Triple

T5249039
Position Surface form Disambiguated ID Type / Status
Subject Boston subway E118535 entity
Predicate colorCodeSystem P60 FINISHED
Object Red Line is colored red
Red Line is colored red is the red-designated route of Boston’s subway system, commonly known as the MBTA Red Line.
E505499 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: Red Line is colored red | Statement: [Boston subway, colorCodeSystem, Red Line is colored red]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Red Line is colored red
Context triple: [Boston subway, colorCodeSystem, Red Line is colored red]
  • A. 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.
  • 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. 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.
  • D. Sky Red Line
    Sky Red Line is the high-performance, turbocharged variant of the Saturn Sky roadster, featuring upgraded power and sport-tuned components.
  • E. Red Line
    The Red Line is a major rapid transit route in Chicago that runs north–south through the city, serving as one of the busiest lines in its subway and elevated rail system.
  • 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: Red Line is colored red
Triple: [Boston subway, colorCodeSystem, Red Line is colored red]
Generated description
Red Line is colored red is the red-designated route of Boston’s subway system, commonly known as the MBTA Red Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Red Line is colored red
Target entity description: Red Line is colored red is the red-designated route of Boston’s subway system, commonly known as the MBTA Red Line.
  • A. 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.
  • 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. 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.
  • D. Sky Red Line
    Sky Red Line is the high-performance, turbocharged variant of the Saturn Sky roadster, featuring upgraded power and sport-tuned components.
  • E. Red Line
    The Red Line is a major rapid transit route in Chicago that runs north–south through the city, serving as one of the busiest lines in its subway and elevated rail system.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: colorCodeSystem
Context triple: [Boston subway, colorCodeSystem, Red Line is colored red]
  • A. colorDisplay
    Indicates that one entity presents, shows, or renders the color associated with another entity.
  • B. colorEncoding
    Indicates how the color information of an entity is represented, formatted, or encoded.
  • C. regionCodeSystem
    Indicates that a region is identified or classified according to a particular coding system for geographic or administrative areas.
  • D. colorSystemCompatibleWith
    Indicates that one color system can be accurately used, interpreted, or converted within the context of another color system without loss of intended color meaning.
  • E. colors chosen
    Indicates that one entity assigns, describes, or provides the color or colors of another entity.
  • 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_69bd4468aacc8190a8196f71855cdf4f completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd7b787b34819081af96de9355bb4f completed March 20, 2026, 4:53 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.
PD Predicate disambiguation batch_69bd77c30bac8190a883ca45da35d667 completed March 20, 2026, 4:37 p.m.
Created at: March 20, 2026, 1:50 p.m.