Triple

T12901134
Position Surface form Disambiguated ID Type / Status
Subject Lost Lake Loop Trail E308613 entity
Predicate encircles P1393 FINISHED
Object Lost Lake
Lost Lake is a scenic mountain lake popular for hiking, fishing, and camping, often featured as the centerpiece of the Lost Lake Loop Trail.
E63798 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Lost Lake | Statement: [Lost Lake Loop Trail, encircles, Lost Lake]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lost Lake
Context triple: [Lost Lake Loop Trail, encircles, Lost Lake]
  • A. Lost Lake
    Lost Lake is a scenic alpine lake and recreation area near Whistler, British Columbia, popular for its hiking and biking trails, swimming, and picturesque mountain views.
  • B. Lost Lake
    Lost Lake is a scenic alpine lake in Oregon renowned for its clear waters, forested shoreline, and iconic views of nearby Mount Hood.
  • C. Lost Lake Road
    Lost Lake Road is a scenic access route in Hood River County, Oregon, leading through forested terrain to the popular recreational area of Lost Lake in the Mount Hood region.
  • D. Eden Lake
    Eden Lake is a 2008 British horror-thriller film about a couple’s countryside getaway that turns into a brutal fight for survival against a group of violent youths.
  • E. Lost Lagoon
    Lost Lagoon is a scenic artificial lake and wildlife habitat located at the edge of Vancouver’s Stanley Park, popular for walking, birdwatching, and city skyline views.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lost Lake
Target entity description: Lost Lake is a scenic mountain lake popular for hiking, fishing, and camping, often featured as the centerpiece of the Lost Lake Loop Trail.
  • A. Lost Lake chosen
    Lost Lake is a scenic alpine lake in Oregon renowned for its clear waters, forested shoreline, and iconic views of nearby Mount Hood.
  • B. Lost Lake
    Lost Lake is a scenic alpine lake and recreation area near Whistler, British Columbia, popular for its hiking and biking trails, swimming, and picturesque mountain views.
  • C. Lost Lake Road
    Lost Lake Road is a scenic access route in Hood River County, Oregon, leading through forested terrain to the popular recreational area of Lost Lake in the Mount Hood region.
  • D. Eden Lake
    Eden Lake is a 2008 British horror-thriller film about a couple’s countryside getaway that turns into a brutal fight for survival against a group of violent youths.
  • E. Lost Lagoon
    Lost Lagoon is a scenic artificial lake and wildlife habitat located at the edge of Vancouver’s Stanley Park, popular for walking, birdwatching, and city skyline views.
  • F. None of above.

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Lost Lake
Triple: [Lost Lake Loop Trail, encircles, Lost Lake]
Generated description
Lost Lake is a scenic mountain lake popular for hiking, fishing, and camping, often featured as the centerpiece of the Lost Lake Loop Trail.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d7bdf7c1f0819098102569a8d8cbf5 elicitation completed
NER batch_69d97180ee708190b60a3e58c42f764f ner completed
NED1 batch_69f6af59f3cc81908c99bcde43e724e6 ned_source_triple completed
NED2 batch_69f6b11ced30819090f67a0b1e1369aa ned_description completed
NEDg batch_69f6b02e3b9881909387c1f70176a1bd nedg completed
Created at: April 9, 2026, 5:40 p.m.