Triple

T9876531
Position Surface form Disambiguated ID Type / Status
Subject Brno–Tuřany Airport E240085 entity
Predicate ICAOcode P419 FINISHED
Object LKTB
LKTB is the ICAO airport code for Brno–Tuřany Airport, an international airport serving the city of Brno in the Czech Republic.
 E826511 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: LKTB | Statement: [Brno–Tuřany Airport, ICAOcode, LKTB]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: LKTB
Context triple: [Brno–Tuřany Airport, ICAOcode, LKTB]
  • A. LK
    LK is the two-letter ISO 3166-1 alpha-2 country code assigned to Sri Lanka for international standardization and identification purposes.
  • B. LTBU
    LTBU is the ICAO airport code for Tekirdağ Çorlu Airport in Çorlu, Turkey.
  • C. LT
    LT is a mid-level trim designation commonly used by Chevrolet to denote a better-equipped, more comfort- and feature-focused version of its vehicles.
  • D. LTBT
    LTBT is an alternative name for PTBT, which most likely refers to the Partial Test Ban Treaty, a landmark 1963 international agreement that prohibited nuclear weapon tests in the atmosphere, outer space, and underwater.
  • E. LB
    LB is the former New York Stock Exchange ticker symbol for L Brands, the American retail company that owned brands such as Victoria’s Secret and Bath & Body Works.
  • 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: LKTB
Triple: [Brno–Tuřany Airport, ICAOcode, LKTB]
Generated description
LKTB is the ICAO airport code for Brno–Tuřany Airport, an international airport serving the city of Brno in the Czech Republic.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: LKTB
Target entity description: LKTB is the ICAO airport code for Brno–Tuřany Airport, an international airport serving the city of Brno in the Czech Republic.
  • A. LK
    LK is the two-letter ISO 3166-1 alpha-2 country code assigned to Sri Lanka for international standardization and identification purposes.
  • B. LTBU
    LTBU is the ICAO airport code for Tekirdağ Çorlu Airport in Çorlu, Turkey.
  • C. LT
    LT is a mid-level trim designation commonly used by Chevrolet to denote a better-equipped, more comfort- and feature-focused version of its vehicles.
  • D. LTBT
    LTBT is an alternative name for PTBT, which most likely refers to the Partial Test Ban Treaty, a landmark 1963 international agreement that prohibited nuclear weapon tests in the atmosphere, outer space, and underwater.
  • E. LB
    LB is the former New York Stock Exchange ticker symbol for L Brands, the American retail company that owned brands such as Victoria’s Secret and Bath & Body Works.
  • 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_69ca84e8a0788190b9061811d50fd554 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cdb3fb58d481908407898912c4b4e9 completed April 2, 2026, 12:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69d1e47b62388190a033743376500375 completed April 5, 2026, 4:26 a.m.
NEDg Description generation batch_69d1e5d0da7081908e14fe4bc6623ea5 completed April 5, 2026, 4:32 a.m.
NED2 Entity disambiguation (via description) batch_69d1e6af89f88190abe63f8172182f58 completed April 5, 2026, 4:35 a.m.
Created at: March 30, 2026, 8:37 p.m.