Triple

T15362511
Position Surface form Disambiguated ID Type / Status
Subject Damen E367322 entity
Predicate hasBusConnection P3791 FINISHED
Object CTA Route 50 Damen
CTA Route 50 Damen is a Chicago Transit Authority bus route that runs primarily along Damen Avenue, connecting multiple neighborhoods on the city’s North and South Sides.
 E1153712 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 50 Damen | Statement: [Damen, hasBusConnection, CTA Route 50 Damen]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CTA Route 50 Damen
Context triple: [Damen, hasBusConnection, CTA Route 50 Damen]
  • A. CTA Route 201 Central/Ridge
    CTA Route 201 Central/Ridge is a Chicago Transit Authority bus route serving Evanston and nearby North Shore communities, connecting key local destinations and transit hubs including the Davis station.
  • B. CTA Route 9 Ashland
    CTA Route 9 Ashland is a major Chicago Transit Authority bus line that runs along Ashland Avenue, providing north–south service through numerous neighborhoods across the city.
  • C. RTA Blue Line
    RTA Blue Line is a light rail transit route in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key corridors between downtown and the eastern suburbs.
  • D. CTA 8 Halsted
    CTA 8 Halsted is a Chicago Transit Authority bus route that runs primarily along Halsted Street, providing north–south service through several city neighborhoods.
  • E. CTA Orange Line
    The CTA Orange Line is a Chicago 'L' rapid transit route that runs between the Loop and Midway International Airport, serving the city's Southwest Side.
  • 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 50 Damen
Triple: [Damen, hasBusConnection, CTA Route 50 Damen]
Generated description
CTA Route 50 Damen is a Chicago Transit Authority bus route that runs primarily along Damen Avenue, connecting multiple neighborhoods on the city’s North and South Sides.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CTA Route 50 Damen
Target entity description: CTA Route 50 Damen is a Chicago Transit Authority bus route that runs primarily along Damen Avenue, connecting multiple neighborhoods on the city’s North and South Sides.
  • A. CTA Route 201 Central/Ridge
    CTA Route 201 Central/Ridge is a Chicago Transit Authority bus route serving Evanston and nearby North Shore communities, connecting key local destinations and transit hubs including the Davis station.
  • B. CTA Route 9 Ashland
    CTA Route 9 Ashland is a major Chicago Transit Authority bus line that runs along Ashland Avenue, providing north–south service through numerous neighborhoods across the city.
  • C. RTA Blue Line
    RTA Blue Line is a light rail transit route in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key corridors between downtown and the eastern suburbs.
  • D. CTA 8 Halsted
    CTA 8 Halsted is a Chicago Transit Authority bus route that runs primarily along Halsted Street, providing north–south service through several city neighborhoods.
  • E. CTA Orange Line
    The CTA Orange Line is a Chicago 'L' rapid transit route that runs between the Loop and Midway International Airport, serving the city's Southwest Side.
  • 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_69d85a1483788190ad93c2748e8af34b completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03e479f188190bbbc3dcd73853e02 completed April 16, 2026, 1:41 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff0b4a181c8190bffc1ac1a86e215d completed May 9, 2026, 10:24 a.m.
NEDg Description generation batch_69ff0f82441c81909a8ae13817fd3e96 completed May 9, 2026, 10:42 a.m.
NED2 Entity disambiguation (via description) batch_69ff0fd586708190a54b33efd27d84b2 completed May 9, 2026, 10:43 a.m.
Created at: April 10, 2026, 3:18 a.m.