Triple

T21414761
Position Surface form Disambiguated ID Type / Status
Subject Prestonpans railway station E528270 entity
Predicate stationCode P1289 FINISHED
Object PST
PST is the National Rail station code for Prestonpans railway station in East Lothian, Scotland.
 E1483592 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: PST | Statement: [Prestonpans railway station, stationCode, PST]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: PST
Context triple: [Prestonpans railway station, stationCode, PST]
  • A. PST
    PST is the standard time observed in the Pacific Time Zone of North America, typically eight hours behind Coordinated Universal Time (UTC−8).
  • B. PST
    PST is the commonly used abbreviation for the Pompey Supporters Trust, a fan-led organization associated with Portsmouth Football Club.
  • C. PST
    PST is the Norwegian Police Security Service, Norway’s domestic intelligence and security agency responsible for counterterrorism, counterintelligence, and protecting national security.
  • D. PSTG
    PSTG is the stock ticker symbol for Pure Storage, a data storage technology company known for its all-flash storage solutions.
  • E. PSTC
    PSTC is the commonly used abbreviation for the Peace Support Training Centre, a military institution focused on preparing personnel for peace support and related operations.
  • 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: PST
Triple: [Prestonpans railway station, stationCode, PST]
Generated description
PST is the National Rail station code for Prestonpans railway station in East Lothian, Scotland.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: PST
Target entity description: PST is the National Rail station code for Prestonpans railway station in East Lothian, Scotland.
  • A. PST
    PST is the standard time observed in the Pacific Time Zone of North America, typically eight hours behind Coordinated Universal Time (UTC−8).
  • B. PST
    PST is the Norwegian Police Security Service, Norway’s domestic intelligence and security agency responsible for counterterrorism, counterintelligence, and protecting national security.
  • C. PST
    PST is the commonly used abbreviation for the Pompey Supporters Trust, a fan-led organization associated with Portsmouth Football Club.
  • D. PSTG
    PSTG is the stock ticker symbol for Pure Storage, a data storage technology company known for its all-flash storage solutions.
  • E. PSTC
    PSTC is the commonly used abbreviation for the Peace Support Training Centre, a military institution focused on preparing personnel for peace support and related operations.
  • 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_69e0c454c248819093425d1099101c09 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69e8b2032fe48190907b282e2fffa2bd completed April 22, 2026, 11:33 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09c29e95908190b294c9bf0790502e completed May 17, 2026, 1:29 p.m.
NEDg Description generation batch_6a09c37f44208190bfccdb4fdba2a00c completed May 17, 2026, 1:32 p.m.
NED2 Entity disambiguation (via description) batch_6a09c442817c819097b8dfadf292e56d completed May 17, 2026, 1:36 p.m.
Created at: April 16, 2026, 5:45 p.m.