Triple

T25358163
Position Surface form Disambiguated ID Type / Status
Subject Waterloo, Iowa E635878 entity
Predicate hasRailService P782 FINISHED
Object Iowa Northern Railway
Iowa Northern Railway is a regional freight railroad operating in Iowa, providing rail service that connects agricultural and industrial shippers to the national rail network.
E1675432 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: Iowa Northern Railway | Statement: [Waterloo, Iowa, hasRailService, Iowa Northern Railway]
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: Iowa Northern Railway
Triple: [Waterloo, Iowa, hasRailService, Iowa Northern Railway]
Generated description
Iowa Northern Railway is a regional freight railroad operating in Iowa, providing rail service that connects agricultural and industrial shippers to the national rail network.

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_69e75a9b7cf481909f2dcdfb37d95ca7 completed April 21, 2026, 11:08 a.m.
NER Named-entity recognition batch_69f49e032b2c81908b45957958a81440 completed May 1, 2026, 12:35 p.m.
NED1 Entity disambiguation (via context triple) batch_6a1075ff65588190a26ead435750dafa completed May 22, 2026, 3:27 p.m.
NEDg Description generation batch_6a1076991b208190945d037fd9eef5f2 completed May 22, 2026, 3:30 p.m.
NED2 Entity disambiguation (via description) batch_6a1077b79abc819099f92e2e2cc19c5d completed May 22, 2026, 3:35 p.m.
Created at: April 21, 2026, 1:36 p.m.