Triple

T10077333
Position Surface form Disambiguated ID Type / Status
Subject Grayslake, Illinois E213801 entity
Predicate hasTrainStation P918 FINISHED
Object Grayslake station
Grayslake station is a commuter rail stop in Grayslake, Illinois, serving passengers on Metra’s Milwaukee District/North Line.
 E838428 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: Grayslake station | Statement: [Grayslake, Illinois, hasTrainStation, Grayslake station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Grayslake station
Context triple: [Grayslake, Illinois, hasTrainStation, Grayslake station]
  • A. Glenbrook station
    Glenbrook station is a commuter rail stop in Stamford, Connecticut, served by Metro-North Railroad’s New Canaan Branch.
  • B. Glenview station
    Glenview station is a commuter rail station in Glenview, Illinois, serving as a stop for Metra and Amtrak trains in the Chicago metropolitan area.
  • C. Mundelein station
    Mundelein station is a commuter rail stop in Mundelein, Illinois, serving passengers on Metra’s North Central Service line between Chicago and its northern suburbs.
  • D. Waukegan station
    Waukegan station is a commuter rail station in Waukegan, Illinois, serving as a key stop and northern terminus for many Metra Union Pacific North Line trains between Chicago and the northern suburbs.
  • E. Vernon Hills station
    Vernon Hills station is a commuter rail stop in Vernon Hills, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
  • 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: Grayslake station
Triple: [Grayslake, Illinois, hasTrainStation, Grayslake station]
Generated description
Grayslake station is a commuter rail stop in Grayslake, Illinois, serving passengers on Metra’s Milwaukee District/North Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Grayslake station
Target entity description: Grayslake station is a commuter rail stop in Grayslake, Illinois, serving passengers on Metra’s Milwaukee District/North Line.
  • A. Glenbrook station
    Glenbrook station is a commuter rail stop in Stamford, Connecticut, served by Metro-North Railroad’s New Canaan Branch.
  • B. Glenview station
    Glenview station is a commuter rail station in Glenview, Illinois, serving as a stop for Metra and Amtrak trains in the Chicago metropolitan area.
  • C. Mundelein station
    Mundelein station is a commuter rail stop in Mundelein, Illinois, serving passengers on Metra’s North Central Service line between Chicago and its northern suburbs.
  • D. Waukegan station
    Waukegan station is a commuter rail station in Waukegan, Illinois, serving as a key stop and northern terminus for many Metra Union Pacific North Line trains between Chicago and the northern suburbs.
  • E. Vernon Hills station
    Vernon Hills station is a commuter rail stop in Vernon Hills, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
  • 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_69ca839bf730819086900c323c9b8c95 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cdd02f47e08190bfeb641b202beecc completed April 2, 2026, 2:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69d29ad05bbc8190b103d66c9e786c86 completed April 5, 2026, 5:24 p.m.
NEDg Description generation batch_69d29ba6bf6c8190a5eb9fd5f8b6fcb3 completed April 5, 2026, 5:28 p.m.
NED2 Entity disambiguation (via description) batch_69d29c7e1f0c8190890b1f4a245006a4 completed April 5, 2026, 5:31 p.m.
Created at: March 30, 2026, 8:59 p.m.