Triple

T16015327
Position Surface form Disambiguated ID Type / Status
Subject Katoomba railway station E388449 entity
Predicate hasStationCode P1289 FINISHED
Object KAT
KAT is the station code for Katoomba railway station, a key stop on the Blue Mountains Line in New South Wales, Australia.
 E1190234 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: KAT | Statement: [Katoomba railway station, hasStationCode, KAT]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: KAT
Context triple: [Katoomba railway station, hasStationCode, KAT]
  • A. KAT
    KAT is the station code used to identify Katipunan station in the Manila Metro Rail Transit system.
  • B. KAT
    KAT is the public transportation system serving Knoxville, Tennessee, operating local bus and transit services throughout the city and surrounding areas.
  • C. KATS
    KATS is the electronic trading platform used by the Pakistan Stock Exchange to facilitate and manage securities trading.
  • D. Kats
    Kats is a small village on the Dutch island of Noord-Beveland in the province of Zeeland, known for its rural character and proximity to the Oosterschelde.
  • E. Kath
    Kath is an ancient city in the Khwarazm region of Central Asia, historically significant as a cultural and scholarly center of the Islamic Golden Age.
  • 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: KAT
Triple: [Katoomba railway station, hasStationCode, KAT]
Generated description
KAT is the station code for Katoomba railway station, a key stop on the Blue Mountains Line in New South Wales, Australia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: KAT
Target entity description: KAT is the station code for Katoomba railway station, a key stop on the Blue Mountains Line in New South Wales, Australia.
  • A. KAT
    KAT is the public transportation system serving Knoxville, Tennessee, operating local bus and transit services throughout the city and surrounding areas.
  • B. KAT
    KAT is the station code used to identify Katipunan station in the Manila Metro Rail Transit system.
  • C. KATS
    KATS is the electronic trading platform used by the Pakistan Stock Exchange to facilitate and manage securities trading.
  • D. Kats
    Kats is a small village on the Dutch island of Noord-Beveland in the province of Zeeland, known for its rural character and proximity to the Oosterschelde.
  • E. Kath
    Kath is an ancient city in the Khwarazm region of Central Asia, historically significant as a cultural and scholarly center of the Islamic Golden Age.
  • 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_69d86dabcb7c8190b6a39d6831d2fa1b completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e18293ec1081909248e366967850c0 completed April 17, 2026, 12:45 a.m.
NED1 Entity disambiguation (via context triple) batch_69ffcf284fa481909b571d1bf107fca4 completed May 10, 2026, 12:19 a.m.
NEDg Description generation batch_69ffcfb02b208190b961b525a29b02a5 completed May 10, 2026, 12:22 a.m.
NED2 Entity disambiguation (via description) batch_69ffd8e7b94c819093bc23288900df33 completed May 10, 2026, 1:01 a.m.
Created at: April 10, 2026, 4:55 a.m.