Triple

T9014090
Position Surface form Disambiguated ID Type / Status
Subject Norwalk station E215549 entity
Predicate fareZone P844 FINISHED
Object A (Los Angeles Metro Rail zone system, historical)
A was a former fare zone designation used in the historical Los Angeles Metro Rail zone-based ticketing system.
 E772763 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: A (Los Angeles Metro Rail zone system, historical) | Statement: [Norwalk station, fareZone, A (Los Angeles Metro Rail zone system, historical)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: A (Los Angeles Metro Rail zone system, historical)
Context triple: [Norwalk station, fareZone, A (Los Angeles Metro Rail zone system, historical)]
  • A. Metra zone E
    Metra zone E is a commuter rail fare zone in the Chicago metropolitan area used to determine ticket prices on Metra’s zone-based system.
  • 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. Metrolink fare zones
    Metrolink fare zones are the concentric pricing areas used to calculate ticket costs across Greater Manchester’s Metrolink tram network.
  • D. LA Metro A Line
    The LA Metro A Line is a light rail line in Los Angeles County that connects downtown Los Angeles with several surrounding communities, including Pasadena and Long Beach.
  • E. RTA Blue and Green Lines system
    The RTA Blue and Green Lines system is a light rail network in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key east-side suburbs and downtown areas.
  • 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: A (Los Angeles Metro Rail zone system, historical)
Triple: [Norwalk station, fareZone, A (Los Angeles Metro Rail zone system, historical)]
Generated description
A was a former fare zone designation used in the historical Los Angeles Metro Rail zone-based ticketing system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: A (Los Angeles Metro Rail zone system, historical)
Target entity description: A was a former fare zone designation used in the historical Los Angeles Metro Rail zone-based ticketing system.
  • A. Metra zone E
    Metra zone E is a commuter rail fare zone in the Chicago metropolitan area used to determine ticket prices on Metra’s zone-based system.
  • 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. Metrolink fare zones
    Metrolink fare zones are the concentric pricing areas used to calculate ticket costs across Greater Manchester’s Metrolink tram network.
  • D. LA Metro A Line
    The LA Metro A Line is a light rail line in Los Angeles County that connects downtown Los Angeles with several surrounding communities, including Pasadena and Long Beach.
  • E. RTA Blue and Green Lines system
    The RTA Blue and Green Lines system is a light rail network in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key east-side suburbs and downtown areas.
  • 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_69ca83a2bf088190986ee7a8eb90407d completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc69fae0b88190a0aa989bc37ab2c7 completed April 1, 2026, 12:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfdba4bfd481908a5f33d39b8e7dd5 completed April 3, 2026, 3:24 p.m.
NEDg Description generation batch_69cfdc5b230881908057cc868e44ea44 completed April 3, 2026, 3:27 p.m.
NED2 Entity disambiguation (via description) batch_69cfdcfc28288190b849b3f0216a7e9a completed April 3, 2026, 3:30 p.m.
Created at: March 30, 2026, 7:06 p.m.