Triple

T11711542
Position Surface form Disambiguated ID Type / Status
Subject Baku–Tbilisi–Kars railway project E278383 entity
Predicate includesFacility P12416 FINISHED
Object Akhalkalaki gauge-changing facility
The Akhalkalaki gauge-changing facility is a rail infrastructure installation in Georgia that enables trains to switch between different track gauges on the Baku–Tbilisi–Kars corridor, facilitating seamless freight and passenger transport between the South Caucasus and Turkey.
 E941994 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: Akhalkalaki gauge-changing facility | Statement: [Baku–Tbilisi–Kars railway project, includesFacility, Akhalkalaki gauge-changing facility]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Akhalkalaki gauge-changing facility
Context triple: [Baku–Tbilisi–Kars railway project, includesFacility, Akhalkalaki gauge-changing facility]
  • A. Tbilisi funicular
    The Tbilisi funicular is a historic hillside railway in Georgia’s capital that carries passengers between the city and the Mtatsminda plateau, offering panoramic views over Tbilisi.
  • B. Tbilisi Aerial Tramway
    The Tbilisi Aerial Tramway is a cable car system in Georgia’s capital that carries passengers between the city center and the hilltop Narikala Fortress, offering panoramic views over Tbilisi.
  • C. Zugdidi railway station
    Zugdidi railway station is the main rail transport hub serving the city of Zugdidi in western Georgia, connecting it with other major cities and regions.
  • D. Tbilisi Metro
    Tbilisi Metro is the rapid transit system serving Georgia’s capital city, providing a primary backbone for urban public transportation.
  • E. Tbilisi Central railway station
    Tbilisi Central railway station is the primary passenger rail terminal in Georgia’s capital, serving as the country’s main hub for national and regional train services.
  • 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: Akhalkalaki gauge-changing facility
Triple: [Baku–Tbilisi–Kars railway project, includesFacility, Akhalkalaki gauge-changing facility]
Generated description
The Akhalkalaki gauge-changing facility is a rail infrastructure installation in Georgia that enables trains to switch between different track gauges on the Baku–Tbilisi–Kars corridor, facilitating seamless freight and passenger transport between the South Caucasus and Turkey.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Akhalkalaki gauge-changing facility
Target entity description: The Akhalkalaki gauge-changing facility is a rail infrastructure installation in Georgia that enables trains to switch between different track gauges on the Baku–Tbilisi–Kars corridor, facilitating seamless freight and passenger transport between the South Caucasus and Turkey.
  • A. Tbilisi funicular
    The Tbilisi funicular is a historic hillside railway in Georgia’s capital that carries passengers between the city and the Mtatsminda plateau, offering panoramic views over Tbilisi.
  • B. Tbilisi Aerial Tramway
    The Tbilisi Aerial Tramway is a cable car system in Georgia’s capital that carries passengers between the city center and the hilltop Narikala Fortress, offering panoramic views over Tbilisi.
  • C. Zugdidi railway station
    Zugdidi railway station is the main rail transport hub serving the city of Zugdidi in western Georgia, connecting it with other major cities and regions.
  • D. Tbilisi Metro
    Tbilisi Metro is the rapid transit system serving Georgia’s capital city, providing a primary backbone for urban public transportation.
  • E. Tbilisi Central railway station
    Tbilisi Central railway station is the primary passenger rail terminal in Georgia’s capital, serving as the country’s main hub for national and regional train services.
  • 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_69d6aaff2ce88190b4a1e4b341ad5377 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8a4be10088190854699385d1f6a95 completed April 10, 2026, 7:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69ef838562d08190b9a764e88c50d423 completed April 27, 2026, 3:40 p.m.
NEDg Description generation batch_69ef9b68309081909f3f614efeeb2ab1 completed April 27, 2026, 5:22 p.m.
NED2 Entity disambiguation (via description) batch_69efd6aba82c81909ff22e6b26db3cfe completed April 27, 2026, 9:35 p.m.
Created at: April 8, 2026, 9:40 p.m.