Triple

T19953875
Position Surface form Disambiguated ID Type / Status
Subject Mission Trails Regional Park E479632 entity
Predicate hasFeature P182 FINISHED
Object Old Mission Dam
Old Mission Dam is a historic 19th-century stone and masonry dam in San Diego, California, built by Spanish missionaries to supply water to Mission San Diego de Alcalá and now preserved as a cultural landmark within Mission Trails Regional Park.
 E1548869 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: Old Mission Dam | Statement: [Mission Trails Regional Park, hasFeature, Old Mission Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Old Mission Dam
Context triple: [Mission Trails Regional Park, hasFeature, Old Mission Dam]
  • A. Cascade Dam
    Cascade Dam is a hydroelectric and irrigation dam located on the Payette River in central Idaho, forming Lake Cascade as a major regional reservoir.
  • B. Cascade Dam
    Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
  • C. Arrow Dam
    Arrow Dam, formally known as Keenleyside Dam, is a large hydroelectric and flood-control dam on the Columbia River in British Columbia, Canada.
  • D. Red Rock Dam
    Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
  • E. Anderson Dam
    Anderson Dam is an earthen embankment dam in Santa Clara County, California, that impounds Anderson Lake for water storage and flood control.
  • 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: Old Mission Dam
Triple: [Mission Trails Regional Park, hasFeature, Old Mission Dam]
Generated description
Old Mission Dam is a historic 19th-century stone and masonry dam in San Diego, California, built by Spanish missionaries to supply water to Mission San Diego de Alcalá and now preserved as a cultural landmark within Mission Trails Regional Park.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Old Mission Dam
Target entity description: Old Mission Dam is a historic 19th-century stone and masonry dam in San Diego, California, built by Spanish missionaries to supply water to Mission San Diego de Alcalá and now preserved as a cultural landmark within Mission Trails Regional Park.
  • A. Cascade Dam
    Cascade Dam is a hydroelectric and irrigation dam located on the Payette River in central Idaho, forming Lake Cascade as a major regional reservoir.
  • B. Cascade Dam
    Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
  • C. Arrow Dam
    Arrow Dam, formally known as Keenleyside Dam, is a large hydroelectric and flood-control dam on the Columbia River in British Columbia, Canada.
  • D. Red Rock Dam
    Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
  • E. Anderson Dam
    Anderson Dam is an earthen embankment dam in Santa Clara County, California, that impounds Anderson Lake for water storage and flood control.
  • 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_69d8e522a17c819095165d4d24939fd8 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e65aef16588190b3a40a3d49ef5080 completed April 20, 2026, 4:57 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0b73cba8a481908fe119e5dccf260d completed May 18, 2026, 8:17 p.m.
NEDg Description generation batch_6a0b760efc9081908d0e32b82fa341b2 completed May 18, 2026, 8:26 p.m.
NED2 Entity disambiguation (via description) batch_6a0b768dc11c81908c3f6e7b7d7abba7 completed May 18, 2026, 8:29 p.m.
Created at: April 10, 2026, 1:54 p.m.