Triple

T13441382
Position Surface form Disambiguated ID Type / Status
Subject Lake E320368 entity
Predicate transferTo P57570 FINISHED
Object State/Lake (CTA station)
State/Lake is a Chicago 'L' rapid transit station located in the Loop, serving multiple CTA lines on an elevated structure above State Street and Lake Street.
E1040965 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: State/Lake (CTA station) | Statement: [Lake, transferTo, State/Lake (CTA station)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: State/Lake (CTA station)
Context triple: [Lake, transferTo, State/Lake (CTA station)]
  • A. Lake (CTA Red Line station)
    Lake is a Chicago 'L' Red Line subway station located in the downtown Loop, serving as a major transfer point within the city's rapid transit system.
  • B. Washington/Wells station (CTA)
    Washington/Wells station (CTA) is an elevated Chicago 'L' train station in the Loop that serves multiple lines and provides convenient access to downtown civic and commercial destinations.
  • C. Clark/Lake station
    Clark/Lake station is a major Chicago 'L' transit hub in the Loop where multiple CTA lines intersect, providing extensive connections across the city.
  • D. Clark/Lake station (CTA)
    Clark/Lake station (CTA) is a major elevated and subway transfer station in downtown Chicago’s Loop, serving multiple Chicago 'L' lines and providing convenient access to nearby civic and commercial destinations.
  • E. Quincy station (CTA)
    Quincy station (CTA) is a historic elevated rapid transit stop in downtown Chicago’s Loop, known for its preserved 19th-century architecture and service to multiple ‘L’ lines including the Orange Line.
  • 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: State/Lake (CTA station)
Triple: [Lake, transferTo, State/Lake (CTA station)]
Generated description
State/Lake is a Chicago 'L' rapid transit station located in the Loop, serving multiple CTA lines on an elevated structure above State Street and Lake Street.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: State/Lake (CTA station)
Target entity description: State/Lake is a Chicago 'L' rapid transit station located in the Loop, serving multiple CTA lines on an elevated structure above State Street and Lake Street.
  • A. Lake (CTA Red Line station)
    Lake is a Chicago 'L' Red Line subway station located in the downtown Loop, serving as a major transfer point within the city's rapid transit system.
  • B. Washington/Wells station (CTA)
    Washington/Wells station (CTA) is an elevated Chicago 'L' train station in the Loop that serves multiple lines and provides convenient access to downtown civic and commercial destinations.
  • C. Clark/Lake station
    Clark/Lake station is a major Chicago 'L' transit hub in the Loop where multiple CTA lines intersect, providing extensive connections across the city.
  • D. Clark/Lake station (CTA)
    Clark/Lake station (CTA) is a major elevated and subway transfer station in downtown Chicago’s Loop, serving multiple Chicago 'L' lines and providing convenient access to nearby civic and commercial destinations.
  • E. Quincy station (CTA)
    Quincy station (CTA) is a historic elevated rapid transit stop in downtown Chicago’s Loop, known for its preserved 19th-century architecture and service to multiple ‘L’ lines including the Orange Line.
  • 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_69d80761e6cc8190a90c844589998ecc completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbaee704ac8190b4c7f4e0d3a88494 completed April 12, 2026, 2:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69f7399421908190a7750e37c89a73f6 completed May 3, 2026, 12:03 p.m.
NEDg Description generation batch_69f73b5f6d60819099f405d5d97e68e9 completed May 3, 2026, 12:11 p.m.
NED2 Entity disambiguation (via description) batch_69f73f549af081908ed018a18b3f31f7 completed May 3, 2026, 12:28 p.m.
Created at: April 9, 2026, 9:40 p.m.