Triple

T13233487
Position Surface form Disambiguated ID Type / Status
Subject Los Angeles Railway E315079 entity
Predicate operatedLines P70721 FINISHED
Object C line
The C line was a former streetcar route in the Los Angeles Railway system that served local passengers in early 20th-century Los Angeles.
 E1029637 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: C line | Statement: [Los Angeles Railway, operatedLines, C line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: C line
Context triple: [Los Angeles Railway, operatedLines, C line]
  • A. C line
    The C line is a route within Copenhagen’s S-train suburban rail network, providing frequent commuter service between central Copenhagen and its outlying districts.
  • B. C Line
    The C Line is a local New York City Subway service that runs along the Eighth Avenue Line in Manhattan and through parts of Brooklyn and Queens.
  • C. C Line
    The C Line was a light rail service in Denver, Colorado, that operated as part of the Regional Transportation District’s rail network.
  • D. C Line
    The C Line is a light rail route in the Los Angeles Metro Rail system that runs primarily along the I-105 freeway corridor, connecting coastal and inland communities in the South Bay region.
  • E. Line C
    Line C is one of the routes of the Porto Metro light rail network in Porto, Portugal, serving suburban and urban areas along its corridor.
  • 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: C line
Triple: [Los Angeles Railway, operatedLines, C line]
Generated description
The C line was a former streetcar route in the Los Angeles Railway system that served local passengers in early 20th-century Los Angeles.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: C line
Target entity description: The C line was a former streetcar route in the Los Angeles Railway system that served local passengers in early 20th-century Los Angeles.
  • A. C line
    The C line is a route within Copenhagen’s S-train suburban rail network, providing frequent commuter service between central Copenhagen and its outlying districts.
  • B. C Line
    The C Line is a local New York City Subway service that runs along the Eighth Avenue Line in Manhattan and through parts of Brooklyn and Queens.
  • C. C Line
    The C Line was a light rail service in Denver, Colorado, that operated as part of the Regional Transportation District’s rail network.
  • D. C Line
    The C Line is a light rail route in the Los Angeles Metro Rail system that runs primarily along the I-105 freeway corridor, connecting coastal and inland communities in the South Bay region.
  • E. Line C
    Line C is one of the routes of the Porto Metro light rail network in Porto, Portugal, serving suburban and urban areas along its corridor.
  • 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_69f6ff2dca2c81909cab1aa868ad575d completed May 3, 2026, 7:54 a.m.
NEDg Description generation batch_69f70476310c8190b13dc948c1f1ce95 completed May 3, 2026, 8:16 a.m.
NED2 Entity disambiguation (via description) batch_69f70578047c819089fc3044eceb4eac completed May 3, 2026, 8:21 a.m.
Created at: April 9, 2026, 9:22 p.m.