Triple

T22325703
Position Surface form Disambiguated ID Type / Status
Subject Perm II railway station E551895 entity
Predicate hasIataCode P2569 FINISHED
Object PEX
PEX is the IATA airport code assigned to Perm II railway station in Perm, Russia, for use in air–rail intermodal ticketing and travel systems.
 E1531219 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: PEX | Statement: [Perm II railway station, hasIataCode, PEX]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: PEX
Context triple: [Perm II railway station, hasIataCode, PEX]
  • A. CPVC
    CPVC (chlorinated polyvinyl chloride) is a thermoplastic material commonly used for hot and cold water piping systems due to its high temperature and corrosion resistance.
  • B. PPR
    PPR was a Dutch progressive political party known for its left-wing, green, and Christian-radical positions, active mainly in the 1970s and 1980s.
  • C. PPR
    PPR is an academic department at Lancaster University that integrates the study of politics, philosophy, and religion within a single interdisciplinary unit.
  • D. PPR
    PPR was the communist political party that led Poland in the final years of World War II and laid the foundations for the postwar socialist state.
  • E. PPR
    PPR was the former name of the French luxury group now known as Kering, which evolved from a retail and distribution conglomerate into a global luxury fashion powerhouse.
  • 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: PEX
Triple: [Perm II railway station, hasIataCode, PEX]
Generated description
PEX is the IATA airport code assigned to Perm II railway station in Perm, Russia, for use in air–rail intermodal ticketing and travel systems.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: PEX
Target entity description: PEX is the IATA airport code assigned to Perm II railway station in Perm, Russia, for use in air–rail intermodal ticketing and travel systems.
  • A. CPVC
    CPVC (chlorinated polyvinyl chloride) is a thermoplastic material commonly used for hot and cold water piping systems due to its high temperature and corrosion resistance.
  • B. PPR
    PPR was a Dutch progressive political party known for its left-wing, green, and Christian-radical positions, active mainly in the 1970s and 1980s.
  • C. PPR
    PPR is an academic department at Lancaster University that integrates the study of politics, philosophy, and religion within a single interdisciplinary unit.
  • D. PPR
    PPR was the communist political party that led Poland in the final years of World War II and laid the foundations for the postwar socialist state.
  • E. PPR
    PPR was the former name of the French luxury group now known as Kering, which evolved from a retail and distribution conglomerate into a global luxury fashion powerhouse.
  • 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_69e11e482f788190b78d1588fc26d606 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f15768696481909be124e86c23d551 completed April 29, 2026, 12:57 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0ad520b1c081908fd6de0de24e2d87 completed May 18, 2026, 9 a.m.
NEDg Description generation batch_6a0ad992b43c8190b0e409d64db83308 completed May 18, 2026, 9:19 a.m.
NED2 Entity disambiguation (via description) batch_6a0adac48bec8190989dd7c5e28d283a completed May 18, 2026, 9:24 a.m.
Created at: April 16, 2026, 8:42 p.m.