Triple
T1778022
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bicester |
E39224
|
entity |
| Predicate | servedByRailwayLine |
P848
|
FINISHED |
| Object | Chiltern Main Line |
E200087
|
NE FINISHED |
How this triple was built (3 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: Chiltern Main Line | Statement: [Bicester, servedByRailwayLine, Chiltern Main Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chiltern Main Line Context triple: [Bicester, servedByRailwayLine, Chiltern Main Line]
-
A.
Chiltern Main Line
chosen
The Chiltern Main Line is a major railway route in England connecting London Marylebone with the West Midlands via key towns such as High Wycombe, Banbury, and Leamington Spa.
-
B.
Wessex Main Line
The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
-
C.
Cotswold Line
The Cotswold Line is a railway route in England running through the scenic Cotswolds region, linking Oxford with Worcester and Hereford.
-
D.
Chiltern Railways
Chiltern Railways is a British train operating company providing passenger rail services primarily between London and the Midlands.
-
E.
West Anglia Main Line
The West Anglia Main Line is a major railway route in eastern England that connects London with Cambridge and other destinations in the East of England.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: servedByRailwayLine Context triple: [Bicester, servedByRailwayLine, Chiltern Main Line]
-
A.
servedByRailroad
Indicates that a location or facility is provided with transportation or service by a railroad line or company.
-
B.
railwayLine
chosen
Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
-
C.
formerRailwayLine
Indicates that a railway line previously existed in the past but is no longer in operation or has been decommissioned.
-
D.
railwayLineType
Indicates the specific kind or classification of a railway line associated with an entity (e.g., main line, branch line, high-speed line).
-
E.
railLineOrigin
Indicates that a rail line begins or originates from a specified location or point.
- F. None of above.
Provenance (4 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_69a88630519c8190a17addd83c4a3ef4 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69ab74dc9d1481908084ef07872a71f8 |
completed | March 7, 2026, 12:44 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adbf4fd0ec8190904f1ad2155c58bf |
completed | March 8, 2026, 6:26 p.m. |
| PD | Predicate disambiguation | batch_69aa61cf3ca881908641fd73ce2f7c9d |
completed | March 6, 2026, 5:10 a.m. |
Created at: March 4, 2026, 7:31 p.m.