Triple

T1797552
Position Surface form Disambiguated ID Type / Status
Subject Metrolink (Southern California) E39638 entity
Predicate hasLine P35 FINISHED
Object Riverside Line
The Riverside Line is a Metrolink commuter rail route in Southern California that connects Los Angeles with cities in the Inland Empire, including Riverside.
E209428 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: Riverside Line | Statement: [Metrolink (Southern California), hasLine, Riverside Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Riverside Line
Context triple: [Metrolink (Southern California), hasLine, Riverside Line]
  • A. South London Line
    The South London Line is a suburban railway route in south London that connects several inner-city districts and provides key commuter services across the area.
  • B. Hope Valley Line
    The Hope Valley Line is a scenic railway route in northern England that runs through the Peak District, connecting Manchester and Sheffield via rural stations such as Edale.
  • C. S1 Line
    The S1 Line is a medium-capacity maglev rapid transit line in the Beijing Subway system serving the western suburbs of the city.
  • D. Sunbury line
    The Sunbury line is a suburban railway line in Melbourne, Australia, running between Sunbury in the northwest and the central business district.
  • E. Avon Valley Line
    The Avon Valley Line is a railway route in southwest England that follows the River Avon, connecting key towns and cities in the region.
  • 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: Riverside Line
Triple: [Metrolink (Southern California), hasLine, Riverside Line]
Generated description
The Riverside Line is a Metrolink commuter rail route in Southern California that connects Los Angeles with cities in the Inland Empire, including Riverside.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Riverside Line
Target entity description: The Riverside Line is a Metrolink commuter rail route in Southern California that connects Los Angeles with cities in the Inland Empire, including Riverside.
  • A. South London Line
    The South London Line is a suburban railway route in south London that connects several inner-city districts and provides key commuter services across the area.
  • B. Hope Valley Line
    The Hope Valley Line is a scenic railway route in northern England that runs through the Peak District, connecting Manchester and Sheffield via rural stations such as Edale.
  • C. S1 Line
    The S1 Line is a medium-capacity maglev rapid transit line in the Beijing Subway system serving the western suburbs of the city.
  • D. Sunbury line
    The Sunbury line is a suburban railway line in Melbourne, Australia, running between Sunbury in the northwest and the central business district.
  • E. Avon Valley Line
    The Avon Valley Line is a railway route in southwest England that follows the River Avon, connecting key towns and cities in the region.
  • 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_69a88632aa588190ba3978fde0db5bbd completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69aa6566cd808190a67f33ad47d8ca8e completed March 6, 2026, 5:25 a.m.
NED1 Entity disambiguation (via context triple) batch_69addf3fd6bc81908b762644fb588f0a completed March 8, 2026, 8:42 p.m.
NEDg Description generation batch_69addfcecdf48190a325eb5c8b10f238 completed March 8, 2026, 8:45 p.m.
NED2 Entity disambiguation (via description) batch_69ade0ba34ac8190ac94f7dbb5778f70 completed March 8, 2026, 8:48 p.m.
Created at: March 4, 2026, 7:32 p.m.