Triple

T20790867
Position Surface form Disambiguated ID Type / Status
Subject Civic Center station (MARTA) E511771 entity
Predicate lineThrough P48147 FINISHED
Object North–South trunk line
The North–South trunk line is a primary rapid transit corridor in the Metropolitan Atlanta Rapid Transit Authority (MARTA) rail system, running along a north–south axis through central Atlanta.
E1451087 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: North–South trunk line | Statement: [Civic Center station (MARTA), lineThrough, North–South trunk line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: North–South trunk line
Context triple: [Civic Center station (MARTA), lineThrough, North–South trunk line]
  • A. Main South Line
    The Main South Line is a major railway line in New Zealand’s South Island that runs south from Christchurch through key regional centers, historically serving as an important freight and passenger route.
  • B. North–South Railway
    The North–South Railway is Vietnam’s principal rail line, running the length of the country and connecting major cities from Hanoi to Ho Chi Minh City.
  • C. Northwest–East Line
    The Northwest–East Line is the primary rapid transit route of Baltimore's Metro SubwayLink system, running across the city from the northwest suburbs toward the eastern side.
  • D. Linha do Oeste
    Linha do Oeste is a major Portuguese railway line running along the country’s western coast, connecting Lisbon’s outskirts with several central-western cities and towns.
  • E. Main North Line
    The Main North Line is a major railway route in New Zealand that runs along the South Island’s east coast, linking Christchurch with Picton and serving both freight and passenger 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: North–South trunk line
Triple: [Civic Center station (MARTA), lineThrough, North–South trunk line]
Generated description
The North–South trunk line is a primary rapid transit corridor in the Metropolitan Atlanta Rapid Transit Authority (MARTA) rail system, running along a north–south axis through central Atlanta.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: North–South trunk line
Target entity description: The North–South trunk line is a primary rapid transit corridor in the Metropolitan Atlanta Rapid Transit Authority (MARTA) rail system, running along a north–south axis through central Atlanta.
  • A. Main South Line
    The Main South Line is a major railway line in New Zealand’s South Island that runs south from Christchurch through key regional centers, historically serving as an important freight and passenger route.
  • B. North–South Railway
    The North–South Railway is Vietnam’s principal rail line, running the length of the country and connecting major cities from Hanoi to Ho Chi Minh City.
  • C. Northwest–East Line
    The Northwest–East Line is the primary rapid transit route of Baltimore's Metro SubwayLink system, running across the city from the northwest suburbs toward the eastern side.
  • D. Linha do Oeste
    Linha do Oeste is a major Portuguese railway line running along the country’s western coast, connecting Lisbon’s outskirts with several central-western cities and towns.
  • E. Main North Line
    The Main North Line is a major railway route in New Zealand that runs along the South Island’s east coast, linking Christchurch with Picton and serving both freight and passenger 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_69e0b4cb83948190bd57bec21d78ed53 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c29010508190bf2cf577d7f64754 completed April 21, 2026, 12:19 a.m.
NED1 Entity disambiguation (via context triple) batch_6a08f8bc76508190b65a105fcd4decd1 completed May 16, 2026, 11:07 p.m.
NEDg Description generation batch_6a08f9c9314c81909052d1a2e93d740a completed May 16, 2026, 11:12 p.m.
NED2 Entity disambiguation (via description) batch_6a08fa7040d88190b592d4f46249c2c1 completed May 16, 2026, 11:14 p.m.
Created at: April 16, 2026, 12:38 p.m.