Triple

T197408
Position Surface form Disambiguated ID Type / Status
Subject Essex County, Massachusetts E3846 entity
Predicate containsHistoricSite P1098 FINISHED
Object Saugus Iron Works National Historic Site
Saugus Iron Works National Historic Site is a preserved 17th-century ironworks in Massachusetts that interprets one of the first integrated iron-making operations in North America.
E25467 NE FINISHED

How this triple was built (4 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: Saugus Iron Works National Historic Site | Statement: [Essex County, Massachusetts, containsHistoricSite, Saugus Iron Works National Historic Site]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Saugus Iron Works National Historic Site
Context triple: [Essex County, Massachusetts, containsHistoricSite, Saugus Iron Works National Historic Site]
  • A. Salem Maritime National Historic Site
    Salem Maritime National Historic Site is a historic waterfront area in Salem, Massachusetts, preserving 18th- and 19th-century wharves, buildings, and artifacts related to the city’s prominent role in early American maritime trade.
  • B. Sloss Furnaces National Historic Landmark
    Sloss Furnaces National Historic Landmark is a preserved 19th- and 20th-century iron-producing blast furnace complex in Birmingham, Alabama, that now serves as a museum and cultural site highlighting the city’s industrial heritage.
  • C. Maine Narrow Gauge Railroad Museum
    The Maine Narrow Gauge Railroad Museum is a heritage railway and museum in Portland, Maine, dedicated to preserving and operating historic two-foot gauge railroad equipment from the state's past.
  • D. Olana State Historic Site
    Olana State Historic Site is the former home and Persian-inspired hilltop estate of Hudson River School painter Frederic Edwin Church, now preserved as a museum and landscape overlooking the Hudson River.
  • E. Metlar–Bodine House Museum
    The Metlar–Bodine House Museum is a historic 18th-century home-turned-museum that preserves and interprets the local history and heritage of the Piscataway area.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
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: Saugus Iron Works National Historic Site
Triple: [Essex County, Massachusetts, containsHistoricSite, Saugus Iron Works National Historic Site]
Generated description
Saugus Iron Works National Historic Site is a preserved 17th-century ironworks in Massachusetts that interprets one of the first integrated iron-making operations in North America.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Saugus Iron Works National Historic Site
Target entity description: Saugus Iron Works National Historic Site is a preserved 17th-century ironworks in Massachusetts that interprets one of the first integrated iron-making operations in North America.
  • A. Salem Maritime National Historic Site
    Salem Maritime National Historic Site is a historic waterfront area in Salem, Massachusetts, preserving 18th- and 19th-century wharves, buildings, and artifacts related to the city’s prominent role in early American maritime trade.
  • B. Sloss Furnaces National Historic Landmark
    Sloss Furnaces National Historic Landmark is a preserved 19th- and 20th-century iron-producing blast furnace complex in Birmingham, Alabama, that now serves as a museum and cultural site highlighting the city’s industrial heritage.
  • C. Maine Narrow Gauge Railroad Museum
    The Maine Narrow Gauge Railroad Museum is a heritage railway and museum in Portland, Maine, dedicated to preserving and operating historic two-foot gauge railroad equipment from the state's past.
  • D. Olana State Historic Site
    Olana State Historic Site is the former home and Persian-inspired hilltop estate of Hudson River School painter Frederic Edwin Church, now preserved as a museum and landscape overlooking the Hudson River.
  • E. Metlar–Bodine House Museum
    The Metlar–Bodine House Museum is a historic 18th-century home-turned-museum that preserves and interprets the local history and heritage of the Piscataway area.
  • 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_69a2548debd48190ae3a06d6e65b53c6 completed Feb. 28, 2026, 2:35 a.m.
NER Named-entity recognition batch_69a2598594388190a56f36fa036eac84 completed Feb. 28, 2026, 2:57 a.m.
NED1 Entity disambiguation (via context triple) batch_69a31c93aa348190a7555a8327f7ad99 completed Feb. 28, 2026, 4:49 p.m.
NEDg Description generation batch_69a320abcce08190867d01cd84a0a632 completed Feb. 28, 2026, 5:06 p.m.
NED2 Entity disambiguation (via description) batch_69a321016748819090356a3369138d21 completed Feb. 28, 2026, 5:08 p.m.
Created at: Feb. 28, 2026, 2:41 a.m.