Triple

T15808023
Position Surface form Disambiguated ID Type / Status
Subject Terrace Hill E383271 entity
Predicate alsoKnownAs P39 FINISHED
Object Iowa Governor's Mansion
The Iowa Governor's Mansion, formally known as Terrace Hill, is a historic 19th-century Second Empire-style mansion in Des Moines that serves as the official residence of the state's governor.
 E1177815 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Iowa Governor's Mansion | Statement: [Terrace Hill, alsoKnownAs, Iowa Governor's Mansion]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Iowa Governor's Mansion
Context triple: [Terrace Hill, alsoKnownAs, Iowa Governor's Mansion]
  • A. Wisconsin Governor's Mansion
    The Wisconsin Governor's Mansion is the official residence of the sitting governor of Wisconsin, located on the shore of Lake Monona in Maple Bluff.
  • B. Iowa State Capitol
    The Iowa State Capitol is the historic seat of Iowa’s state government, notable for its grand 19th-century architecture and distinctive central golden dome.
  • C. Illinois Governor’s Mansion
    The Illinois Governor’s Mansion is the historic official residence of the state’s governor, known for its 19th-century architecture and role in Illinois’ political and cultural life.
  • D. Nebraska Governor's Residence
    The Nebraska Governor's Residence is the official home of the state's governor, a historic and ceremonial mansion located near the Nebraska State Capitol in Lincoln.
  • E. Missouri Governor's Mansion
    The Missouri Governor's Mansion is a historic 19th-century executive residence that serves as the official home of the governor of Missouri and a prominent architectural landmark in Jefferson City.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Iowa Governor's Mansion
Target entity description: The Iowa Governor's Mansion, formally known as Terrace Hill, is a historic 19th-century Second Empire-style mansion in Des Moines that serves as the official residence of the state's governor.
  • A. Wisconsin Governor's Mansion
    The Wisconsin Governor's Mansion is the official residence of the sitting governor of Wisconsin, located on the shore of Lake Monona in Maple Bluff.
  • B. Iowa State Capitol
    The Iowa State Capitol is the historic seat of Iowa’s state government, notable for its grand 19th-century architecture and distinctive central golden dome.
  • C. Illinois Governor’s Mansion
    The Illinois Governor’s Mansion is the historic official residence of the state’s governor, known for its 19th-century architecture and role in Illinois’ political and cultural life.
  • D. Nebraska Governor's Residence
    The Nebraska Governor's Residence is the official home of the state's governor, a historic and ceremonial mansion located near the Nebraska State Capitol in Lincoln.
  • E. Missouri Governor's Mansion
    The Missouri Governor's Mansion is a historic 19th-century executive residence that serves as the official home of the governor of Missouri and a prominent architectural landmark in Jefferson City.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Iowa Governor's Mansion
Triple: [Terrace Hill, alsoKnownAs, Iowa Governor's Mansion]
Generated description
The Iowa Governor's Mansion, formally known as Terrace Hill, is a historic 19th-century Second Empire-style mansion in Des Moines that serves as the official residence of the state's governor.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d86da2858c819090cc8481e7207b6e elicitation completed
NER batch_69e0b52896bc819086ef95cc63e90daa ner completed
NED1 batch_69ff998fa5588190b28efc2f342405aa ned_source_triple completed
NED2 batch_69ff9adb25448190b805046ae6c3ee17 ned_description completed
NEDg batch_69ff9a32d6bc81909d8023de562a2517 nedg completed
Created at: April 10, 2026, 4:48 a.m.