Triple

T2918998
Position Surface form Disambiguated ID Type / Status
Subject Hanford Reach National Monument E78674 entity
Predicate namedAfter P63 FINISHED
Object Hanford Reach
Hanford Reach is the last free-flowing, non-tidal stretch of the Columbia River in the United States, known for its rich wildlife habitat and historical significance.
E78674 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: Hanford Reach | Statement: [Hanford Reach National Monument, namedAfter, Hanford Reach]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hanford Reach
Context triple: [Hanford Reach National Monument, namedAfter, Hanford Reach]
  • A. Hanford Reach National Monument
    Hanford Reach National Monument is a protected area in south-central Washington State known for its free-flowing stretch of the Columbia River, shrub-steppe habitat, and preserved Cold War–era Hanford nuclear site lands.
  • B. Mokelumne River area
    The Mokelumne River area is a region of central California traditionally inhabited and culturally shaped by the Plains Miwok people.
  • C. Oxbow Dam
    Oxbow Dam is a hydroelectric dam on the Snake River in eastern Oregon, forming Oxbow Reservoir as part of the Hells Canyon Complex.
  • D. Grand Coulee, Washington
    Grand Coulee, Washington is a small city in north-central Washington state best known as the community adjacent to and serving the massive Grand Coulee Dam on the Columbia River.
  • E. Second Narrows
    Second Narrows is a geographic strait or narrow water passage, known in Spanish as "Segunda Angostura," typically referring to a constricted section of a larger waterway.
  • 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: Hanford Reach
Triple: [Hanford Reach National Monument, namedAfter, Hanford Reach]
Generated description
Hanford Reach is the last free-flowing, non-tidal stretch of the Columbia River in the United States, known for its rich wildlife habitat and historical significance.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hanford Reach
Target entity description: Hanford Reach is the last free-flowing, non-tidal stretch of the Columbia River in the United States, known for its rich wildlife habitat and historical significance.
  • A. Hanford Reach National Monument chosen
    Hanford Reach National Monument is a protected area in south-central Washington State known for its free-flowing stretch of the Columbia River, shrub-steppe habitat, and preserved Cold War–era Hanford nuclear site lands.
  • B. Mokelumne River area
    The Mokelumne River area is a region of central California traditionally inhabited and culturally shaped by the Plains Miwok people.
  • C. Oxbow Dam
    Oxbow Dam is a hydroelectric dam on the Snake River in eastern Oregon, forming Oxbow Reservoir as part of the Hells Canyon Complex.
  • D. Grand Coulee, Washington
    Grand Coulee, Washington is a small city in north-central Washington state best known as the community adjacent to and serving the massive Grand Coulee Dam on the Columbia River.
  • E. Second Narrows
    Second Narrows is a geographic strait or narrow water passage, known in Spanish as "Segunda Angostura," typically referring to a constricted section of a larger waterway.
  • F. None of above.

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_69ad8b0c2ad081909ff87050ae542bb9 completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad96a53f8c8190b188d549f1161e84 completed March 8, 2026, 3:32 p.m.
NED1 Entity disambiguation (via context triple) batch_69b0562fc5f081909c9130f71f379a24 completed March 10, 2026, 5:34 p.m.
NEDg Description generation batch_69b06117ba088190886fa464f54525cd completed March 10, 2026, 6:21 p.m.
NED2 Entity disambiguation (via description) batch_69b0628d5f608190b7a13ac2e8b8d721 completed March 10, 2026, 6:27 p.m.
Created at: March 8, 2026, 2:54 p.m.