Triple

T14931508
Position Surface form Disambiguated ID Type / Status
Subject Belmont station (CTA North Side Main Line) E372275 entity
Predicate rebuildProgram P26232 FINISHED
Object Brown Line Capacity Expansion Project E892750 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: Brown Line Capacity Expansion Project | Statement: [Belmont station (CTA North Side Main Line), rebuildProgram, Brown Line Capacity Expansion Project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brown Line Capacity Expansion Project
Context triple: [Belmont station (CTA North Side Main Line), rebuildProgram, Brown Line Capacity Expansion Project]
  • A. Brown Line Capacity Expansion Project chosen
    The Brown Line Capacity Expansion Project was a major Chicago Transit Authority initiative to modernize and increase the capacity of the Brown Line, including station upgrades, platform extensions, and infrastructure improvements to accommodate longer trains and more riders.
  • B. North Line extension of Red Line
    The North Line extension of the Red Line is a METRORail light rail expansion in Houston that extends service north from downtown to additional neighborhoods and transit connections.
  • C. Red Line Northwest Extension corridor
    The Red Line Northwest Extension corridor is a planned expansion route of Boston's MBTA Red Line intended to extend rapid transit service northwest from its current terminus.
  • D. Green Line Extension
    The Green Line Extension is a Massachusetts Bay Transportation Authority light rail project that extends Boston’s Green Line service into previously unserved neighborhoods in Somerville and Medford.
  • E. South Side elevated lines of Chicago
    The South Side elevated lines of Chicago are a historic segment of the city’s rapid transit system serving Chicago’s South Side neighborhoods as part of the “L” network.
  • 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: rebuildProgram
Context triple: [Belmont station (CTA North Side Main Line), rebuildProgram, Brown Line Capacity Expansion Project]
  • A. reconstructionProgram chosen
    Indicates a program or initiative designed to rebuild, restore, or structurally improve something that has been damaged, degraded, or is otherwise in need of renewal.
  • B. rebuild
    Indicates restoring or constructing again something that was previously built, often after damage, destruction, or significant alteration.
  • C. rebuiltUnder
    Indicates that an entity was reconstructed or restored while being subject to the authority, control, or governance of another entity.
  • D. rebuiltFor
    Indicates that one entity has been reconstructed, renovated, or modified specifically to serve the needs, purposes, or use of another entity.
  • E. majorRebuilder
    Indicates that an entity plays a primary or leading role in reconstructing, restoring, or significantly rebuilding another entity.
  • 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_69d85cc9da0c81908d583ca3f63a3908 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69ded64550dc8190ba44120df00ba498 completed April 15, 2026, 12:05 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe72c86b5c81909e601a3fc78276bd completed May 8, 2026, 11:33 p.m.
PD Predicate disambiguation batch_69de9a52ba988190a26e268b4ea083ea completed April 14, 2026, 7:49 p.m.
Created at: April 10, 2026, 2:36 a.m.