Triple

T1643901
Position Surface form Disambiguated ID Type / Status
Subject Portland Union Station E35533 entity
Predicate heritageDesignation P623 FINISHED
Object Portland Historic Landmark
The Portland Historic Landmark designation is a local preservation status granted to significant historic sites and structures in Portland, Oregon, recognizing their architectural, cultural, or historical importance and affording them certain protections.
E186102 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: Portland Historic Landmark | Statement: [Portland Union Station, heritageDesignation, Portland Historic Landmark]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Portland Historic Landmark
Context triple: [Portland Union Station, heritageDesignation, Portland Historic Landmark]
  • A. Portland City Hall
    Portland City Hall is the historic municipal building in downtown Portland, Oregon, that houses the offices and chambers of the city’s government.
  • B. Salem Historic District
    Salem Historic District is a historically significant area in Salem, Massachusetts, known for its well-preserved colonial architecture and its central role in the 17th-century Salem witch trials.
  • C. Pioneer Courthouse
    Pioneer Courthouse is a historic 19th-century federal courthouse in downtown Portland, Oregon, and one of the oldest functioning federal courthouses in the western United States.
  • D. Boston Landmark
    Boston Landmark is an official historic designation used by the City of Boston to recognize and protect buildings, structures, and sites of significant architectural, cultural, or historical importance.
  • E. Portland Building
    The Portland Building is a landmark postmodern office building in downtown Portland, Oregon, designed by architect Michael Graves and noted for its colorful, ornamental façade.
  • 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: Portland Historic Landmark
Triple: [Portland Union Station, heritageDesignation, Portland Historic Landmark]
Generated description
The Portland Historic Landmark designation is a local preservation status granted to significant historic sites and structures in Portland, Oregon, recognizing their architectural, cultural, or historical importance and affording them certain protections.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Portland Historic Landmark
Target entity description: The Portland Historic Landmark designation is a local preservation status granted to significant historic sites and structures in Portland, Oregon, recognizing their architectural, cultural, or historical importance and affording them certain protections.
  • A. Portland City Hall
    Portland City Hall is the historic municipal building in downtown Portland, Oregon, that houses the offices and chambers of the city’s government.
  • B. Salem Historic District
    Salem Historic District is a historically significant area in Salem, Massachusetts, known for its well-preserved colonial architecture and its central role in the 17th-century Salem witch trials.
  • C. Pioneer Courthouse
    Pioneer Courthouse is a historic 19th-century federal courthouse in downtown Portland, Oregon, and one of the oldest functioning federal courthouses in the western United States.
  • D. Boston Landmark
    Boston Landmark is an official historic designation used by the City of Boston to recognize and protect buildings, structures, and sites of significant architectural, cultural, or historical importance.
  • E. Portland Building
    The Portland Building is a landmark postmodern office building in downtown Portland, Oregon, designed by architect Michael Graves and noted for its colorful, ornamental façade.
  • 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_69a88604618c81908b41f6429c431eb6 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69aa622e9b08819094960b2329c6e7e6 completed March 6, 2026, 5:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad60a26350819087e7a87b52561143 completed March 8, 2026, 11:42 a.m.
NEDg Description generation batch_69ad61d1806081909268a9a100b326a1 completed March 8, 2026, 11:47 a.m.
NED2 Entity disambiguation (via description) batch_69ad622acf5881908add72069bd2f060 completed March 8, 2026, 11:48 a.m.
Created at: March 4, 2026, 7:28 p.m.