Triple

T142164
Position Surface form Disambiguated ID Type / Status
Subject Arlington National Cemetery E2876 entity
Predicate contains P35 FINISHED
Object Memorial Amphitheater
Memorial Amphitheater is a grand ceremonial structure at Arlington National Cemetery that serves as a central site for national memorial services and military honors, including those at the Tomb of the Unknown Soldier.
 E26180 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: Memorial Amphitheater | Statement: [Arlington National Cemetery, contains, Memorial Amphitheater]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Memorial Amphitheater
Context triple: [Arlington National Cemetery, contains, Memorial Amphitheater]
  • A. Hollywood Bowl
    The Hollywood Bowl is a famous open-air amphitheater in Los Angeles renowned for its iconic band shell and major concerts and cultural events.
  • B. Schaefer Stadium
    Schaefer Stadium was an outdoor football stadium in Foxborough, Massachusetts, best known as the longtime home of the New England Patriots before the construction of Gillette Stadium.
  • C. RFK Stadium
    RFK Stadium is a multi-purpose sports venue in Washington, D.C., historically known for hosting Major League Baseball, NFL, and soccer games as well as major events and concerts.
  • D. California Memorial Stadium
    California Memorial Stadium is the historic on-campus football stadium of the University of California, Berkeley, known as the home of the California Golden Bears.
  • E. Haas Pavilion
    Haas Pavilion is an indoor sports arena on the University of California, Berkeley campus that primarily hosts the Golden Bears’ basketball and other athletic events.
  • 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: Memorial Amphitheater
Triple: [Arlington National Cemetery, contains, Memorial Amphitheater]
Generated description
Memorial Amphitheater is a grand ceremonial structure at Arlington National Cemetery that serves as a central site for national memorial services and military honors, including those at the Tomb of the Unknown Soldier.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Memorial Amphitheater
Target entity description: Memorial Amphitheater is a grand ceremonial structure at Arlington National Cemetery that serves as a central site for national memorial services and military honors, including those at the Tomb of the Unknown Soldier.
  • A. Hollywood Bowl
    The Hollywood Bowl is a famous open-air amphitheater in Los Angeles renowned for its iconic band shell and major concerts and cultural events.
  • B. Schaefer Stadium
    Schaefer Stadium was an outdoor football stadium in Foxborough, Massachusetts, best known as the longtime home of the New England Patriots before the construction of Gillette Stadium.
  • C. RFK Stadium
    RFK Stadium is a multi-purpose sports venue in Washington, D.C., historically known for hosting Major League Baseball, NFL, and soccer games as well as major events and concerts.
  • D. California Memorial Stadium
    California Memorial Stadium is the historic on-campus football stadium of the University of California, Berkeley, known as the home of the California Golden Bears.
  • E. Haas Pavilion
    Haas Pavilion is an indoor sports arena on the University of California, Berkeley campus that primarily hosts the Golden Bears’ basketball and other athletic events.
  • 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_69a2521e35c08190b28e5c9f1e3c9b59 completed Feb. 28, 2026, 2:25 a.m.
NER Named-entity recognition batch_69a257c9cab8819095e8d9fa32c1fbc6 completed Feb. 28, 2026, 2:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69a32bc3efbc8190831cb527c122ac59 completed Feb. 28, 2026, 5:54 p.m.
NEDg Description generation batch_69a32d0fbc048190b01b3c2861c78ea3 completed Feb. 28, 2026, 5:59 p.m.
NED2 Entity disambiguation (via description) batch_69a32d5b05588190a67be5d0df28763f completed Feb. 28, 2026, 6 p.m.
Created at: Feb. 28, 2026, 2:31 a.m.