Triple

T23280170
Position Surface form Disambiguated ID Type / Status
Subject Tonbridge to London Cannon Street E588837 entity
Predicate typicalRollingStock P5426 FINISHED
Object Class 376 Electrostar
The Class 376 Electrostar is a high-capacity, third-rail electric multiple unit used by Southeastern for intensive suburban commuter services in the London area.
E1579796 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: Class 376 Electrostar | Statement: [Tonbridge to London Cannon Street, typicalRollingStock, Class 376 Electrostar]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Class 376 Electrostar
Context triple: [Tonbridge to London Cannon Street, typicalRollingStock, Class 376 Electrostar]
  • A. Class 379 Electrostar
    The Class 379 Electrostar is a British electric multiple-unit train type built by Bombardier for high-frequency commuter and airport services, known for its modern design and passenger comfort.
  • B. Class 375 Electrostar
    The Class 375 Electrostar is a British electric multiple-unit train widely used for commuter and regional services in Southeast England.
  • C. Class 387 Electrostar
    The Class 387 Electrostar is a British dual-voltage electric multiple unit train used for high-frequency commuter and regional services on electrified routes.
  • D. Class 377 electric multiple unit
    The Class 377 electric multiple unit is a modern British Electrostar commuter train widely used on suburban and regional services in the south of England.
  • E. British Rail Class 377
    The British Rail Class 377 is a fleet of electric multiple-unit commuter trains widely used in southeast England, particularly by Govia Thameslink Railway services.
  • 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: Class 376 Electrostar
Triple: [Tonbridge to London Cannon Street, typicalRollingStock, Class 376 Electrostar]
Generated description
The Class 376 Electrostar is a high-capacity, third-rail electric multiple unit used by Southeastern for intensive suburban commuter services in the London area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Class 376 Electrostar
Target entity description: The Class 376 Electrostar is a high-capacity, third-rail electric multiple unit used by Southeastern for intensive suburban commuter services in the London area.
  • A. Class 379 Electrostar
    The Class 379 Electrostar is a British electric multiple-unit train type built by Bombardier for high-frequency commuter and airport services, known for its modern design and passenger comfort.
  • B. Class 375 Electrostar
    The Class 375 Electrostar is a British electric multiple-unit train widely used for commuter and regional services in Southeast England.
  • C. Class 387 Electrostar
    The Class 387 Electrostar is a British dual-voltage electric multiple unit train used for high-frequency commuter and regional services on electrified routes.
  • D. Class 377 electric multiple unit
    The Class 377 electric multiple unit is a modern British Electrostar commuter train widely used on suburban and regional services in the south of England.
  • E. British Rail Class 377
    The British Rail Class 377 is a fleet of electric multiple-unit commuter trains widely used in southeast England, particularly by Govia Thameslink Railway services.
  • 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_69e25d16e2c08190a291de254703129e completed April 17, 2026, 4:17 p.m.
NER Named-entity recognition batch_69f19642b46481909fd455acd2155792 completed April 29, 2026, 5:25 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c4c886e708190813e824dc6dc18a6 completed May 19, 2026, 11:42 a.m.
NEDg Description generation batch_6a0c4e3a7374819099635f56d0d513c3 completed May 19, 2026, 11:49 a.m.
NED2 Entity disambiguation (via description) batch_6a0c4ecaaf208190a845013b342e3a88 completed May 19, 2026, 11:51 a.m.
Created at: April 17, 2026, 4:51 p.m.