Triple

T1514147
Position Surface form Disambiguated ID Type / Status
Subject Kitchener E32080 entity
Predicate servedBy P82 FINISHED
Object Ion light rail transit
Ion light rail transit is a light rail system in Ontario’s Waterloo Region that provides rapid public transportation connecting key urban centers such as Kitchener and Waterloo.
E172286 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: Ion light rail transit | Statement: [Kitchener, servedBy, Ion light rail transit]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ion light rail transit
Context triple: [Kitchener, servedBy, Ion light rail transit]
  • A. MAX Light Rail
    MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
  • B. Link light rail
    Link light rail is a regional light rail transit system serving the Seattle metropolitan area in Washington State, operated by Sound Transit.
  • C. METRO light rail
    METRO light rail is a rapid transit system serving the Minneapolis–Saint Paul metropolitan area with multiple color-designated lines connecting key urban, suburban, and airport destinations.
  • D. DART Light Rail
    DART Light Rail is a light rail transit system serving the Dallas–Fort Worth metropolitan area, operated by Dallas Area Rapid Transit.
  • E. Port Liner automated guideway transit system
    The Port Liner automated guideway transit system is a driverless urban transit line in Kobe, Japan, known for being one of the world’s first fully automated rail systems and for linking central Kobe with Port Island and Kobe Airport.
  • 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: Ion light rail transit
Triple: [Kitchener, servedBy, Ion light rail transit]
Generated description
Ion light rail transit is a light rail system in Ontario’s Waterloo Region that provides rapid public transportation connecting key urban centers such as Kitchener and Waterloo.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ion light rail transit
Target entity description: Ion light rail transit is a light rail system in Ontario’s Waterloo Region that provides rapid public transportation connecting key urban centers such as Kitchener and Waterloo.
  • A. MAX Light Rail
    MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
  • B. Link light rail
    Link light rail is a regional light rail transit system serving the Seattle metropolitan area in Washington State, operated by Sound Transit.
  • C. METRO light rail
    METRO light rail is a rapid transit system serving the Minneapolis–Saint Paul metropolitan area with multiple color-designated lines connecting key urban, suburban, and airport destinations.
  • D. DART Light Rail
    DART Light Rail is a light rail transit system serving the Dallas–Fort Worth metropolitan area, operated by Dallas Area Rapid Transit.
  • E. Port Liner automated guideway transit system
    The Port Liner automated guideway transit system is a driverless urban transit line in Kobe, Japan, known for being one of the world’s first fully automated rail systems and for linking central Kobe with Port Island and Kobe Airport.
  • 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_69a885e8caf88190a5fbb6159ce87786 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a907d901ac8190be55ed4bac609d1d completed March 5, 2026, 4:34 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad23409fd481909834aaf0dc4641f6 completed March 8, 2026, 7:20 a.m.
NEDg Description generation batch_69ad23b8d570819099b953c7a60e9445 completed March 8, 2026, 7:22 a.m.
NED2 Entity disambiguation (via description) batch_69ad248193ec8190b0c08ef979661af0 completed March 8, 2026, 7:25 a.m.
Created at: March 4, 2026, 7:26 p.m.