Triple

T15777623
Position Surface form Disambiguated ID Type / Status
Subject Baku Metro E382528 entity
Predicate hasLine P35 FINISHED
Object Purple Line
The Purple Line is a rapid transit line that forms part of the Baku Metro system in Baku, Azerbaijan.
 E1182489 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: Purple Line | Statement: [Baku Metro, hasLine, Purple Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Purple Line
Context triple: [Baku Metro, hasLine, Purple Line]
  • A. Purple Line
    The Purple Line is a major rapid transit corridor of Bengaluru’s Namma Metro system, connecting key residential and commercial areas across the city.
  • B. Purple Line
    The Purple Line is a light rail route in Houston, Texas, that serves as part of the METRORail system, connecting downtown with southeastern neighborhoods and key destinations.
  • C. Purple Line
    The Purple Line is one of the urban cable car routes in La Paz–El Alto’s Mi Teleférico network, known for its distinctive purple branding and role in the city’s aerial public transit system.
  • D. Purple Line
    The Purple Line is a rapid transit route in Chicago's 'L' system that primarily serves the city's northern suburbs and connects them to the North Side of Chicago.
  • E. Purple Line
    The Purple Line was the former name of the Los Angeles Metro Rail D Line, a heavy-rail subway route serving key destinations in central and west Los Angeles.
  • 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: Purple Line
Triple: [Baku Metro, hasLine, Purple Line]
Generated description
The Purple Line is a rapid transit line that forms part of the Baku Metro system in Baku, Azerbaijan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Purple Line
Target entity description: The Purple Line is a rapid transit line that forms part of the Baku Metro system in Baku, Azerbaijan.
  • A. Purple Line
    The Purple Line is a rapid transit route in Chicago's 'L' system that primarily serves the city's northern suburbs and connects them to the North Side of Chicago.
  • B. Purple Line
    The Purple Line is a major rapid transit corridor of Bengaluru’s Namma Metro system, connecting key residential and commercial areas across the city.
  • C. Purple Line
    The Purple Line is a light rail route in Houston, Texas, that serves as part of the METRORail system, connecting downtown with southeastern neighborhoods and key destinations.
  • D. Purple Line
    The Purple Line is one of the urban cable car routes in La Paz–El Alto’s Mi Teleférico network, known for its distinctive purple branding and role in the city’s aerial public transit system.
  • E. Purple Line
    The Purple Line was the former name of the Los Angeles Metro Rail D Line, a heavy-rail subway route serving key destinations in central and west Los Angeles.
  • 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_69d86da09a10819082fe9797b23e4664 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e05199cd8881909462462cec34d35a completed April 16, 2026, 3:03 a.m.
NED1 Entity disambiguation (via context triple) batch_69ffb036ee7c8190a8b8da79589ebec0 completed May 9, 2026, 10:07 p.m.
NEDg Description generation batch_69ffb10004448190aa176a04249b9429 completed May 9, 2026, 10:11 p.m.
NED2 Entity disambiguation (via description) batch_69ffb177d4808190989c3ce8397128b4 completed May 9, 2026, 10:13 p.m.
Created at: April 10, 2026, 4:47 a.m.