Triple

T4640854
Position Surface form Disambiguated ID Type / Status
Subject Crystal Lake, Illinois E101650 entity
Predicate hasRailwayStation P918 FINISHED
Object Crystal Lake station
Crystal Lake station is a commuter rail stop in Crystal Lake, Illinois, serving Metra’s Union Pacific Northwest Line to and from Chicago.
 E457746 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: Crystal Lake station | Statement: [Crystal Lake, Illinois, hasRailwayStation, Crystal Lake station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Crystal Lake station
Context triple: [Crystal Lake, Illinois, hasRailwayStation, Crystal Lake station]
  • A. Lake station
    Lake station is a Chicago 'L' rapid transit station on the Loop, serving as a key stop in the city's downtown elevated rail system.
  • B. Big Lake station
    Big Lake station is a commuter rail station in Big Lake, Minnesota, serving as the northern endpoint of the Northstar Line connecting to the Minneapolis–Saint Paul metropolitan area.
  • C. Angle Lake Station
    Angle Lake Station is an elevated Sound Transit Link light rail station in SeaTac, Washington, serving as the southern terminus of the 1 Line near Seattle–Tacoma International Airport.
  • D. Bethesda station
    Bethesda station is an underground Washington Metro station in Bethesda, Maryland, serving the Red Line and the surrounding downtown commercial district.
  • E. Round Lake Beach station
    Round Lake Beach station is a commuter rail station in Round Lake Beach, 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: Crystal Lake station
Triple: [Crystal Lake, Illinois, hasRailwayStation, Crystal Lake station]
Generated description
Crystal Lake station is a commuter rail stop in Crystal Lake, Illinois, serving Metra’s Union Pacific Northwest Line to and from Chicago.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Crystal Lake station
Target entity description: Crystal Lake station is a commuter rail stop in Crystal Lake, Illinois, serving Metra’s Union Pacific Northwest Line to and from Chicago.
  • A. Lake station
    Lake station is a Chicago 'L' rapid transit station on the Loop, serving as a key stop in the city's downtown elevated rail system.
  • B. Big Lake station
    Big Lake station is a commuter rail station in Big Lake, Minnesota, serving as the northern endpoint of the Northstar Line connecting to the Minneapolis–Saint Paul metropolitan area.
  • C. Angle Lake Station
    Angle Lake Station is an elevated Sound Transit Link light rail station in SeaTac, Washington, serving as the southern terminus of the 1 Line near Seattle–Tacoma International Airport.
  • D. Bethesda station
    Bethesda station is an underground Washington Metro station in Bethesda, Maryland, serving the Red Line and the surrounding downtown commercial district.
  • E. Round Lake Beach station
    Round Lake Beach station is a commuter rail station in Round Lake Beach, 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_69bd43d3bc7c81908f81fcf380476b0f completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd5a8fbd2c8190b593cd46ce8dfe0f completed March 20, 2026, 2:32 p.m.
NED1 Entity disambiguation (via context triple) batch_69bdfad2fa588190aa2206ad987c5d70 completed March 21, 2026, 1:56 a.m.
NEDg Description generation batch_69bdfbc12acc8190b8116a6003abb3e3 completed March 21, 2026, 2 a.m.
NED2 Entity disambiguation (via description) batch_69bdfc44536c8190a71e52b0690a7570 completed March 21, 2026, 2:02 a.m.
Created at: March 20, 2026, 1:14 p.m.