Triple

T25033110
Position Surface form Disambiguated ID Type / Status
Subject Metra Milwaukee District E626903 entity
Predicate lineDesignation P5539 FINISHED
Object Milwaukee District West
Milwaukee District West is a Metra commuter rail line serving Chicago and its western suburbs, providing passenger service between Chicago Union Station and communities in DuPage and Kane counties.
E1666105 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: Milwaukee District West | Statement: [Metra Milwaukee District, lineDesignation, Milwaukee District West]
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: Milwaukee District West
Triple: [Metra Milwaukee District, lineDesignation, Milwaukee District West]
Generated description
Milwaukee District West is a Metra commuter rail line serving Chicago and its western suburbs, providing passenger service between Chicago Union Station and communities in DuPage and Kane counties.

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_69e2ff2a2c088190be513727ee8bfe78 completed April 18, 2026, 3:48 a.m.
NER Named-entity recognition batch_69f44f71778c8190ab36b2e6faf98056 completed May 1, 2026, 7 a.m.
NED1 Entity disambiguation (via context triple) batch_6a105ce2dee88190be60839c743aa317 completed May 22, 2026, 1:40 p.m.
NEDg Description generation batch_6a105d875860819084ade4a9bf296627 completed May 22, 2026, 1:43 p.m.
NED2 Entity disambiguation (via description) batch_6a105ed8d78c81908eb3648c65de38b1 completed May 22, 2026, 1:49 p.m.
Created at: April 18, 2026, 6:07 a.m.