Triple

T731733
Position Surface form Disambiguated ID Type / Status
Subject Metro B Line E14844 entity
Predicate connectsWith P37 FINISHED
Object Metro D Line
The Metro D Line is a Los Angeles Metro Rail subway line running between Union Station and North Hollywood, serving key neighborhoods along the city's busy Wilshire corridor.
E14844 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: Metro D Line | Statement: [Metro B Line, connectsWith, Metro D Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metro D Line
Context triple: [Metro B Line, connectsWith, Metro D Line]
  • A. Metro E Line
    The Metro E Line is a light rail line in Los Angeles that runs between East Los Angeles and Santa Monica, providing a major east–west transit corridor across the city.
  • B. Metro J Line
    The Metro J Line is a bus rapid transit service in Los Angeles County that provides high-frequency, limited-stop connections along key north-south and east-west corridors.
  • C. Metro B Line
    The Metro B Line is a heavy rail subway line in Los Angeles that runs through central and Hollywood areas as part of the LA Metro Rail system.
  • D. Metro C Line
    The Metro C Line is a light rail line in Los Angeles County that runs east–west, connecting Norwalk to Redondo Beach and serving key transit hubs including Los Angeles International Airport via shuttle.
  • E. Metro A Line
    The Metro A Line is a light rail line in Los Angeles County that runs between downtown Los Angeles and Long Beach as part of the region’s Metro Rail system.
  • 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: Metro D Line
Triple: [Metro B Line, connectsWith, Metro D Line]
Generated description
The Metro D Line is a Los Angeles Metro Rail subway line running between Union Station and North Hollywood, serving key neighborhoods along the city's busy Wilshire corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Metro D Line
Target entity description: The Metro D Line is a Los Angeles Metro Rail subway line running between Union Station and North Hollywood, serving key neighborhoods along the city's busy Wilshire corridor.
  • A. Metro E Line
    The Metro E Line is a light rail line in Los Angeles that runs between East Los Angeles and Santa Monica, providing a major east–west transit corridor across the city.
  • B. Metro J Line
    The Metro J Line is a bus rapid transit service in Los Angeles County that provides high-frequency, limited-stop connections along key north-south and east-west corridors.
  • C. Metro B Line chosen
    The Metro B Line is a heavy rail subway line in Los Angeles that runs through central and Hollywood areas as part of the LA Metro Rail system.
  • D. Metro C Line
    The Metro C Line is a light rail line in Los Angeles County that runs east–west, connecting Norwalk to Redondo Beach and serving key transit hubs including Los Angeles International Airport via shuttle.
  • E. Metro A Line
    The Metro A Line is a light rail line in Los Angeles County that runs between downtown Los Angeles and Long Beach as part of the region’s Metro Rail system.
  • 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_69a4934d9930819099eed80096b0597d completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a5c40b6481909db9efd7310850b3 completed March 1, 2026, 8:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac598bddf88190afc565deec2357a1 completed March 7, 2026, 4:59 p.m.
NEDg Description generation batch_69ac5a8106f881908889e779b43931b9 completed March 7, 2026, 5:04 p.m.
NED2 Entity disambiguation (via description) batch_69ac5ae66abc81909f1d9a563e9e7248 completed March 7, 2026, 5:05 p.m.
Created at: March 1, 2026, 7:37 p.m.