Triple

T20556680
Position Surface form Disambiguated ID Type / Status
Subject Tacoma Link light rail E504736 entity
Predicate extension P11869 FINISHED
Object Hilltop extension
Hilltop extension is a segment of Tacoma's light rail system that expands service from downtown into the Hilltop neighborhood, adding new stations and improved transit access.
 E1437537 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: Hilltop extension | Statement: [Tacoma Link light rail, extension, Hilltop extension]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hilltop extension
Context triple: [Tacoma Link light rail, extension, Hilltop extension]
  • A. Hilltop Bayview
    Hilltop Bayview is a residential neighborhood located near the Hilltop Mall area in Richmond, California, known for its hillside setting and bay views.
  • B. Old Hilltop
    Old Hilltop is the historic Baltimore horse racing venue best known as the longtime home of the Preakness Stakes.
  • C. Upper Hill
    Upper Hill is a residential neighborhood in Pittsburgh, Pennsylvania, forming part of the historic Hill District just east of downtown.
  • D. Hilltop Green
    Hilltop Green is a residential neighborhood located near the Hilltop Mall area in Richmond, California, known for its suburban setting and proximity to local shopping and transit.
  • E. Clinton Heights
    Clinton Heights is a residential hamlet and census-designated place located within the town of East Greenbush in Rensselaer County, New York.
  • 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: Hilltop extension
Triple: [Tacoma Link light rail, extension, Hilltop extension]
Generated description
Hilltop extension is a segment of Tacoma's light rail system that expands service from downtown into the Hilltop neighborhood, adding new stations and improved transit access.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hilltop extension
Target entity description: Hilltop extension is a segment of Tacoma's light rail system that expands service from downtown into the Hilltop neighborhood, adding new stations and improved transit access.
  • A. Hilltop Bayview
    Hilltop Bayview is a residential neighborhood located near the Hilltop Mall area in Richmond, California, known for its hillside setting and bay views.
  • B. Old Hilltop
    Old Hilltop is the historic Baltimore horse racing venue best known as the longtime home of the Preakness Stakes.
  • C. Upper Hill
    Upper Hill is a residential neighborhood in Pittsburgh, Pennsylvania, forming part of the historic Hill District just east of downtown.
  • D. Hilltop Green
    Hilltop Green is a residential neighborhood located near the Hilltop Mall area in Richmond, California, known for its suburban setting and proximity to local shopping and transit.
  • E. Clinton Heights
    Clinton Heights is a residential hamlet and census-designated place located within the town of East Greenbush in Rensselaer County, New York.
  • 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_69e0b4b6587c8190aee63dc7cff244ea completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6a5de9c008190b8620628fb285e90 completed April 20, 2026, 10:17 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08a576d990819099ac2858ea7df968 completed May 16, 2026, 5:12 p.m.
NEDg Description generation batch_6a08a68c08dc8190a09854800df82686 completed May 16, 2026, 5:17 p.m.
NED2 Entity disambiguation (via description) batch_6a08a7331cc88190a9ed6056e5743e69 completed May 16, 2026, 5:19 p.m.
Created at: April 16, 2026, 11:38 a.m.