Triple

T626556
Position Surface form Disambiguated ID Type / Status
Subject Red Line (CTA) E15830 entity
Predicate connectsWith P37 FINISHED
Object Purple Line (CTA)
The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
 E81356 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 (CTA) | Statement: [Red Line (CTA), connectsWith, Purple Line (CTA)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Purple Line (CTA)
Context triple: [Red Line (CTA), connectsWith, Purple Line (CTA)]
  • A. Orange Line
    The Orange Line is one of the primary rapid transit routes in the Washington Metro system, running east–west through Washington, D.C. and its Virginia and Maryland suburbs.
  • B. Orange Line
    The Orange Line is a rapid transit route in the Boston metropolitan area that runs north–south through downtown as part of the MBTA subway system.
  • C. Orange Line
    The Orange Line is a rapid transit route in Chicago that connects the city's Loop with Midway International Airport as part of the Chicago "L" system.
  • D. CTA Blue Line
    The CTA Blue Line is a major Chicago 'L' rapid transit route that runs between O'Hare International Airport, downtown Chicago, and the city's western neighborhoods and suburbs.
  • E. CTA Red Line
    The CTA Red Line is a major rapid transit route in Chicago that runs north–south through the city, including service through the downtown Loop.
  • 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 (CTA)
Triple: [Red Line (CTA), connectsWith, Purple Line (CTA)]
Generated description
The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Purple Line (CTA)
Target entity description: The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
  • A. Orange Line
    The Orange Line is one of the primary rapid transit routes in the Washington Metro system, running east–west through Washington, D.C. and its Virginia and Maryland suburbs.
  • B. Orange Line
    The Orange Line is a rapid transit route in the Boston metropolitan area that runs north–south through downtown as part of the MBTA subway system.
  • C. Orange Line
    The Orange Line is a rapid transit route in Chicago that connects the city's Loop with Midway International Airport as part of the Chicago "L" system.
  • D. CTA Blue Line
    The CTA Blue Line is a major Chicago 'L' rapid transit route that runs between O'Hare International Airport, downtown Chicago, and the city's western neighborhoods and suburbs.
  • E. CTA Red Line
    The CTA Red Line is a major rapid transit route in Chicago that runs north–south through the city, including service through the downtown Loop.
  • 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_69a4935c131c8190a5378c6bf101e8cc completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a49e587c448190987943a6aad209d1 completed March 1, 2026, 8:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69a580335a5c819096d0c105178c4ad7 completed March 2, 2026, 12:18 p.m.
NEDg Description generation batch_69a585a9a85481908b258f5cfc86a28d completed March 2, 2026, 12:42 p.m.
NED2 Entity disambiguation (via description) batch_69a586c9fe0881908582e60bb9755eba completed March 2, 2026, 12:47 p.m.
Created at: March 1, 2026, 7:35 p.m.