Triple

T8947257
Position Surface form Disambiguated ID Type / Status
Subject RTA Waterfront Line E213250 entity
Predicate partOf P40 FINISHED
Object RTA Blue and Green Lines system
The RTA Blue and Green Lines system is a light rail network in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key east-side suburbs and downtown areas.
 E770414 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: RTA Blue and Green Lines system | Statement: [RTA Waterfront Line, partOf, RTA Blue and Green Lines system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: RTA Blue and Green Lines system
Context triple: [RTA Waterfront Line, partOf, RTA Blue and Green Lines system]
  • A. RTA Green Line
    RTA Green Line is a light rail transit line in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key areas including downtown Cleveland and the eastern suburbs.
  • B. 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.
  • C. RTA Red Line
    The RTA Red Line is a heavy rail rapid transit route in Cleveland, Ohio, running between Cleveland Hopkins International Airport and the Windermere station in East Cleveland.
  • D. Blue Line and Orange Line
    The Blue Line and Orange Line are two intersecting Washington Metro rapid transit routes serving Virginia and the District of Columbia, sharing key stations such as Rosslyn.
  • E. METRORail Red Line
    The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
  • 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: RTA Blue and Green Lines system
Triple: [RTA Waterfront Line, partOf, RTA Blue and Green Lines system]
Generated description
The RTA Blue and Green Lines system is a light rail network in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key east-side suburbs and downtown areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: RTA Blue and Green Lines system
Target entity description: The RTA Blue and Green Lines system is a light rail network in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key east-side suburbs and downtown areas.
  • A. RTA Green Line chosen
    RTA Green Line is a light rail transit line in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key areas including downtown Cleveland and the eastern suburbs.
  • B. 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.
  • C. RTA Red Line
    The RTA Red Line is a heavy rail rapid transit route in Cleveland, Ohio, running between Cleveland Hopkins International Airport and the Windermere station in East Cleveland.
  • D. Blue Line and Orange Line
    The Blue Line and Orange Line are two intersecting Washington Metro rapid transit routes serving Virginia and the District of Columbia, sharing key stations such as Rosslyn.
  • E. METRORail Red Line
    The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
  • F. None of above.

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_69ca839843408190a39069a029a89f15 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc66deb8ec819087a9c5eddd24c08a completed April 1, 2026, 12:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfc93c678c81909d2ab68308d7c2f0 completed April 3, 2026, 2:05 p.m.
NEDg Description generation batch_69cfccf492048190acc6670a0f32607c completed April 3, 2026, 2:21 p.m.
NED2 Entity disambiguation (via description) batch_69cfcda4cf188190b88a6379b5456754 completed April 3, 2026, 2:24 p.m.
Created at: March 30, 2026, 6:59 p.m.