Triple

T20538972
Position Surface form Disambiguated ID Type / Status
Subject West End station (MARTA) E504274 entity
Predicate servesLine P839 FINISHED
Object Red Line
The Red Line is one of the primary rapid transit routes in the Metropolitan Atlanta Rapid Transit Authority (MARTA) rail system, running north–south through key areas of the Atlanta metropolitan region.
E115430 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: Red Line | Statement: [West End station (MARTA), servesLine, Red Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Red Line
Context triple: [West End station (MARTA), servesLine, Red Line]
  • A. Red Line
    The Red Line is a regional express bus route operated under the SolanoExpress system, providing intercity transit service in Solano County and surrounding areas.
  • B. Red Line
    The Red Line is a light rail route in the Salt Lake City TRAX system that connects key destinations across the Salt Lake Valley.
  • C. Red Line
    The Red Line is one of the primary light rail transit routes in Calgary’s CTrain system, running on a north–south axis through key areas of the city.
  • D. Red Line
    The Red Line is one of the main aerial cable car routes in La Paz’s Mi Teleférico urban transit system, known for connecting key high-altitude areas of the city.
  • E. Red Line
    The Red Line is a major rapid transit route of the Taipei Metro system, serving key districts from the city center to suburban areas including Xiangshan.
  • 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: Red Line
Triple: [West End station (MARTA), servesLine, Red Line]
Generated description
The Red Line is one of the primary rapid transit routes in the Metropolitan Atlanta Rapid Transit Authority (MARTA) rail system, running north–south through key areas of the Atlanta metropolitan region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Red Line
Target entity description: The Red Line is one of the primary rapid transit routes in the Metropolitan Atlanta Rapid Transit Authority (MARTA) rail system, running north–south through key areas of the Atlanta metropolitan region.
  • A. Red Line chosen
    The Red Line is one of the primary heavy-rail rapid transit routes in Atlanta’s MARTA system, running north–south and serving key destinations across the metropolitan area.
  • B. Red Line
    The Red Line is a major rapid transit route in the Boston metropolitan area, operated by the MBTA and running primarily north–south through key neighborhoods and suburbs.
  • C. Red Line
    Red Line is a major rapid transit route in the Washington Metro system, running through key areas of Washington, D.C., and its Maryland suburbs.
  • D. Red Line
    The Red Line is a major rapid transit route in Chicago that runs north–south through the city, serving as one of the busiest lines in its subway and elevated rail system.
  • E. Red Line
    The Red Line is a major light rail route in the Dallas Area Rapid Transit (DART) system serving key corridors across the Dallas–Fort Worth metro area.
  • 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_69e0b4b476648190bc6019622ae54d3c completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6a290bd8c819091988f511fb5820b completed April 20, 2026, 10:02 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08b3dbec1081908614aec1b14b5b45 completed May 16, 2026, 6:13 p.m.
NEDg Description generation batch_6a08b4654cd48190bbde86df2877d058 completed May 16, 2026, 6:16 p.m.
NED2 Entity disambiguation (via description) batch_6a08b4cb2fc081909ef18cb0408ac76d completed May 16, 2026, 6:17 p.m.
Created at: April 16, 2026, 11:37 a.m.