Triple

T23931494
Position Surface form Disambiguated ID Type / Status
Subject Greenwich, Massachusetts E602509 entity
Predicate hadRailService P782 FINISHED
Object Central Massachusetts Railroad
The Central Massachusetts Railroad was a regional rail line in Massachusetts that connected rural communities in the central part of the state to larger transportation networks in the late 19th and early 20th centuries.
 E1020723 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: Central Massachusetts Railroad | Statement: [Greenwich, Massachusetts, hadRailService, Central Massachusetts Railroad]
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Central Massachusetts Railroad
Triple: [Greenwich, Massachusetts, hadRailService, Central Massachusetts Railroad]
Generated description
The Central Massachusetts Railroad was a regional rail line in Massachusetts that connected rural communities in the central part of the state to larger transportation networks in the late 19th and early 20th centuries.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: hadRailService
Context triple: [Greenwich, Massachusetts, hadRailService, Central Massachusetts Railroad]
  • A. hasRail
    Indicates that something is equipped with, includes, or is connected to a rail or rail system.
  • B. hadRailwayStation
    Indicates that a place or area previously possessed a railway station, which may no longer be in existence or operation.
  • C. servedByRailroad chosen
    Indicates that a location or facility is provided with transportation or service by a railroad line or company.
  • D. hasRailRoute
    Indicates that there exists a rail-based transportation route or connection between the related entities.
  • E. hasRailroadHistoryWith
    Indicates a historical relationship or connection between entities involving railroads, such as shared development, operation, or significant events in railway history.
  • F. None of above.

Provenance (6 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_69e2953b928c819095395fa87baca583 completed April 17, 2026, 8:16 p.m.
NER Named-entity recognition batch_69f1cf9c223881908e5fa4b5564848e6 completed April 29, 2026, 9:30 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0f7e6f1e288190bdd49b84f55eb47f completed May 21, 2026, 9:51 p.m.
NEDg Description generation batch_6a0f7f6d3d0c8190a408c4dee4ac1f93 completed May 21, 2026, 9:55 p.m.
NED2 Entity disambiguation (via description) batch_6a0f80468e208190813d392e9e478151 completed May 21, 2026, 9:59 p.m.
PD Predicate disambiguation batch_69f16151ebdc819086e9e1d7cc1f4f3c completed April 29, 2026, 1:39 a.m.
Created at: April 17, 2026, 8:58 p.m.