Triple

T782775
Position Surface form Disambiguated ID Type / Status
Subject Mercer Island, Washington, United States E16533 entity
Predicate hasLightRailStation P726 FINISHED
Object Mercer Island Station
Mercer Island Station is a light rail transit stop serving the city of Mercer Island in the Seattle metropolitan area.
E94264 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: Mercer Island Station | Statement: [Mercer Island, Washington, United States, hasLightRailStation, Mercer Island Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mercer Island Station
Context triple: [Mercer Island, Washington, United States, hasLightRailStation, Mercer Island Station]
  • A. Brigham Circle station
    Brigham Circle station is a light rail stop on the MBTA Green Line E branch located in Boston’s Mission Hill neighborhood.
  • B. Kenmore station
    Kenmore station is a major Boston transit hub on the MBTA Green Line that serves as a key access point to Fenway Park and nearby Boston University.
  • C. Powell Street terminal
    Powell Street terminal is a major San Francisco cable car turnaround and boarding point located near Union Square, serving as a key hub for tourists and commuters.
  • D. Convention Center Station
    Convention Center Station is a public transit stop serving the area around the Kay Bailey Hutchison Convention Center in Dallas, Texas.
  • E. Roosevelt station
    Roosevelt station is a major Chicago 'L' rapid transit stop in the South Loop that serves as a key access point to nearby attractions including the Field Museum, Shedd Aquarium, and Soldier Field.
  • 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: Mercer Island Station
Triple: [Mercer Island, Washington, United States, hasLightRailStation, Mercer Island Station]
Generated description
Mercer Island Station is a light rail transit stop serving the city of Mercer Island in the Seattle metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mercer Island Station
Target entity description: Mercer Island Station is a light rail transit stop serving the city of Mercer Island in the Seattle metropolitan area.
  • A. Brigham Circle station
    Brigham Circle station is a light rail stop on the MBTA Green Line E branch located in Boston’s Mission Hill neighborhood.
  • B. Kenmore station
    Kenmore station is a major Boston transit hub on the MBTA Green Line that serves as a key access point to Fenway Park and nearby Boston University.
  • C. Powell Street terminal
    Powell Street terminal is a major San Francisco cable car turnaround and boarding point located near Union Square, serving as a key hub for tourists and commuters.
  • D. Convention Center Station
    Convention Center Station is a public transit stop serving the area around the Kay Bailey Hutchison Convention Center in Dallas, Texas.
  • E. Roosevelt station
    Roosevelt station is a major Chicago 'L' rapid transit stop in the South Loop that serves as a key access point to nearby attractions including the Field Museum, Shedd Aquarium, and Soldier Field.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasLightRailStation
Context triple: [Mercer Island, Washington, United States, hasLightRailStation, Mercer Island Station]
  • A. hasLightRailSystem
    Indicates that a place possesses and operates a light rail transit system.
  • B. hasRailStation chosen
    Indicates that one entity possesses, contains, or is served by a rail station.
  • C. hasRailwayStation
    Indicates that a place or location is served by, or contains, a railway station.
  • D. hasPublicTransportStop
    Indicates that a location or area contains or is served by a public transport stop, such as a bus, tram, or train stop.
  • E. hasBusStation
    Indicates that a place or area contains or is served by a bus station.
  • 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_69a4936ad1fc81908f190208059ccf78 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a7686d0881908c2a4395059be02c completed March 1, 2026, 8:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69a67efd612481909580fbef3605dcbc completed March 3, 2026, 6:26 a.m.
NEDg Description generation batch_69a67f5a246481908bde953b245a6b5e completed March 3, 2026, 6:27 a.m.
NED2 Entity disambiguation (via description) batch_69a6808fe5748190b95959ee23ee6241 completed March 3, 2026, 6:32 a.m.
PD Predicate disambiguation batch_69a4a50db97c8190a1c55673f4a357b4 completed March 1, 2026, 8:43 p.m.
Created at: March 1, 2026, 7:37 p.m.