Triple

T5249042
Position Surface form Disambiguated ID Type / Status
Subject Boston subway E118535 entity
Predicate colorCodeSystem P60 FINISHED
Object Green Line is colored green
The Green Line is one of Boston’s MBTA subway routes, known for serving key central and western neighborhoods and being designated by the color green on transit maps.
E505502 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: Green Line is colored green | Statement: [Boston subway, colorCodeSystem, Green Line is colored green]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Green Line is colored green
Context triple: [Boston subway, colorCodeSystem, Green Line is colored green]
  • A. Green (as part of Green Line)
    Green (as part of the Green Line) is the color designation used for Chicago's Green Line rapid transit route, including its Englewood Branch, within the Chicago 'L' system.
  • 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 Green Line
    MAX Green Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with Clackamas Town Center as part of TriMet’s MAX Light Rail system.
  • D. Red Line and Green Line
    Red Line and Green Line are two key Boston MBTA subway lines that intersect at Park Street Station, serving as major routes through the city and surrounding areas.
  • E. Yellow Line
    The Yellow Line is one of the color-coded rapid transit routes in the Washington Metro system, running primarily in a north–south direction and serving key areas in Washington, D.C. and Northern Virginia.
  • 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: Green Line is colored green
Triple: [Boston subway, colorCodeSystem, Green Line is colored green]
Generated description
The Green Line is one of Boston’s MBTA subway routes, known for serving key central and western neighborhoods and being designated by the color green on transit maps.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Green Line is colored green
Target entity description: The Green Line is one of Boston’s MBTA subway routes, known for serving key central and western neighborhoods and being designated by the color green on transit maps.
  • A. Green (as part of Green Line)
    Green (as part of the Green Line) is the color designation used for Chicago's Green Line rapid transit route, including its Englewood Branch, within the Chicago 'L' system.
  • 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 Green Line
    MAX Green Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with Clackamas Town Center as part of TriMet’s MAX Light Rail system.
  • D. Red Line and Green Line
    Red Line and Green Line are two key Boston MBTA subway lines that intersect at Park Street Station, serving as major routes through the city and surrounding areas.
  • E. Yellow Line
    The Yellow Line is one of the color-coded rapid transit routes in the Washington Metro system, running primarily in a north–south direction and serving key areas in Washington, D.C. and Northern Virginia.
  • 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.