Triple

T4241839
Position Surface form Disambiguated ID Type / Status
Subject North Central Service E95430 entity
Predicate hasStation P35 FINISHED
Object Lake Villa station
Lake Villa station is a commuter rail stop in Lake Villa, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
 E433063 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: Lake Villa station | Statement: [North Central Service, hasStation, Lake Villa station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lake Villa station
Context triple: [North Central Service, hasStation, Lake Villa station]
  • A. 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.
  • B. 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.
  • C. Park Ridge station
    Park Ridge station is a commuter rail stop in Park Ridge, Illinois, serving Metra trains that connect the suburb with Chicago and surrounding areas.
  • D. Park Ridge station
    Park Ridge station is a New Jersey Transit commuter rail stop in Park Ridge, New Jersey, serving passengers on the Pascack Valley Line.
  • E. River Grove station
    River Grove station is a commuter rail stop in River Grove, Illinois, served by Metra’s North Central Service line in the Chicago metropolitan area.
  • 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: Lake Villa station
Triple: [North Central Service, hasStation, Lake Villa station]
Generated description
Lake Villa station is a commuter rail stop in Lake Villa, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lake Villa station
Target entity description: Lake Villa station is a commuter rail stop in Lake Villa, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
  • A. 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.
  • B. 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.
  • C. Park Ridge station
    Park Ridge station is a commuter rail stop in Park Ridge, Illinois, serving Metra trains that connect the suburb with Chicago and surrounding areas.
  • D. Park Ridge station
    Park Ridge station is a New Jersey Transit commuter rail stop in Park Ridge, New Jersey, serving passengers on the Pascack Valley Line.
  • E. River Grove station
    River Grove station is a commuter rail stop in River Grove, Illinois, served by Metra’s North Central Service line in the Chicago metropolitan area.
  • 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_69b3453d91548190b4d4ef8fe52aa2ac completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b34e891bc08190831187da4f553f48 completed March 12, 2026, 11:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5db80ab4481908b733572b6286b65 completed March 14, 2026, 10:04 p.m.
NEDg Description generation batch_69b5dc6a97208190b91d784285657bff completed March 14, 2026, 10:08 p.m.
NED2 Entity disambiguation (via description) batch_69b5dce749708190b9daf2c192b32de3 completed March 14, 2026, 10:10 p.m.
Created at: March 12, 2026, 11:05 p.m.