Triple

T15120036
Position Surface form Disambiguated ID Type / Status
Subject DfT category E E361145 entity
Predicate hasBroaderCategory P8622 FINISHED
Object DfT category D
DfT category D is a UK Department for Transport vehicle classification band used to group certain types of vehicles by shared regulatory or operational characteristics.
 E1138297 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: DfT category D | Statement: [DfT category E, hasBroaderCategory, DfT category D]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: DfT category D
Context triple: [DfT category E, hasBroaderCategory, DfT category D]
  • A. DfT category E
    DfT category E is a classification used by the UK Department for Transport for small, typically unstaffed or lightly staffed local railway stations with relatively low passenger usage.
  • B. DfT category B
    DfT category B is a UK Department for Transport classification for major railway stations that handle high passenger volumes but are not the very busiest national hubs.
  • C. DfT category C2
    DfT category C2 is a UK Department for Transport classification denoting a medium-usage railway station with important regional significance and a moderate range of passenger facilities.
  • D. DfT category F2
    DfT category F2 is a UK Department for Transport classification for very small, lightly used railway stations with minimal facilities.
  • E. DfT category C1
    DfT category C1 is a UK Department for Transport classification denoting a busy medium-sized railway station with significant passenger usage and facilities.
  • 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: DfT category D
Triple: [DfT category E, hasBroaderCategory, DfT category D]
Generated description
DfT category D is a UK Department for Transport vehicle classification band used to group certain types of vehicles by shared regulatory or operational characteristics.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: DfT category D
Target entity description: DfT category D is a UK Department for Transport vehicle classification band used to group certain types of vehicles by shared regulatory or operational characteristics.
  • A. DfT category E
    DfT category E is a classification used by the UK Department for Transport for small, typically unstaffed or lightly staffed local railway stations with relatively low passenger usage.
  • B. DfT category B
    DfT category B is a UK Department for Transport classification for major railway stations that handle high passenger volumes but are not the very busiest national hubs.
  • C. DfT category C2
    DfT category C2 is a UK Department for Transport classification denoting a medium-usage railway station with important regional significance and a moderate range of passenger facilities.
  • D. DfT category F2
    DfT category F2 is a UK Department for Transport classification for very small, lightly used railway stations with minimal facilities.
  • E. DfT category C1
    DfT category C1 is a UK Department for Transport classification denoting a busy medium-sized railway station with significant passenger usage and facilities.
  • 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_69d85a0491ec8190830960be8fafb994 completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e0059e036c8190959ff3bde8f2356f completed April 15, 2026, 9:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69feb7f2e3408190ae095d16396e420d completed May 9, 2026, 4:28 a.m.
NEDg Description generation batch_69feb99b6a108190ba389703bc123e17 completed May 9, 2026, 4:35 a.m.
NED2 Entity disambiguation (via description) batch_69feba50cd3c81909c4c14c6a7510dd4 completed May 9, 2026, 4:38 a.m.
Created at: April 10, 2026, 3:06 a.m.