Triple

T13971156
Position Surface form Disambiguated ID Type / Status
Subject Prestatyn railway station E336065 entity
Predicate hasStationCode P1289 FINISHED
Object PRT
PRT is the National Rail station code for Prestatyn railway station in Denbighshire, Wales.
 E1071141 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: PRT | Statement: [Prestatyn railway station, hasStationCode, PRT]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: PRT
Context triple: [Prestatyn railway station, hasStationCode, PRT]
  • A. PRT
    PRT is the three-letter ISO 3166-1 alpha-3 country code assigned to Portugal.
  • B. PRT
    PRT is the primary public transportation agency serving the Pittsburgh, Pennsylvania metropolitan area, operating buses, light rail, and other transit services.
  • C. PRTC
    PRTC is a public transit agency serving Northern Virginia with commuter and local bus services.
  • D. PRTC
    PRTC stands for Primary Reference Time Clock, a highly accurate timing source used in telecommunications networks to provide traceable time and phase synchronization.
  • E. PRTC
    PRTC was a leftist Salvadoran guerrilla organization that became one of the constituent groups of the Farabundo Martí National Liberation Front (FMLN) during El Salvador’s civil war.
  • 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: PRT
Triple: [Prestatyn railway station, hasStationCode, PRT]
Generated description
PRT is the National Rail station code for Prestatyn railway station in Denbighshire, Wales.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: PRT
Target entity description: PRT is the National Rail station code for Prestatyn railway station in Denbighshire, Wales.
  • A. PRT
    PRT is the three-letter ISO 3166-1 alpha-3 country code assigned to Portugal.
  • B. PRT
    PRT is the primary public transportation agency serving the Pittsburgh, Pennsylvania metropolitan area, operating buses, light rail, and other transit services.
  • C. PRTC
    PRTC is a public transit agency serving Northern Virginia with commuter and local bus services.
  • D. PRTC
    PRTC stands for Primary Reference Time Clock, a highly accurate timing source used in telecommunications networks to provide traceable time and phase synchronization.
  • E. PRTC
    PRTC was a leftist Salvadoran guerrilla organization that became one of the constituent groups of the Farabundo Martí National Liberation Front (FMLN) during El Salvador’s civil war.
  • 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_69d81c61f3508190aaf2ca0dc0002c59 completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de2e8eae40819080dd4bd25c73b6d6 completed April 14, 2026, 12:09 p.m.
NED1 Entity disambiguation (via context triple) batch_69fba1dc838c8190bbcfefd69ea29965 completed May 6, 2026, 8:17 p.m.
NEDg Description generation batch_69fba2b8e32081909cd32ed0bd255072 completed May 6, 2026, 8:21 p.m.
NED2 Entity disambiguation (via description) batch_69fba322460c81909aa36b661f39efcd completed May 6, 2026, 8:22 p.m.
Created at: April 9, 2026, 10:18 p.m.