Triple

T25322272
Position Surface form Disambiguated ID Type / Status
Subject Sumpter Valley Railroad (heritage railway) E634915 entity
Predicate terminus P388 FINISHED
Object McEwen, Oregon
McEwen, Oregon is a small unincorporated community in Baker County best known today as the eastern terminus and visitor hub of the historic Sumpter Valley Railroad heritage line.
E1683991 NE FINISHED

How this triple was built (2 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: McEwen, Oregon | Statement: [Sumpter Valley Railroad (heritage railway), terminus, McEwen, Oregon]
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: McEwen, Oregon
Triple: [Sumpter Valley Railroad (heritage railway), terminus, McEwen, Oregon]
Generated description
McEwen, Oregon is a small unincorporated community in Baker County best known today as the eastern terminus and visitor hub of the historic Sumpter Valley Railroad heritage line.

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_69e75a9908108190a95427a97020632a completed April 21, 2026, 11:08 a.m.
NER Named-entity recognition batch_69f4969035ac8190a35a8f6c4e4685a7 completed May 1, 2026, 12:03 p.m.
NED1 Entity disambiguation (via context triple) batch_6a10ad4a0de48190827fefdeba01d297 completed May 22, 2026, 7:23 p.m.
NEDg Description generation batch_6a10ae7ea0088190bdefa7c31fe2859d completed May 22, 2026, 7:29 p.m.
NED2 Entity disambiguation (via description) batch_6a10af62078481908759f9df2167d81f completed May 22, 2026, 7:32 p.m.
Created at: April 21, 2026, 1:29 p.m.