Triple

T17151509
Position Surface form Disambiguated ID Type / Status
Subject Heinz Hall (PHLF Historic Landmark) E416231 entity
Predicate heritageDesignation P623 FINISHED
Object PHLF Historic Landmark
PHLF Historic Landmark is a designation by the Pittsburgh History & Landmarks Foundation recognizing buildings and sites of significant architectural, historical, or cultural importance in the Pittsburgh region.
E1252791 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: PHLF Historic Landmark | Statement: [Heinz Hall (PHLF Historic Landmark), heritageDesignation, PHLF Historic Landmark]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: PHLF Historic Landmark
Context triple: [Heinz Hall (PHLF Historic Landmark), heritageDesignation, PHLF Historic Landmark]
  • A. Hackley and Hume Historic Site
    Hackley and Hume Historic Site is a preserved pair of ornate late-19th-century lumber barons’ homes that serve as a museum showcasing Victorian-era architecture and local history.
  • B. Paradise Historic District
    Paradise Historic District is a nationally recognized historic area within Mount Rainier National Park known for its early 20th-century park architecture and scenic alpine setting.
  • C. 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.
  • D. Helena Historic District
    Helena Historic District is a nationally recognized area in Helena, Montana, known for its well-preserved 19th- and early 20th-century architecture reflecting the city’s gold rush prosperity and civic development.
  • E. Kalorama Historic District
    The Kalorama Historic District is an affluent, architecturally significant residential neighborhood in Northwest Washington, D.C., known for its embassies, historic mansions, and prominent political residents.
  • 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: PHLF Historic Landmark
Triple: [Heinz Hall (PHLF Historic Landmark), heritageDesignation, PHLF Historic Landmark]
Generated description
PHLF Historic Landmark is a designation by the Pittsburgh History & Landmarks Foundation recognizing buildings and sites of significant architectural, historical, or cultural importance in the Pittsburgh region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: PHLF Historic Landmark
Target entity description: PHLF Historic Landmark is a designation by the Pittsburgh History & Landmarks Foundation recognizing buildings and sites of significant architectural, historical, or cultural importance in the Pittsburgh region.
  • A. Hackley and Hume Historic Site
    Hackley and Hume Historic Site is a preserved pair of ornate late-19th-century lumber barons’ homes that serve as a museum showcasing Victorian-era architecture and local history.
  • B. Paradise Historic District
    Paradise Historic District is a nationally recognized historic area within Mount Rainier National Park known for its early 20th-century park architecture and scenic alpine setting.
  • C. 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.
  • D. Helena Historic District
    Helena Historic District is a nationally recognized area in Helena, Montana, known for its well-preserved 19th- and early 20th-century architecture reflecting the city’s gold rush prosperity and civic development.
  • E. Kalorama Historic District
    The Kalorama Historic District is an affluent, architecturally significant residential neighborhood in Northwest Washington, D.C., known for its embassies, historic mansions, and prominent political residents.
  • 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_69d886d279c081909f8ff1f743ddeb69 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3f40775848190ada44742c0113ab3 completed April 18, 2026, 9:13 p.m.
NED1 Entity disambiguation (via context triple) batch_6a01415d19288190beb3c94da2ce8c0e completed May 11, 2026, 2:39 a.m.
NEDg Description generation batch_6a01422c0f088190b162c7086bc93585 completed May 11, 2026, 2:42 a.m.
NED2 Entity disambiguation (via description) batch_6a0142f274ec819081eb15a3ea0e1b13 completed May 11, 2026, 2:46 a.m.
Created at: April 10, 2026, 5:36 a.m.