Triple
T9147552
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Gravesend railway station |
E219494
|
entity |
| Predicate | lineServed |
P6301
|
FINISHED |
| Object | Chatham Main Line (via connecting services) |
E207138
|
NE FINISHED |
How this triple was built (2 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: Chatham Main Line (via connecting services) | Statement: [Gravesend railway station, lineServed, Chatham Main Line (via connecting services)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chatham Main Line (via connecting services) Context triple: [Gravesend railway station, lineServed, Chatham Main Line (via connecting services)]
-
A.
Chatham Main Line via Lewisham
The Chatham Main Line via Lewisham is a key suburban and commuter rail route in southeast London that carries trains between central London and Kent through Lewisham.
-
B.
Chatham Main Line
chosen
The Chatham Main Line is a major railway route in southeast England that connects London with Medway, east Kent, and coastal towns such as Ramsgate and Dover.
-
C.
East Coast Main Line
The East Coast Main Line is a major high-speed railway route in the United Kingdom that runs between London and Edinburgh, serving numerous key cities and regions along the east side of the country.
-
D.
Bedford–Brighton line
The Bedford–Brighton line is a major north–south commuter and regional rail route in southern England, running through central London and forming the core of the Thameslink network.
-
E.
Northern Main Line
The Northern Main Line is a major Swedish railway route that runs through central and northern Sweden, connecting Stockholm with key inland and northern regions.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca83e121dc81909912bd66953081c5 |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69cca918a3c881909c34a6a682eb2625 |
completed | April 1, 2026, 5:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d0482995cc81909bfc202cbab7f8a1 |
completed | April 3, 2026, 11:07 p.m. |
Created at: March 30, 2026, 7:20 p.m.