Triple

T8581619
Position Surface form Disambiguated ID Type / Status
Subject South Huntington Avenue E203194 entity
Predicate hasMedianUse P82961 FINISHED
Object MBTA Green Line E branch tracks E18379 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: MBTA Green Line E branch tracks | Statement: [South Huntington Avenue, hasMedianUse, MBTA Green Line E branch tracks]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MBTA Green Line E branch tracks
Context triple: [South Huntington Avenue, hasMedianUse, MBTA Green Line E branch tracks]
  • A. MBTA Green Line E branch stations
    MBTA Green Line E branch stations are light rail stops in Boston and nearby areas served by the E branch of the Massachusetts Bay Transportation Authority’s Green Line.
  • B. MBTA Green Line main line
    The MBTA Green Line main line is the core light rail trunk of Boston’s Green Line system, running through central Boston and connecting multiple branches that serve surrounding neighborhoods and suburbs.
  • C. MBTA Green Line E branch chosen
    The MBTA Green Line E branch is a light rail line in Boston that runs from downtown through the Back Bay and Longwood Medical Area to Heath Street, serving major hospitals, universities, and residential neighborhoods.
  • D. MBTA Green Line C branch
    The MBTA Green Line C branch is a light rail service in Boston and Brookline that runs primarily along Beacon Street, connecting Cleveland Circle to downtown Boston.
  • E. MBTA Green Line B branch
    The MBTA Green Line B branch is a light rail service in Boston that runs along Commonwealth Avenue, primarily serving Boston University and the Allston–Brighton neighborhoods.
  • 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: hasMedianUse
Context triple: [South Huntington Avenue, hasMedianUse, MBTA Green Line E branch tracks]
  • A. hasHumanUse
    Indicates that something is used, employed, or utilized by humans for a particular purpose or benefit.
  • B. medianEquals
    Indicates that the median value of a given set or sequence is equal to a specified value.
  • C. usedMedium
    Indicates that an action or communication was carried out through a particular medium or channel.
  • D. medianType
    Indicates the type or form of a median used in a given context, such as in statistics, geometry, or transportation.
  • E. hasMean
    Indicates that one entity possesses, exhibits, or is characterized by a particular mean value or average.
  • 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_69ca8329bb7c8190a63c643730839103 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbeb1bbbd8819082670286a711826d completed March 31, 2026, 3:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce89ae87f08190b83bc539e1d4eeaa completed April 2, 2026, 3:22 p.m.
PD Predicate disambiguation batch_69cbd11b13108190b07f8f161425a585 completed March 31, 2026, 1:50 p.m.
PDg Predicate description generation batch_69cbe12dd0b88190a38ec4d15dcc870b completed March 31, 2026, 2:58 p.m.
Created at: March 30, 2026, 6:22 p.m.