Triple

T779175
Position Surface form Disambiguated ID Type / Status
Subject Blue Line (CTA) E16457 entity
Predicate hasStation P35 FINISHED
Object Cumberland station
Cumberland station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city's Northwest Side and nearby suburbs with park-and-ride access to O'Hare International Airport and downtown Chicago.
 E105104 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: Cumberland station | Statement: [Blue Line (CTA), hasStation, Cumberland station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cumberland station
Context triple: [Blue Line (CTA), hasStation, Cumberland station]
  • A. Martinsburg station
    Martinsburg station is a historic passenger rail station in Martinsburg, West Virginia, serving MARC commuter trains and Amtrak services on the former Baltimore & Ohio Railroad line.
  • B. Corry Station
    Corry Station is a U.S. Navy installation in Escambia County, Florida, primarily known as a training center for information warfare, cryptology, and related technical fields.
  • C. Richmond station
    Richmond station is a major Bay Area Rapid Transit (BART) and Amtrak intermodal rail hub located in Richmond, California.
  • D. Pittsburg/Bay Point station
    Pittsburg/Bay Point station is a rapid transit station in Contra Costa County, California, serving as a terminus on the Bay Area Rapid Transit (BART) system.
  • E. Manassas station
    Manassas station is a historic passenger rail station in Manassas, Virginia, serving as a key stop for Virginia Railway Express commuter trains and Amtrak services.
  • 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: Cumberland station
Triple: [Blue Line (CTA), hasStation, Cumberland station]
Generated description
Cumberland station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city's Northwest Side and nearby suburbs with park-and-ride access to O'Hare International Airport and downtown Chicago.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cumberland station
Target entity description: Cumberland station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city's Northwest Side and nearby suburbs with park-and-ride access to O'Hare International Airport and downtown Chicago.
  • A. Martinsburg station
    Martinsburg station is a historic passenger rail station in Martinsburg, West Virginia, serving MARC commuter trains and Amtrak services on the former Baltimore & Ohio Railroad line.
  • B. Corry Station
    Corry Station is a U.S. Navy installation in Escambia County, Florida, primarily known as a training center for information warfare, cryptology, and related technical fields.
  • C. Richmond station
    Richmond station is a major Bay Area Rapid Transit (BART) and Amtrak intermodal rail hub located in Richmond, California.
  • D. Pittsburg/Bay Point station
    Pittsburg/Bay Point station is a rapid transit station in Contra Costa County, California, serving as a terminus on the Bay Area Rapid Transit (BART) system.
  • E. Manassas station
    Manassas station is a historic passenger rail station in Manassas, Virginia, serving as a key stop for Virginia Railway Express commuter trains and Amtrak services.
  • 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_69a4936ad1fc81908f190208059ccf78 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a74f886081909c27b786e3adbe32 completed March 1, 2026, 8:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7c009d5048190b2a137b6ed8b60ec completed March 4, 2026, 5:15 a.m.
NEDg Description generation batch_69a7c0716e708190b907502b17b671f8 completed March 4, 2026, 5:17 a.m.
NED2 Entity disambiguation (via description) batch_69a7c0d166ac819089b683e7cee92043 completed March 4, 2026, 5:19 a.m.
Created at: March 1, 2026, 7:37 p.m.