Triple

T871179
Position Surface form Disambiguated ID Type / Status
Subject Wollaston station E18815 entity
Predicate isOnBranch P20674 FINISHED
Object Red Line mainline E44935 NE FINISHED

How this triple was built (3 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 mainline | Statement: [Wollaston station, isOnBranch, Red Line mainline]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Red Line mainline
Context triple: [Wollaston station, isOnBranch, Red Line mainline]
  • A. Red Line chosen
    The Red Line is a major rapid transit route in the Boston metropolitan area, operated by the MBTA and running primarily north–south through key neighborhoods and suburbs.
  • B. Red Line
    Red Line is one of the main rapid transit routes of the Dubai Metro, running along key areas of the city and serving many of its major commercial and residential districts.
  • C. Red Line
    The Red Line is one of the primary heavy-rail rapid transit routes in Atlanta’s MARTA system, running north–south and serving key destinations across the metropolitan area.
  • D. Red Line
    Red Line was the original name of Los Angeles Metro’s B Line, a heavy-rail subway corridor serving key neighborhoods between Downtown Los Angeles and North Hollywood.
  • 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.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: isOnBranch
Context triple: [Wollaston station, isOnBranch, Red Line mainline]
  • A. isOn
    Indicates that one entity is physically positioned above and in contact with the top surface of another entity.
  • B. branchChecked
    Indicates that a specific branch (such as in version control or a decision tree) has been examined or verified.
  • C. usedByBranch
    Indicates that something (such as a resource, configuration, or component) is utilized or depended upon by a particular branch.
  • D. hasMajorBranch
    Indicates that one entity possesses or includes another entity as a primary or principal subdivision or branch.
  • E. isUniqueBranchOf
    Indicates that one branch is the sole or distinct sub-branch associated with a particular parent entity or structure.
  • 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_69a4938db1f081909bcd1ad2713b6096 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ac94d5ac81909feee876696da589 completed March 1, 2026, 9:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad013923908190b20e11e14df7fa14 completed March 8, 2026, 4:55 a.m.
PD Predicate disambiguation batch_69a4aa89ca008190b50d061ac7fe19f9 completed March 1, 2026, 9:07 p.m.
PDg Predicate description generation batch_69a4ab4a38ec8190915916d80299ab55 completed March 1, 2026, 9:10 p.m.
Created at: March 1, 2026, 7:39 p.m.