Triple

T11121223
Position Surface form Disambiguated ID Type / Status
Subject South Pasadena, California E263018 entity
Predicate hasHistoricLandmark P1098 FINISHED
Object South Pasadena Post Office
The South Pasadena Post Office is a historic U.S. post office building in South Pasadena, California, recognized for its architectural and cultural significance.
E906415 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: South Pasadena Post Office | Statement: [South Pasadena, California, hasHistoricLandmark, South Pasadena Post Office]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: South Pasadena Post Office
Context triple: [South Pasadena, California, hasHistoricLandmark, South Pasadena Post Office]
  • A. City Hall (Pasadena)
    City Hall (Pasadena) is a historic Mediterranean Revival and Spanish Colonial Revival-style civic building in Pasadena, California, renowned for its grand dome and role as a prominent architectural landmark.
  • B. Old Pasadena
    Old Pasadena is a revitalized historic downtown district in Pasadena, California, known for its preserved 19th- and early 20th-century architecture, shopping, dining, and cultural attractions.
  • C. Pershing Square, Los Angeles
    Pershing Square, Los Angeles is a historic public park and urban plaza in downtown Los Angeles known for its central location, civic events, and distinctive modernist design features.
  • D. Pasadena Civic Center
    Pasadena Civic Center is a historic civic complex in Pasadena, California, known for its grand Beaux-Arts architecture and its role as the city's governmental and cultural hub.
  • E. Los Angeles Examiner Building
    The Los Angeles Examiner Building is a historic former newspaper headquarters in Los Angeles, California, known for its distinctive Art Deco–influenced design and association with William Randolph Hearst’s media empire.
  • 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: South Pasadena Post Office
Triple: [South Pasadena, California, hasHistoricLandmark, South Pasadena Post Office]
Generated description
The South Pasadena Post Office is a historic U.S. post office building in South Pasadena, California, recognized for its architectural and cultural significance.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: South Pasadena Post Office
Target entity description: The South Pasadena Post Office is a historic U.S. post office building in South Pasadena, California, recognized for its architectural and cultural significance.
  • A. City Hall (Pasadena)
    City Hall (Pasadena) is a historic Mediterranean Revival and Spanish Colonial Revival-style civic building in Pasadena, California, renowned for its grand dome and role as a prominent architectural landmark.
  • B. Old Pasadena
    Old Pasadena is a revitalized historic downtown district in Pasadena, California, known for its preserved 19th- and early 20th-century architecture, shopping, dining, and cultural attractions.
  • C. Pershing Square, Los Angeles
    Pershing Square, Los Angeles is a historic public park and urban plaza in downtown Los Angeles known for its central location, civic events, and distinctive modernist design features.
  • D. Pasadena Civic Center
    Pasadena Civic Center is a historic civic complex in Pasadena, California, known for its grand Beaux-Arts architecture and its role as the city's governmental and cultural hub.
  • E. Los Angeles Examiner Building
    The Los Angeles Examiner Building is a historic former newspaper headquarters in Los Angeles, California, known for its distinctive Art Deco–influenced design and association with William Randolph Hearst’s media empire.
  • 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_69d6aa9b46cc8190b19f9f0cc45bf322 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d79af911b881908168f23a4918231c completed April 9, 2026, 12:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69e42d8406988190837a16d7ad8048d1 completed April 19, 2026, 1:19 a.m.
NEDg Description generation batch_69e4374700b881908ebb185ae020487b completed April 19, 2026, 2 a.m.
NED2 Entity disambiguation (via description) batch_69e4399385c08190852c3cbd730a1f11 completed April 19, 2026, 2:10 a.m.
Created at: April 8, 2026, 9:28 p.m.