Triple

T1779592
Position Surface form Disambiguated ID Type / Status
Subject Cacapon River E39258 entity
Predicate hasTributary P415 FINISHED
Object Lost River
Lost River is a largely subterranean river in West Virginia known for disappearing underground and reemerging as the Cacapon River.
 E199814 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: Lost River | Statement: [Cacapon River, hasTributary, Lost River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lost River
Context triple: [Cacapon River, hasTributary, Lost River]
  • A. Looking Glass River
    The Looking Glass River is a scenic mid-Michigan waterway known for its meandering course through rural landscapes and its popularity for canoeing, kayaking, and fishing.
  • B. Broken Trail
    Broken Trail is a 2006 Western miniseries that follows an aging cowboy and his estranged nephew as they escort a herd of horses and rescue a group of Chinese women in the American West.
  • C. 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.
  • D. Wild River
    Wild River is a 1960 American drama film about a Tennessee Valley Authority agent’s clash with a stubborn matriarch over land expropriation during the New Deal era.
  • E. The Woods
    The Woods is a residential neighborhood within the planned community of Burke Centre in Fairfax County, Virginia.
  • 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: Lost River
Triple: [Cacapon River, hasTributary, Lost River]
Generated description
Lost River is a largely subterranean river in West Virginia known for disappearing underground and reemerging as the Cacapon River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lost River
Target entity description: Lost River is a largely subterranean river in West Virginia known for disappearing underground and reemerging as the Cacapon River.
  • A. Looking Glass River
    The Looking Glass River is a scenic mid-Michigan waterway known for its meandering course through rural landscapes and its popularity for canoeing, kayaking, and fishing.
  • B. Broken Trail
    Broken Trail is a 2006 Western miniseries that follows an aging cowboy and his estranged nephew as they escort a herd of horses and rescue a group of Chinese women in the American West.
  • C. 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.
  • D. Wild River
    Wild River is a 1960 American drama film about a Tennessee Valley Authority agent’s clash with a stubborn matriarch over land expropriation during the New Deal era.
  • E. The Woods
    The Woods is a residential neighborhood within the planned community of Burke Centre in Fairfax County, Virginia.
  • 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_69a88630519c8190a17addd83c4a3ef4 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69aa64e07bd081908e442c1004cdad61 completed March 6, 2026, 5:23 a.m.
NED1 Entity disambiguation (via context triple) batch_69ada99d12f88190a9daec1b7dd64e67 completed March 8, 2026, 4:53 p.m.
NEDg Description generation batch_69adab04b5688190afb3418e9b9da845 completed March 8, 2026, 4:59 p.m.
NED2 Entity disambiguation (via description) batch_69adaeaf81e881908f99f5d948e3557b completed March 8, 2026, 5:15 p.m.
Created at: March 4, 2026, 7:31 p.m.