Triple

T5249041
Position Surface form Disambiguated ID Type / Status
Subject Boston subway E118535 entity
Predicate colorCodeSystem P60 FINISHED
Object Blue Line is colored blue
Blue Line is colored blue is a subway line in Boston’s public transit system, commonly identified by its blue color on maps and signage.
 E505501 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: Blue Line is colored blue | Statement: [Boston subway, colorCodeSystem, Blue Line is colored blue]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Blue Line is colored blue
Context triple: [Boston subway, colorCodeSystem, Blue Line is colored blue]
  • A. Blue line
    The Blue line is one of the main lines of the Stockholm metro system, connecting central Stockholm with several northern and western suburbs.
  • B. Green line
    The Green line is one of the main color-coded routes in the Stockholm metro system, serving numerous central and suburban stations across the city.
  • C. MAX Blue Line
    MAX Blue Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with eastern and western suburbs as part of the region’s MAX Light Rail system.
  • D. Blue Line (selected runs over time)
    Blue Line (selected runs over time) refers to specific services on Chicago’s Blue Line rapid transit route that at certain periods have been operated with CTA 5000-series railcars.
  • E. Red line
    The Red line is one of the main color-coded routes of the Stockholm metro system, serving numerous central and suburban stations across the city.
  • 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: Blue Line is colored blue
Triple: [Boston subway, colorCodeSystem, Blue Line is colored blue]
Generated description
Blue Line is colored blue is a subway line in Boston’s public transit system, commonly identified by its blue color on maps and signage.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Blue Line is colored blue
Target entity description: Blue Line is colored blue is a subway line in Boston’s public transit system, commonly identified by its blue color on maps and signage.
  • A. Blue line
    The Blue line is one of the main lines of the Stockholm metro system, connecting central Stockholm with several northern and western suburbs.
  • B. Green line
    The Green line is one of the main color-coded routes in the Stockholm metro system, serving numerous central and suburban stations across the city.
  • C. MAX Blue Line
    MAX Blue Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with eastern and western suburbs as part of the region’s MAX Light Rail system.
  • D. Blue Line (selected runs over time)
    Blue Line (selected runs over time) refers to specific services on Chicago’s Blue Line rapid transit route that at certain periods have been operated with CTA 5000-series railcars.
  • E. Red line
    The Red line is one of the main color-coded routes of the Stockholm metro system, serving numerous central and suburban stations across the city.
  • 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_69bd4468aacc8190a8196f71855cdf4f completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd84718f788190ab016ea45878b2a7 completed March 20, 2026, 5:31 p.m.
NED1 Entity disambiguation (via context triple) batch_69bef83998f881909fef2746f5c496af completed March 21, 2026, 7:57 p.m.
NEDg Description generation batch_69befa746be88190a8d807317ab36430 completed March 21, 2026, 8:07 p.m.
NED2 Entity disambiguation (via description) batch_69befac54e8c8190986aca0f5591d04e completed March 21, 2026, 8:08 p.m.
Created at: March 20, 2026, 1:50 p.m.