Triple

T15411736
Position Surface form Disambiguated ID Type / Status
Subject Marseilles Lock and Dam E368609 entity
Predicate connectedTo P37 FINISHED
Object downstream Starved Rock Lock and Dam
The downstream Starved Rock Lock and Dam is a navigation and flood-control structure on the Illinois River near Starved Rock State Park, helping manage river levels and barge traffic in north-central Illinois.
E1156876 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: downstream Starved Rock Lock and Dam | Statement: [Marseilles Lock and Dam, connectedTo, downstream Starved Rock Lock and Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: downstream Starved Rock Lock and Dam
Context triple: [Marseilles Lock and Dam, connectedTo, downstream Starved Rock Lock and Dam]
  • A. Dardanelle Lock and Dam
    Dardanelle Lock and Dam is a major navigation and hydroelectric structure on the Arkansas River in Arkansas, forming part of the McClellan–Kerr Arkansas River Navigation System.
  • B. 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.
  • C. Webbers Falls Lock and Dam
    Webbers Falls Lock and Dam is a navigation and flood-control structure on the Arkansas River in Oklahoma that forms part of the McClellan–Kerr Arkansas River Navigation System.
  • D. Chain of Rocks Lock and Dam
    Chain of Rocks Lock and Dam is a Mississippi River navigation structure near St. Louis, Missouri, designed to maintain a navigable channel and manage river traffic and water levels.
  • E. 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.
  • 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: downstream Starved Rock Lock and Dam
Triple: [Marseilles Lock and Dam, connectedTo, downstream Starved Rock Lock and Dam]
Generated description
The downstream Starved Rock Lock and Dam is a navigation and flood-control structure on the Illinois River near Starved Rock State Park, helping manage river levels and barge traffic in north-central Illinois.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: downstream Starved Rock Lock and Dam
Target entity description: The downstream Starved Rock Lock and Dam is a navigation and flood-control structure on the Illinois River near Starved Rock State Park, helping manage river levels and barge traffic in north-central Illinois.
  • A. Dardanelle Lock and Dam
    Dardanelle Lock and Dam is a major navigation and hydroelectric structure on the Arkansas River in Arkansas, forming part of the McClellan–Kerr Arkansas River Navigation System.
  • B. 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.
  • C. Webbers Falls Lock and Dam
    Webbers Falls Lock and Dam is a navigation and flood-control structure on the Arkansas River in Oklahoma that forms part of the McClellan–Kerr Arkansas River Navigation System.
  • D. Chain of Rocks Lock and Dam
    Chain of Rocks Lock and Dam is a Mississippi River navigation structure near St. Louis, Missouri, designed to maintain a navigable channel and manage river traffic and water levels.
  • E. 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.
  • 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_69d85a16c68c819099c1b547fbc87b32 completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03ea600b48190a3dbca1a68a2a1cd completed April 16, 2026, 1:43 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff1a754d1881909ed322479bab460d completed May 9, 2026, 11:28 a.m.
NEDg Description generation batch_69ff1b82a5e08190a906828a08c9ae93 completed May 9, 2026, 11:33 a.m.
NED2 Entity disambiguation (via description) batch_69ff1f60e5888190a0271c9d55c5e3d8 completed May 9, 2026, 11:49 a.m.
Created at: April 10, 2026, 3:20 a.m.