Triple

T23931702
Position Surface form Disambiguated ID Type / Status
Subject Washington/Wabash station (CTA) E602515 entity
Predicate replacedStation P20874 FINISHED
Object Madison/Wabash station (CTA)
Madison/Wabash station (CTA) was a former elevated 'L' train station in downtown Chicago’s Loop that served multiple lines before being closed and ultimately replaced by the modern Washington/Wabash station.
E1607822 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: Madison/Wabash station (CTA) | Statement: [Washington/Wabash station (CTA), replacedStation, Madison/Wabash station (CTA)]
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: Madison/Wabash station (CTA)
Triple: [Washington/Wabash station (CTA), replacedStation, Madison/Wabash station (CTA)]
Generated description
Madison/Wabash station (CTA) was a former elevated 'L' train station in downtown Chicago’s Loop that served multiple lines before being closed and ultimately replaced by the modern Washington/Wabash station.

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_69e2953b928c819095395fa87baca583 completed April 17, 2026, 8:16 p.m.
NER Named-entity recognition batch_69f1cf9c223881908e5fa4b5564848e6 completed April 29, 2026, 9:30 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0f7e6f1e288190bdd49b84f55eb47f completed May 21, 2026, 9:51 p.m.
NEDg Description generation batch_6a0f7f6d3d0c8190a408c4dee4ac1f93 completed May 21, 2026, 9:55 p.m.
NED2 Entity disambiguation (via description) batch_6a0f803e39408190b612e1bade70bac2 completed May 21, 2026, 9:59 p.m.
Created at: April 17, 2026, 8:58 p.m.