Triple

T16935547
Position Surface form Disambiguated ID Type / Status
Subject MBTA Wyoming Hill station E410817 entity
Predicate servedByLine P1293 FINISHED
Object Haverhill Line E14322 NE FINISHED

How this triple was built (2 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: Haverhill Line | Statement: [MBTA Wyoming Hill station, servedByLine, Haverhill Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Haverhill Line
Context triple: [MBTA Wyoming Hill station, servedByLine, Haverhill Line]
  • A. Haverhill Line chosen
    The Haverhill Line is a Massachusetts Bay Transportation Authority commuter rail route running between Boston and the city of Haverhill, serving communities in the Merrimack Valley.
  • B. Ipswich line
    The Ipswich line is a suburban railway line in Brisbane, Queensland, connecting the city centre with the western suburbs and the city of Ipswich.
  • C. Ipswich–Lowestoft line
    The Ipswich–Lowestoft line is a regional railway route in Suffolk, England, connecting the town of Ipswich with the coastal resort of Lowestoft and serving intermediate communities along the way.
  • D. Ely–Ipswich line
    The Ely–Ipswich line is a regional railway route in eastern England that connects the city of Ely in Cambridgeshire with the town of Ipswich in Suffolk, serving as an important link across East Anglia.
  • E. Cambridge–Ely line
    The Cambridge–Ely line is a railway route in Cambridgeshire, England, connecting the city of Cambridge with the cathedral city of Ely and forming part of the region’s key passenger and freight network.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d886c886688190967be07322597ac9 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3cf2a05f48190a0a8ac86985f4000 completed April 18, 2026, 6:36 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00cfe2d4f48190b965b6c0a3cc0125 completed May 10, 2026, 6:35 p.m.
Created at: April 10, 2026, 5:30 a.m.