Triple

T5608671
Position Surface form Disambiguated ID Type / Status
Subject Reformatory Branch Trail E147296 entity
Predicate followsFormerLineOf P2127 FINISHED
Object Boston and Lowell Railroad Reformatory Branch E81016 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: Boston and Lowell Railroad Reformatory Branch | Statement: [Reformatory Branch Trail, followsFormerLineOf, Boston and Lowell Railroad Reformatory Branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Boston and Lowell Railroad Reformatory Branch
Context triple: [Reformatory Branch Trail, followsFormerLineOf, Boston and Lowell Railroad Reformatory Branch]
  • A. Boston and Lowell Railroad chosen
    The Boston and Lowell Railroad was a 19th-century New England railway company that operated a key line between Boston and Lowell, Massachusetts, and later became part of larger regional rail systems.
  • B. Fitchburg Line
    The Fitchburg Line is a commuter rail service operated by the Massachusetts Bay Transportation Authority (MBTA) that runs between Boston and the city of Fitchburg in Massachusetts.
  • C. Lowell Line
    The Lowell Line is a Massachusetts Bay Transportation Authority commuter rail route that runs between Boston’s North Station and the city of Lowell, serving communities in the Merrimack Valley.
  • D. Boston and Maine Railroad Lexington Branch
    The Boston and Maine Railroad Lexington Branch was a former suburban rail line in Massachusetts that once connected communities northwest of Boston and later provided the corridor for today’s Minuteman Bikeway.
  • E. Boston, Revere Beach and Lynn Railroad
    The Boston, Revere Beach and Lynn Railroad was a narrow-gauge commuter railroad that operated along the Massachusetts North Shore, providing passenger service between East Boston, Revere, and Lynn in the late 19th and early 20th centuries.
  • 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: followsFormerLineOf
Context triple: [Reformatory Branch Trail, followsFormerLineOf, Boston and Lowell Railroad Reformatory Branch]
  • A. successorLine
    Indicates that one line directly follows another in a sequence or ordered arrangement.
  • B. formerLine
    Indicates that an entity previously served as a particular transit or service line but no longer does so.
  • C. followsRouteOf chosen
    Indicates that one entity travels along the same path or route that another entity takes or has taken.
  • D. formerLineName
    Indicates that the object is a previous or former name by which the referenced line was known.
  • E. follows
    Indicates that one entity comes after, moves behind, or acts in accordance with another entity in time, space, or sequence.
  • F. None of above.

Provenance (4 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_69c0090500f881908374285baf0ac46f completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c020fe7ee0819088ced51afd9a4f93 completed March 22, 2026, 5:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69c04d4465388190b28f47f11e133b6a completed March 22, 2026, 8:12 p.m.
PD Predicate disambiguation batch_69c01b1b3c98819080687d18ab10a914 completed March 22, 2026, 4:38 p.m.
Created at: March 22, 2026, 3:39 p.m.