Triple

T15055014
Position Surface form Disambiguated ID Type / Status
Subject Alton Lock and Dam E379465 entity
Predicate locatedDownstreamFrom P5956 FINISHED
Object Lock and Dam No. 25
Lock and Dam No. 25 is a navigation and flood-control structure on the Upper Mississippi River that helps regulate water levels and support barge traffic.
 E1134932 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: Lock and Dam No. 25 | Statement: [Alton Lock and Dam, locatedDownstreamFrom, Lock and Dam No. 25]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lock and Dam No. 25
Context triple: [Alton Lock and Dam, locatedDownstreamFrom, Lock and Dam No. 25]
  • A. McNary Lock and Dam
    McNary Lock and Dam is a navigation lock facility integrated into the McNary Dam complex on the Columbia River, enabling river traffic to bypass the dam.
  • B. Murray Lock and Dam
    Murray Lock and Dam is a navigation and flood-control structure on the Arkansas River near Little Rock, Arkansas, that helps regulate river flow and support commercial barge traffic.
  • C. Holt Lock and Dam
    Holt Lock and Dam is a navigation and flood-control structure on the Black Warrior River in Alabama that helps regulate water levels and support commercial barge traffic.
  • D. Winfield Lock and Dam
    Winfield Lock and Dam is a navigation and flood-control structure on the Kanawha River in West Virginia that helps regulate river levels and facilitate barge traffic.
  • E. Chouteau Lock and Dam
    Chouteau Lock and Dam is a navigation and flood-control structure on the McClellan–Kerr Arkansas River Navigation System in Oklahoma.
  • 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: Lock and Dam No. 25
Triple: [Alton Lock and Dam, locatedDownstreamFrom, Lock and Dam No. 25]
Generated description
Lock and Dam No. 25 is a navigation and flood-control structure on the Upper Mississippi River that helps regulate water levels and support barge traffic.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lock and Dam No. 25
Target entity description: Lock and Dam No. 25 is a navigation and flood-control structure on the Upper Mississippi River that helps regulate water levels and support barge traffic.
  • A. McNary Lock and Dam
    McNary Lock and Dam is a navigation lock facility integrated into the McNary Dam complex on the Columbia River, enabling river traffic to bypass the dam.
  • B. Murray Lock and Dam
    Murray Lock and Dam is a navigation and flood-control structure on the Arkansas River near Little Rock, Arkansas, that helps regulate river flow and support commercial barge traffic.
  • C. Holt Lock and Dam
    Holt Lock and Dam is a navigation and flood-control structure on the Black Warrior River in Alabama that helps regulate water levels and support commercial barge traffic.
  • D. Winfield Lock and Dam
    Winfield Lock and Dam is a navigation and flood-control structure on the Kanawha River in West Virginia that helps regulate river levels and facilitate barge traffic.
  • E. Chouteau Lock and Dam
    Chouteau Lock and Dam is a navigation and flood-control structure on the McClellan–Kerr Arkansas River Navigation System in Oklahoma.
  • 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_69d85cd64d108190853797a95c11cc45 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69deda92091c81909180f486edf01405 completed April 15, 2026, 12:23 a.m.
NED1 Entity disambiguation (via context triple) batch_69fea5c11fb4819086c4b85a8d29ccf7 completed May 9, 2026, 3:10 a.m.
NEDg Description generation batch_69fea70a10b88190aac09e3b690afa6f completed May 9, 2026, 3:16 a.m.
NED2 Entity disambiguation (via description) batch_69fea82a80888190bbb0de39a8959a6e completed May 9, 2026, 3:21 a.m.
Created at: April 10, 2026, 3:01 a.m.