Triple

T14502
Position Surface form Disambiguated ID Type / Status
Subject Atherton, California, United States E289 entity
Predicate hasRailStation P726 FINISHED
Object Atherton station
Atherton station is a commuter rail stop in Atherton, California, serving Caltrain passengers on the San Francisco Peninsula.
E7425 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: Atherton station | Statement: [Atherton, California, United States, hasRailStation, Atherton station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Atherton station
Context triple: [Atherton, California, United States, hasRailStation, Atherton station]
  • A. Hollywood/Highland station
    Hollywood/Highland station is a Los Angeles Metro Rail subway stop on the B Line located in the heart of Hollywood near major attractions like the Dolby Theatre and the Hollywood Walk of Fame.
  • B. Hollywood/Vine station
    Hollywood/Vine station is a Los Angeles Metro Rail subway station located at the iconic intersection of Hollywood Boulevard and Vine Street, serving the heart of Hollywood’s entertainment district.
  • C. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • D. Waverley station
    Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
  • E. Hollywood/Western station
    Hollywood/Western station is a Los Angeles Metro Rail subway station on the B Line located in the Hollywood district of Los Angeles, California.
  • 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: Atherton station
Triple: [Atherton, California, United States, hasRailStation, Atherton station]
Generated description
Atherton station is a commuter rail stop in Atherton, California, serving Caltrain passengers on the San Francisco Peninsula.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Atherton station
Target entity description: Atherton station is a commuter rail stop in Atherton, California, serving Caltrain passengers on the San Francisco Peninsula.
  • A. Hollywood/Highland station
    Hollywood/Highland station is a Los Angeles Metro Rail subway stop on the B Line located in the heart of Hollywood near major attractions like the Dolby Theatre and the Hollywood Walk of Fame.
  • B. Hollywood/Vine station
    Hollywood/Vine station is a Los Angeles Metro Rail subway station located at the iconic intersection of Hollywood Boulevard and Vine Street, serving the heart of Hollywood’s entertainment district.
  • C. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • D. Waverley station
    Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
  • E. Hollywood/Western station
    Hollywood/Western station is a Los Angeles Metro Rail subway station on the B Line located in the Hollywood district of Los Angeles, California.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasRailStation
Context triple: [Atherton, California, United States, hasRailStation, Atherton station]
  • A. hasRailSystem
    Indicates that an entity possesses or is served by a rail-based transportation system.
  • B. hasLightRailSystem
    Indicates that a place possesses and operates a light rail transit system.
  • C. isRailHubFor
    Indicates that a location functions as a central node or interchange point within a rail network for the referenced area, routes, or services.
  • D. primaryStation
    Indicates that one station is designated as the main or principal station associated with another entity or within a given context.
  • E. hasStreetcarSystem
    Indicates that a place possesses or is served by an operational streetcar (tram) transit system.
  • F. None of above. chosen

Provenance (7 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_69a23d7ad88c8190bffe8ab091d86642 completed Feb. 28, 2026, 12:57 a.m.
NER Named-entity recognition batch_69a240b249788190af8dbf7e80e9c91b completed Feb. 28, 2026, 1:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69a25aadb9ac8190b35b13454e86df76 completed Feb. 28, 2026, 3:02 a.m.
NEDg Description generation batch_69a25ba5676881908ac366ed6c0e0d1b completed Feb. 28, 2026, 3:06 a.m.
NED2 Entity disambiguation (via description) batch_69a25f907d908190a3aafe250cf58919 completed Feb. 28, 2026, 3:22 a.m.
PD Predicate disambiguation batch_69a23feae8c481908d8c50faac01fc5c completed Feb. 28, 2026, 1:07 a.m.
PDg Predicate description generation batch_69a240b1551c81908abcae128ea45d00 completed Feb. 28, 2026, 1:11 a.m.
Created at: Feb. 28, 2026, 1:02 a.m.