Triple

T14580925
Position Surface form Disambiguated ID Type / Status
Subject Lake Del Valle E342188 entity
Predicate formedByDam P25354 FINISHED
Object Del Valle Dam
Del Valle Dam is a major earthfill dam in Alameda County, California, that creates Lake Del Valle for water storage, flood control, and recreation.
 E1127796 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: Del Valle Dam | Statement: [Lake Del Valle, formedByDam, Del Valle Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Del Valle Dam
Context triple: [Lake Del Valle, formedByDam, Del Valle Dam]
  • A. Escaba Dam
    Escaba Dam is a hydroelectric and irrigation dam located on the Salí River in Tucumán Province, Argentina.
  • B. Don Pedro Dam
    Don Pedro Dam is a major embankment dam on the Tuolumne River in California, forming Don Pedro Reservoir and serving as a key source of water storage, hydroelectric power, and recreation in the region.
  • C. La Boquilla Dam
    La Boquilla Dam is a large masonry gravity dam and hydroelectric facility on the Rio Conchos in Chihuahua, Mexico, used primarily for irrigation, power generation, and flood control.
  • D. Camanche Dam
    Camanche Dam is a large earth-fill dam in California that creates Camanche Reservoir on the Mokelumne River for water storage, flood control, and recreation.
  • E. El Carrizal Dam
    El Carrizal Dam is a major irrigation and recreational reservoir in Mendoza Province, Argentina, known for regulating regional water resources and supporting local agriculture and tourism.
  • 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: Del Valle Dam
Triple: [Lake Del Valle, formedByDam, Del Valle Dam]
Generated description
Del Valle Dam is a major earthfill dam in Alameda County, California, that creates Lake Del Valle for water storage, flood control, and recreation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Del Valle Dam
Target entity description: Del Valle Dam is a major earthfill dam in Alameda County, California, that creates Lake Del Valle for water storage, flood control, and recreation.
  • A. Escaba Dam
    Escaba Dam is a hydroelectric and irrigation dam located on the Salí River in Tucumán Province, Argentina.
  • B. Don Pedro Dam
    Don Pedro Dam is a major embankment dam on the Tuolumne River in California, forming Don Pedro Reservoir and serving as a key source of water storage, hydroelectric power, and recreation in the region.
  • C. La Boquilla Dam
    La Boquilla Dam is a large masonry gravity dam and hydroelectric facility on the Rio Conchos in Chihuahua, Mexico, used primarily for irrigation, power generation, and flood control.
  • D. Camanche Dam
    Camanche Dam is a large earth-fill dam in California that creates Camanche Reservoir on the Mokelumne River for water storage, flood control, and recreation.
  • E. El Carrizal Dam
    El Carrizal Dam is a major irrigation and recreational reservoir in Mendoza Province, Argentina, known for regulating regional water resources and supporting local agriculture and tourism.
  • 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_69d822ddc0f081909cd8163c7de298cd completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69deb41e71748190a1deacc819dd26d3 completed April 14, 2026, 9:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69fe7e7772508190bee1eb310aa40372 completed May 9, 2026, 12:23 a.m.
NEDg Description generation batch_69fe7f9ea5848190af5edd6d2d22c117 completed May 9, 2026, 12:28 a.m.
NED2 Entity disambiguation (via description) batch_69fe7ff91dec8190aa9f0d42a8cd00e0 completed May 9, 2026, 12:29 a.m.
Created at: April 10, 2026, 1:24 a.m.