Triple

T4591120
Position Surface form Disambiguated ID Type / Status
Subject Chicago Avenue E103489 entity
Predicate servedByBusRoute P14525 FINISHED
Object CTA Route 66 Chicago
CTA Route 66 Chicago is a Chicago Transit Authority bus line that runs primarily along Chicago Avenue, connecting neighborhoods on the city’s West Side with downtown.
E454734 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: CTA Route 66 Chicago | Statement: [Chicago Avenue, servedByBusRoute, CTA Route 66 Chicago]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: CTA Route 66 Chicago
Context triple: [Chicago Avenue, servedByBusRoute, CTA Route 66 Chicago]
  • A. O'Hare–Forest Park corridor
    The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
  • B. Chicago Riverwalk
    The Chicago Riverwalk is a scenic pedestrian waterfront along the Chicago River featuring walking paths, restaurants, public art, and recreational spaces in downtown Chicago.
  • C. Grand Boulevard, Chicago
    Grand Boulevard is a neighborhood on Chicago’s South Side known for its historic boulevards, cultural landmarks, and significant role in the city’s African American history.
  • D. Lake Shore Drive
    Lake Shore Drive is a major scenic expressway running along the Lake Michigan shoreline in Chicago, known for connecting the city’s lakefront parks, beaches, and downtown.
  • E. Heritage Corridor (via Joliet)
    Heritage Corridor (via Joliet) is a Metra commuter rail line in the Chicago area that runs between Chicago Union Station and Joliet, primarily following the former Gulf, Mobile and Ohio Railroad route.
  • 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: CTA Route 66 Chicago
Triple: [Chicago Avenue, servedByBusRoute, CTA Route 66 Chicago]
Generated description
CTA Route 66 Chicago is a Chicago Transit Authority bus line that runs primarily along Chicago Avenue, connecting neighborhoods on the city’s West Side with downtown.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: CTA Route 66 Chicago
Target entity description: CTA Route 66 Chicago is a Chicago Transit Authority bus line that runs primarily along Chicago Avenue, connecting neighborhoods on the city’s West Side with downtown.
  • A. O'Hare–Forest Park corridor
    The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
  • B. Chicago Riverwalk
    The Chicago Riverwalk is a scenic pedestrian waterfront along the Chicago River featuring walking paths, restaurants, public art, and recreational spaces in downtown Chicago.
  • C. Grand Boulevard, Chicago
    Grand Boulevard is a neighborhood on Chicago’s South Side known for its historic boulevards, cultural landmarks, and significant role in the city’s African American history.
  • D. Lake Shore Drive
    Lake Shore Drive is a major scenic expressway running along the Lake Michigan shoreline in Chicago, known for connecting the city’s lakefront parks, beaches, and downtown.
  • E. Heritage Corridor (via Joliet)
    Heritage Corridor (via Joliet) is a Metra commuter rail line in the Chicago area that runs between Chicago Union Station and Joliet, primarily following the former Gulf, Mobile and Ohio Railroad route.
  • 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_69bd43dccaf08190aa89e9991a289719 completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd5923c0c88190952137d448d474cf completed March 20, 2026, 2:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69bde0cdc7e8819088758c1d6d8e866d completed March 21, 2026, 12:05 a.m.
NEDg Description generation batch_69bde21999688190afc48da7fa2cd869 completed March 21, 2026, 12:11 a.m.
NED2 Entity disambiguation (via description) batch_69bde283e1988190bfa3545d2a362294 completed March 21, 2026, 12:12 a.m.
Created at: March 20, 2026, 1:11 p.m.