Triple

T7683900
Position Surface form Disambiguated ID Type / Status
Subject Swift Rapids Lock E174063 entity
Predicate isUpstreamFrom P5955 FINISHED
Object Big Chute Marine Railway E169063 NE FINISHED

How this triple was built (3 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: Big Chute Marine Railway | Statement: [Swift Rapids Lock, isUpstreamFrom, Big Chute Marine Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Big Chute Marine Railway
Context triple: [Swift Rapids Lock, isUpstreamFrom, Big Chute Marine Railway]
  • A. Big Chute Marine Railway chosen
    Big Chute Marine Railway is a unique Canadian boat lift on the Trent–Severn Waterway that carries vessels over a steep incline between water levels using a large, rail-mounted carriage.
  • B. Oceano Train Depot and Museum
    The Oceano Train Depot and Museum is a historic railroad station in Oceano, California, preserved as a local museum showcasing the region’s rail and transportation history.
  • C. Incline Railway
    Incline Railway is a historic funicular railway in Chattanooga, Tennessee, known for its steep ascent up Lookout Mountain and its popularity as a scenic tourist attraction.
  • D. Cass Scenic Railroad
    Cass Scenic Railroad is a historic heritage railway in West Virginia that operates restored steam-driven logging trains through the mountains as a popular tourist attraction.
  • E. Chatham Railroad Museum
    The Chatham Railroad Museum is a local history museum in Chatham, Massachusetts, dedicated to preserving and interpreting the town’s railroad heritage through exhibits, artifacts, and educational displays.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: isUpstreamFrom
Context triple: [Swift Rapids Lock, isUpstreamFrom, Big Chute Marine Railway]
  • A. upstreamFrom chosen
    Indicates that one entity is located or occurs earlier in the flow or sequence relative to another, typically in a direction opposite to the main movement or progression.
  • B. isMoreRemoteThan
    Indicates that one entity is located at a greater distance or in a more out-of-the-way location compared to another entity.
  • C. usesUpstreamProject
    Indicates that one entity depends on, incorporates, or builds upon another entity as an upstream project in its development or operation.
  • D. hasUpstreamImpactOn
    Indicates that one entity’s actions, changes, or outputs affect another entity that is positioned earlier in a process, flow, or dependency chain.
  • E. situatedUpstreamOf
    Indicates that one entity is located in the direction from which a flow (such as water, traffic, or a process stream) originates relative to another entity along the same path or system.
  • F. None of above.

Provenance (4 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_69c6995840408190a19de6c51090f46f completed March 27, 2026, 2:51 p.m.
NER Named-entity recognition batch_69c7048b0b448190889bd40e0a38e51a completed March 27, 2026, 10:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8a257af0c8190ba1a2693a42b9ebe completed March 29, 2026, 3:53 a.m.
PD Predicate disambiguation batch_69c701618d3481908be84b76f36ac5a1 completed March 27, 2026, 10:14 p.m.
Created at: March 27, 2026, 4:01 p.m.