Triple

T647743
Position Surface form Disambiguated ID Type / Status
Subject Los Angeles Metro Rail E11277 entity
Predicate rebrandedLine P6643 FINISHED
Object Green Line as C Line
The Green Line, now known as the C Line, is a light rail route in the Los Angeles Metro Rail system that runs east–west through the South Bay region, connecting communities near LAX to Norwalk.
E81529 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: Green Line as C Line | Statement: [Los Angeles Metro Rail, rebrandedLine, Green Line as C Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Green Line as C Line
Context triple: [Los Angeles Metro Rail, rebrandedLine, Green Line as C Line]
  • A. Red Line as B Line and D Line
    The Red Line, now known as the B Line and D Line, is a major rapid transit subway corridor in the Los Angeles Metro Rail system serving key destinations across the city.
  • B. Green Line
    The Green Line is one of the color-coded rapid transit routes in the Washington Metro system, serving key neighborhoods in Washington, D.C. and parts of Maryland.
  • C. Green Line
    The Green Line is one of Chicago's elevated rapid transit routes, running primarily along the city's West and South Sides as part of the Chicago "L" system.
  • D. Green Line
    The Green Line is a light rail service in the Boston metropolitan area operated by the Massachusetts Bay Transportation Authority (MBTA), known for serving key downtown and surrounding neighborhoods.
  • E. MAX Green Line
    MAX Green Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with Clackamas Town Center as part of TriMet’s MAX Light 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: Green Line as C Line
Triple: [Los Angeles Metro Rail, rebrandedLine, Green Line as C Line]
Generated description
The Green Line, now known as the C Line, is a light rail route in the Los Angeles Metro Rail system that runs east–west through the South Bay region, connecting communities near LAX to Norwalk.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Green Line as C Line
Target entity description: The Green Line, now known as the C Line, is a light rail route in the Los Angeles Metro Rail system that runs east–west through the South Bay region, connecting communities near LAX to Norwalk.
  • A. Red Line as B Line and D Line
    The Red Line, now known as the B Line and D Line, is a major rapid transit subway corridor in the Los Angeles Metro Rail system serving key destinations across the city.
  • B. Green Line
    The Green Line is one of the color-coded rapid transit routes in the Washington Metro system, serving key neighborhoods in Washington, D.C. and parts of Maryland.
  • C. Green Line
    The Green Line is one of Chicago's elevated rapid transit routes, running primarily along the city's West and South Sides as part of the Chicago "L" system.
  • D. Green Line
    The Green Line is a light rail service in the Boston metropolitan area operated by the Massachusetts Bay Transportation Authority (MBTA), known for serving key downtown and surrounding neighborhoods.
  • E. MAX Green Line
    MAX Green Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with Clackamas Town Center as part of TriMet’s MAX Light Rail system.
  • 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_69a493266a2881909daf4c40f719dee8 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4a517ac148190aa032b77885bf709 completed March 1, 2026, 8:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69a58a716de88190854e13fb5143b9b3 completed March 2, 2026, 1:02 p.m.
NEDg Description generation batch_69a58f0211cc81908da2813dd0c01be7 completed March 2, 2026, 1:22 p.m.
NED2 Entity disambiguation (via description) batch_69a58f58dfa88190a29ba56270267d05 completed March 2, 2026, 1:23 p.m.
Created at: March 1, 2026, 7:36 p.m.