Triple

T13233474
Position Surface form Disambiguated ID Type / Status
Subject Los Angeles Railway E315079 entity
Predicate successor P78 FINISHED
Object Los Angeles Transit Lines
Los Angeles Transit Lines was a mid-20th-century public transit operator in Los Angeles that ran streetcar and bus services following the decline of the Los Angeles Railway system.
E1029990 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: Los Angeles Transit Lines | Statement: [Los Angeles Railway, successor, Los Angeles Transit Lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Los Angeles Transit Lines
Context triple: [Los Angeles Railway, successor, Los Angeles Transit Lines]
  • A. Los Angeles Metro bus lines
    Los Angeles Metro bus lines are a network of public bus routes serving neighborhoods throughout Los Angeles County, providing frequent, citywide transit connections.
  • B. Los Angeles Metro Rail
    Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
  • C. Long Beach Transit
    Long Beach Transit is a public transportation agency serving the city of Long Beach and surrounding communities in Southern California with bus and related transit services.
  • D. Pasadena Transit
    Pasadena Transit is a local public bus service operating in and around Pasadena, California, providing fixed-route transportation within the city and connections to regional transit systems.
  • E. Metro Busway (Los Angeles)
    Metro Busway (Los Angeles) is a bus rapid transit system in Los Angeles County that operates on dedicated busways and high-occupancy vehicle lanes as part of the region’s Metro transit network.
  • 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: Los Angeles Transit Lines
Triple: [Los Angeles Railway, successor, Los Angeles Transit Lines]
Generated description
Los Angeles Transit Lines was a mid-20th-century public transit operator in Los Angeles that ran streetcar and bus services following the decline of the Los Angeles Railway system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Los Angeles Transit Lines
Target entity description: Los Angeles Transit Lines was a mid-20th-century public transit operator in Los Angeles that ran streetcar and bus services following the decline of the Los Angeles Railway system.
  • A. Los Angeles Metro bus lines
    Los Angeles Metro bus lines are a network of public bus routes serving neighborhoods throughout Los Angeles County, providing frequent, citywide transit connections.
  • B. Los Angeles Metro Rail
    Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
  • C. Long Beach Transit
    Long Beach Transit is a public transportation agency serving the city of Long Beach and surrounding communities in Southern California with bus and related transit services.
  • D. Pasadena Transit
    Pasadena Transit is a local public bus service operating in and around Pasadena, California, providing fixed-route transportation within the city and connections to regional transit systems.
  • E. Metro Busway (Los Angeles)
    Metro Busway (Los Angeles) is a bus rapid transit system in Los Angeles County that operates on dedicated busways and high-occupancy vehicle lanes as part of the region’s Metro transit network.
  • 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_69d806affc688190a25b6ccc588e9c72 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d98d34ff288190bdb550a019b7a470 completed April 10, 2026, 11:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69f70a35ccc88190881a7066b7af8fea completed May 3, 2026, 8:41 a.m.
NEDg Description generation batch_69f70c000da081909297f3d24666b6a5 completed May 3, 2026, 8:49 a.m.
NED2 Entity disambiguation (via description) batch_69f70ce60a7081908f9498fcfec98e90 completed May 3, 2026, 8:52 a.m.
Created at: April 9, 2026, 9:22 p.m.