Triple

T5119705
Position Surface form Disambiguated ID Type / Status
Subject Red Line (MARTA) E115430 entity
Predicate sharesTrackageWith P5071 FINISHED
Object Blue Line (MARTA)
The Blue Line (MARTA) is one of the primary heavy-rail rapid transit routes in the Metropolitan Atlanta Rapid Transit Authority system, running east–west across the Atlanta metropolitan area.
 E497577 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: Blue Line (MARTA) | Statement: [Red Line (MARTA), sharesTrackageWith, Blue Line (MARTA)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Blue Line (MARTA)
Context triple: [Red Line (MARTA), sharesTrackageWith, Blue Line (MARTA)]
  • A. Gold Line (MARTA)
    The Gold Line (MARTA) is one of Atlanta’s primary rapid transit rail lines, running north–south through key destinations including downtown and Hartsfield–Jackson Atlanta International Airport.
  • B. MARTA Red Line
    The MARTA Red Line is a major rapid transit route in Atlanta’s Metropolitan Atlanta Rapid Transit Authority system, running north–south and serving key neighborhoods and business districts.
  • C. MARTA Streetcar
    MARTA Streetcar is a modern streetcar transit service operating in Atlanta, Georgia, providing local rail connections through key downtown and nearby neighborhoods.
  • D. North Avenue MARTA station
    North Avenue MARTA station is a rapid transit station on Atlanta’s Red and Gold lines, located in Midtown and serving as a key stop for commuters, students, and visitors in the city’s urban core.
  • E. Metropolitan Atlanta Rapid Transit Authority (MARTA)
    The Metropolitan Atlanta Rapid Transit Authority (MARTA) is the primary public transportation agency serving the Atlanta metropolitan area, operating a network of heavy rail, bus, and paratransit services.
  • 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: Blue Line (MARTA)
Triple: [Red Line (MARTA), sharesTrackageWith, Blue Line (MARTA)]
Generated description
The Blue Line (MARTA) is one of the primary heavy-rail rapid transit routes in the Metropolitan Atlanta Rapid Transit Authority system, running east–west across the Atlanta metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Blue Line (MARTA)
Target entity description: The Blue Line (MARTA) is one of the primary heavy-rail rapid transit routes in the Metropolitan Atlanta Rapid Transit Authority system, running east–west across the Atlanta metropolitan area.
  • A. Gold Line (MARTA)
    The Gold Line (MARTA) is one of Atlanta’s primary rapid transit rail lines, running north–south through key destinations including downtown and Hartsfield–Jackson Atlanta International Airport.
  • B. MARTA Red Line
    The MARTA Red Line is a major rapid transit route in Atlanta’s Metropolitan Atlanta Rapid Transit Authority system, running north–south and serving key neighborhoods and business districts.
  • C. MARTA Streetcar
    MARTA Streetcar is a modern streetcar transit service operating in Atlanta, Georgia, providing local rail connections through key downtown and nearby neighborhoods.
  • D. North Avenue MARTA station
    North Avenue MARTA station is a rapid transit station on Atlanta’s Red and Gold lines, located in Midtown and serving as a key stop for commuters, students, and visitors in the city’s urban core.
  • E. Metropolitan Atlanta Rapid Transit Authority (MARTA)
    The Metropolitan Atlanta Rapid Transit Authority (MARTA) is the primary public transportation agency serving the Atlanta metropolitan area, operating a network of heavy rail, bus, and paratransit services.
  • 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_69bd4442ade0819087b9461f892b206b completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd77cf6590819081488b739efae32c completed March 20, 2026, 4:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69becfcf12448190a196e9397958fbba completed March 21, 2026, 5:05 p.m.
NEDg Description generation batch_69bed1d770a88190a3ff820ba878c8a2 completed March 21, 2026, 5:13 p.m.
NED2 Entity disambiguation (via description) batch_69bed2303df881908260b27d430f16fc completed March 21, 2026, 5:15 p.m.
Created at: March 20, 2026, 1:42 p.m.