Triple

T3625163
Position Surface form Disambiguated ID Type / Status
Subject Corona, California E76819 entity
Predicate hasMetrolinkStation P726 FINISHED
Object Corona–North Main station
Corona–North Main station is a Metrolink commuter rail station serving the city of Corona in Riverside County, California.
E372667 NE FINISHED

How this triple was built (5 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: Corona–North Main station | Statement: [Corona, California, hasMetrolinkStation, Corona–North Main station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Corona–North Main station
Context triple: [Corona, California, hasMetrolinkStation, Corona–North Main station]
  • A. Main Street station
    Main Street station is a Toronto Transit Commission subway station in the city's east end that serves as a local hub for the Bloor–Danforth line and nearby surface transit routes.
  • B. Civic Center station
    Civic Center station is a major public transit hub in downtown St. Louis, Missouri, serving MetroLink light rail and numerous bus routes near the Enterprise Center arena.
  • C. Bachman station
    Bachman station is a public transit stop in Dallas, Texas, served by DART’s Green Line light rail system.
  • D. Crestmont station
    Crestmont station is a SEPTA Regional Rail stop in Abington Township, Pennsylvania, serving passengers on the Warminster Line.
  • E. Riverside station
    Riverside station is a major Massachusetts Bay Transportation Authority light rail station and park-and-ride hub located in Newton, Massachusetts.
  • 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: Corona–North Main station
Triple: [Corona, California, hasMetrolinkStation, Corona–North Main station]
Generated description
Corona–North Main station is a Metrolink commuter rail station serving the city of Corona in Riverside County, California.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Corona–North Main station
Target entity description: Corona–North Main station is a Metrolink commuter rail station serving the city of Corona in Riverside County, California.
  • A. Main Street station
    Main Street station is a Toronto Transit Commission subway station in the city's east end that serves as a local hub for the Bloor–Danforth line and nearby surface transit routes.
  • B. Civic Center station
    Civic Center station is a major public transit hub in downtown St. Louis, Missouri, serving MetroLink light rail and numerous bus routes near the Enterprise Center arena.
  • C. Bachman station
    Bachman station is a public transit stop in Dallas, Texas, served by DART’s Green Line light rail system.
  • D. Crestmont station
    Crestmont station is a SEPTA Regional Rail stop in Abington Township, Pennsylvania, serving passengers on the Warminster Line.
  • E. Riverside station
    Riverside station is a major Massachusetts Bay Transportation Authority light rail station and park-and-ride hub located in Newton, Massachusetts.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasMetrolinkStation
Context triple: [Corona, California, hasMetrolinkStation, Corona–North Main station]
  • A. hasMetroStations
    Indicates that a place or area is served by one or more metro (subway) stations.
  • B. hasRailStation chosen
    Indicates that one entity possesses, contains, or is served by a rail station.
  • C. hasEndpointStation
    Indicates that something (such as a route, line, or service) has a specific station as one of its terminal endpoints.
  • D. isSuburbanStationOf
    Indicates that a station is located in a suburban area and functionally serves as a subsidiary or outlying station of a main or central station.
  • E. hasMetroLine
    Indicates that a location or area is served by, or connected to, a specific metro (subway) line.
  • F. None of above.

Provenance (6 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_69ad85dc03948190b35b7189e4175bcc completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc2dae7a48190809d4455b2349aaa completed March 8, 2026, 6:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4332260cc8190964a15bfee0a3b61 completed March 13, 2026, 3:54 p.m.
NEDg Description generation batch_69b435af0f688190ac82dccd487747af completed March 13, 2026, 4:05 p.m.
NED2 Entity disambiguation (via description) batch_69b43620aee48190953a413ece0d51fa completed March 13, 2026, 4:06 p.m.
PD Predicate disambiguation batch_69adb8410a5881909c94818d7060b2b0 completed March 8, 2026, 5:56 p.m.
Created at: March 8, 2026, 3:23 p.m.