Triple

T3471554
Position Surface form Disambiguated ID Type / Status
Subject Perkiomen Creek E73270 entity
Predicate impoundedAt P44152 FINISHED
Object Green Lane Reservoir
Green Lane Reservoir is a man-made lake in Montgomery County, Pennsylvania, known for recreation, water supply, and wildlife habitat.
E369514 NE FINISHED

How this triple was built (5 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: Green Lane Reservoir | Statement: [Perkiomen Creek, impoundedAt, Green Lane Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Green Lane Reservoir
Context triple: [Perkiomen Creek, impoundedAt, Green Lane Reservoir]
  • A. East Park Reservoir
    East Park Reservoir is a man-made lake in northern California used primarily for irrigation water storage and recreation.
  • B. Boyds Corner Reservoir
    Boyds Corner Reservoir is a small New York City water supply reservoir in Putnam County, New York, that forms part of the city’s Croton watershed system.
  • C. Union Reservoir
    Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
  • D. East Head Reservoir
    East Head Reservoir is a scenic freshwater lake located within Massachusetts' Myles Standish State Forest, popular for recreation such as fishing, paddling, and wildlife viewing.
  • E. Arlington Mill Reservoir
    Arlington Mill Reservoir is a man-made lake in Salem, New Hampshire, used for water supply and recreational activities such as boating and fishing.
  • 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: Green Lane Reservoir
Triple: [Perkiomen Creek, impoundedAt, Green Lane Reservoir]
Generated description
Green Lane Reservoir is a man-made lake in Montgomery County, Pennsylvania, known for recreation, water supply, and wildlife habitat.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Green Lane Reservoir
Target entity description: Green Lane Reservoir is a man-made lake in Montgomery County, Pennsylvania, known for recreation, water supply, and wildlife habitat.
  • A. East Park Reservoir
    East Park Reservoir is a man-made lake in northern California used primarily for irrigation water storage and recreation.
  • B. Boyds Corner Reservoir
    Boyds Corner Reservoir is a small New York City water supply reservoir in Putnam County, New York, that forms part of the city’s Croton watershed system.
  • C. Union Reservoir
    Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
  • D. East Head Reservoir
    East Head Reservoir is a scenic freshwater lake located within Massachusetts' Myles Standish State Forest, popular for recreation such as fishing, paddling, and wildlife viewing.
  • E. Arlington Mill Reservoir
    Arlington Mill Reservoir is a man-made lake in Salem, New Hampshire, used for water supply and recreational activities such as boating and fishing.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: impoundedAt
Context triple: [Perkiomen Creek, impoundedAt, Green Lane Reservoir]
  • A. impoundedBy
    Indicates that an authority or agent has seized and taken legal custody of an entity, typically restricting its use or movement.
  • B. arrestedAt
    Indicates that an entity was apprehended or taken into custody at a specific location or during a specific event or time.
  • C. impounds
    Indicates the act of seizing and holding property, typically by an authority, so it is kept in custody and temporarily removed from the owner’s control.
  • D. impoundedToForm chosen
    Indicates that something (typically water) is collected and held back, usually by a barrier or structure, in order to create or form another entity such as a reservoir, lake, or pond.
  • E. evidenceSeizedAt
    Indicates that evidence was taken or confiscated at a specific location or during a particular event.
  • F. None of above.

Provenance (6 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_69ad85b2fed48190948c8765e453d270 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adbb3af0cc81909e575828caeaeae0 completed March 8, 2026, 6:08 p.m.
NED1 Entity disambiguation (via context triple) batch_69b3bb7a4e5481908322a2f0c1bf8119 completed March 13, 2026, 7:23 a.m.
NEDg Description generation batch_69b3bc556d2881908867daf93b509d74 completed March 13, 2026, 7:27 a.m.
NED2 Entity disambiguation (via description) batch_69b3f5a60fa08190acbb7257b515369a completed March 13, 2026, 11:31 a.m.
PD Predicate disambiguation batch_69adae07802c8190919c49b0e65b2797 completed March 8, 2026, 5:12 p.m.
Created at: March 8, 2026, 3:17 p.m.