Triple

T5172208
Position Surface form Disambiguated ID Type / Status
Subject Howard station E116709 entity
Predicate hasTransferBetween P34164 FINISHED
Object Purple Line and Yellow Line
The Purple Line and Yellow Line are two Chicago 'L' rapid transit routes that share tracks on the city's North Side and provide service connecting northern suburbs and neighborhoods to central Chicago.
E502471 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 and Yellow Line | Statement: [Howard station, hasTransferBetween, Purple Line and Yellow Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Purple Line and Yellow Line
Context triple: [Howard station, hasTransferBetween, Purple Line and Yellow Line]
  • A. Red Line and Yellow Line
    Red Line and Yellow Line are two intersecting Chicago 'L' rapid transit routes that connect at Howard station on the city's North Side.
  • B. Blue Line and Orange Line
    The Blue Line and Orange Line are two intersecting Washington Metro rapid transit routes serving Virginia and the District of Columbia, sharing key stations such as Rosslyn.
  • C. Red Line and Purple Line
    The Red Line and Purple Line are two Chicago 'L' rapid transit routes that share tracks along the North Side and provide commuter service between the city and northern suburbs.
  • D. Red Line and Green Line
    Red Line and Green Line are two key Boston MBTA subway lines that intersect at Park Street Station, serving as major routes through the city and surrounding areas.
  • E. Red Line–Orange Line
    Red Line–Orange Line is a transfer connection point in the Chicago 'L' rapid transit system where passengers can switch between the Red and Orange lines.
  • 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 and Yellow Line
Triple: [Howard station, hasTransferBetween, Purple Line and Yellow Line]
Generated description
The Purple Line and Yellow Line are two Chicago 'L' rapid transit routes that share tracks on the city's North Side and provide service connecting northern suburbs and neighborhoods to central Chicago.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Purple Line and Yellow Line
Target entity description: The Purple Line and Yellow Line are two Chicago 'L' rapid transit routes that share tracks on the city's North Side and provide service connecting northern suburbs and neighborhoods to central Chicago.
  • A. Red Line and Yellow Line
    Red Line and Yellow Line are two intersecting Chicago 'L' rapid transit routes that connect at Howard station on the city's North Side.
  • B. Blue Line and Orange Line
    The Blue Line and Orange Line are two intersecting Washington Metro rapid transit routes serving Virginia and the District of Columbia, sharing key stations such as Rosslyn.
  • C. Red Line and Purple Line chosen
    The Red Line and Purple Line are two Chicago 'L' rapid transit routes that share tracks along the North Side and provide commuter service between the city and northern suburbs.
  • D. Red Line and Green Line
    Red Line and Green Line are two key Boston MBTA subway lines that intersect at Park Street Station, serving as major routes through the city and surrounding areas.
  • E. Red Line–Orange Line
    Red Line–Orange Line is a transfer connection point in the Chicago 'L' rapid transit system where passengers can switch between the Red and Orange lines.
  • 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_69bd445ff97c81909a2615cc56235470 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd846dfb908190827fbee5a5ae55e2 completed March 20, 2026, 5:31 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf3a86d58481909752c09fb9fec74e completed March 22, 2026, 12:40 a.m.
NEDg Description generation batch_69bf3e398f40819081b6e1cf0b673316 completed March 22, 2026, 12:56 a.m.
NED2 Entity disambiguation (via description) batch_69bf3ec2e6c88190a7e965d06455dccd completed March 22, 2026, 12:58 a.m.
Created at: March 20, 2026, 1:45 p.m.