completed | May 3, 2026, 7:58 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f7a9c3c6548190802e1163c9c35b67 |
completed | May 3, 2026, 8:02 p.m. |
Created at: April 9, 2026, 10:09 p.m.