Triple

T6963340
Position Surface form Disambiguated ID Type / Status
Subject London Blackfriars E161425 entity
Predicate isOnRoute P2127 FINISHED
Object London–Sevenoaks via Catford route
The London–Sevenoaks via Catford route is a suburban rail service in southeast England linking central London with Sevenoaks through the Catford area.
E633134 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: London–Sevenoaks via Catford route | Statement: [London Blackfriars, isOnRoute, London–Sevenoaks via Catford route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London–Sevenoaks via Catford route
Context triple: [London Blackfriars, isOnRoute, London–Sevenoaks via Catford route]
  • A. London–Sutton via Wimbledon route
    The London–Sutton via Wimbledon route is a suburban rail line in South London linking central London with Sutton through Wimbledon, serving a series of commuter stations along the way.
  • B. Bedford–St Pancras–Sutton route
    The Bedford–St Pancras–Sutton route is a suburban rail service in the London area forming part of the Thameslink network, linking Bedford in Bedfordshire with Sutton in south London via central London stations including St Pancras.
  • C. Luton–Rainham route
    The Luton–Rainham route is a cross-London commuter rail service running north–south through central London as part of the Thameslink network.
  • D. St Albans City–Sutton route
    The St Albans City–Sutton route is a suburban commuter rail line in the London area, forming part of the Thameslink network and linking Hertfordshire with south London.
  • E. 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.
  • 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: London–Sevenoaks via Catford route
Triple: [London Blackfriars, isOnRoute, London–Sevenoaks via Catford route]
Generated description
The London–Sevenoaks via Catford route is a suburban rail service in southeast England linking central London with Sevenoaks through the Catford area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: London–Sevenoaks via Catford route
Target entity description: The London–Sevenoaks via Catford route is a suburban rail service in southeast England linking central London with Sevenoaks through the Catford area.
  • A. London–Sutton via Wimbledon route
    The London–Sutton via Wimbledon route is a suburban rail line in South London linking central London with Sutton through Wimbledon, serving a series of commuter stations along the way.
  • B. Bedford–St Pancras–Sutton route
    The Bedford–St Pancras–Sutton route is a suburban rail service in the London area forming part of the Thameslink network, linking Bedford in Bedfordshire with Sutton in south London via central London stations including St Pancras.
  • C. Luton–Rainham route
    The Luton–Rainham route is a cross-London commuter rail service running north–south through central London as part of the Thameslink network.
  • D. St Albans City–Sutton route
    The St Albans City–Sutton route is a suburban commuter rail line in the London area, forming part of the Thameslink network and linking Hertfordshire with south London.
  • E. 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.
  • 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_69c68853cff881908439d488924a8283 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6daf197b0819085bd0433c8a7f716 completed March 27, 2026, 7:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69c761908564819084505f0ab1122a9c completed March 28, 2026, 5:05 a.m.
NEDg Description generation batch_69c76343aee0819098177ef2e5f833db completed March 28, 2026, 5:12 a.m.
NED2 Entity disambiguation (via description) batch_69c763eb69408190b7caa188ce13646e completed March 28, 2026, 5:15 a.m.
Created at: March 27, 2026, 2:30 p.m.