Triple

T15864960
Position Surface form Disambiguated ID Type / Status
Subject Davis E384687 entity
Predicate servedByLine P1293 FINISHED
Object Purple Line
The Purple Line is a rapid transit route in the Chicago "L" system that primarily serves the city's northern suburbs and connects them to the broader metropolitan rail network.
E18256 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: [Davis, servedByLine, Purple Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Purple Line
Context triple: [Davis, servedByLine, 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 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.
  • E. Purple Line
    The Purple Line is a rapid transit line that forms part of the Baku Metro system in Baku, Azerbaijan.
  • 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: [Davis, servedByLine, Purple Line]
Generated description
The Purple Line is a rapid transit route in the Chicago "L" system that primarily serves the city's northern suburbs and connects them to the broader metropolitan rail network.
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 route in the Chicago "L" system that primarily serves the city's northern suburbs and connects them to the broader metropolitan rail network.
  • A. Purple Line chosen
    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 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.
  • E. 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.
  • F. None of above.

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_69d86da4e86481909f1325fdc971b5ec completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e1555e4ee48190a3b27b4ab9bdb1c8 completed April 16, 2026, 9:32 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffeb7f3c9481908bdde67998263c5e completed May 10, 2026, 2:20 a.m.
NEDg Description generation batch_69ffecb8c71481908b4913bb078b6415 completed May 10, 2026, 2:26 a.m.
NED2 Entity disambiguation (via description) batch_69ffed469a5c8190932fa4ebc44358c4 completed May 10, 2026, 2:28 a.m.
Created at: April 10, 2026, 4:50 a.m.