Triple

T12816886
Position Surface form Disambiguated ID Type / Status
Subject Ludlow, Massachusetts E306424 entity
Predicate hasRecreationArea P5383 FINISHED
Object Ludlow Reservoir
Ludlow Reservoir is a scenic water body in Ludlow, Massachusetts, known for its surrounding natural areas that offer outdoor recreation such as walking, fishing, and wildlife viewing.
E1034796 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: Ludlow Reservoir | Statement: [Ludlow, Massachusetts, hasRecreationArea, Ludlow Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ludlow Reservoir
Context triple: [Ludlow, Massachusetts, hasRecreationArea, Ludlow Reservoir]
  • A. Valehouse Reservoir
    Valehouse Reservoir is a man-made water storage lake in the Longdendale valley of Derbyshire, England, forming part of the chain of reservoirs supplying water to the Greater Manchester area.
  • B. Union Reservoir
    Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
  • C. Fells Reservoir
    Fells Reservoir is a man-made water body in Massachusetts that serves as part of the regional water supply and recreational landscape within the Middlesex Fells Reservation.
  • D. Goodwin Reservoir
    Goodwin Reservoir is a man-made water storage lake on the Stanislaus River in California, used primarily for irrigation, water supply, and recreation.
  • E. E. V. Spence Reservoir
    E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
  • 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: Ludlow Reservoir
Triple: [Ludlow, Massachusetts, hasRecreationArea, Ludlow Reservoir]
Generated description
Ludlow Reservoir is a scenic water body in Ludlow, Massachusetts, known for its surrounding natural areas that offer outdoor recreation such as walking, fishing, and wildlife viewing.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ludlow Reservoir
Target entity description: Ludlow Reservoir is a scenic water body in Ludlow, Massachusetts, known for its surrounding natural areas that offer outdoor recreation such as walking, fishing, and wildlife viewing.
  • A. Valehouse Reservoir
    Valehouse Reservoir is a man-made water storage lake in the Longdendale valley of Derbyshire, England, forming part of the chain of reservoirs supplying water to the Greater Manchester area.
  • B. Union Reservoir
    Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
  • C. Fells Reservoir
    Fells Reservoir is a man-made water body in Massachusetts that serves as part of the regional water supply and recreational landscape within the Middlesex Fells Reservation.
  • D. Goodwin Reservoir
    Goodwin Reservoir is a man-made water storage lake on the Stanislaus River in California, used primarily for irrigation, water supply, and recreation.
  • E. E. V. Spence Reservoir
    E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
  • 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_69d7bdf46c448190b1faa55aaacb6317 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96e9d00088190ac0f5d60e1de7a7c completed April 10, 2026, 9:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69f71f0a5a58819082111550a65a04b9 completed May 3, 2026, 10:10 a.m.
NEDg Description generation batch_69f720861728819088bc43753d19bef8 completed May 3, 2026, 10:16 a.m.
NED2 Entity disambiguation (via description) batch_69f7212ca3f48190915d73f987ec60d2 completed May 3, 2026, 10:19 a.m.
Created at: April 9, 2026, 5:31 p.m.