Triple

T22736200
Position Surface form Disambiguated ID Type / Status
Subject Alexandria DASH bus system E562277 entity
Predicate operator P179 FINISHED
Object Alexandria Transit Company
Alexandria Transit Company is the public transportation agency that manages and operates local bus services in Alexandria, Virginia.
 E1552367 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: Alexandria Transit Company | Statement: [Alexandria DASH bus system, operator, Alexandria Transit Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Alexandria Transit Company
Context triple: [Alexandria DASH bus system, operator, Alexandria Transit Company]
  • A. Alexandria Transit System
    Alexandria Transit System is the primary public bus network serving residents and visitors in Alexandria, Louisiana.
  • B. Metropolitan Transit Corporation
    The Metropolitan Transit Corporation was the former public transit agency that operated bus services in King County, Washington, before being succeeded by King County Metro.
  • C. Butler Transit Authority
    Butler Transit Authority is the public transportation agency serving Butler and surrounding areas in western Pennsylvania, providing local and regional bus services.
  • D. Baltimore Transit Company
    The Baltimore Transit Company was a private operator that ran streetcar and bus services in Baltimore, Maryland, before public transit was taken over by the state-run Maryland Transit Administration.
  • E. Montebello Bus Lines
    Montebello Bus Lines is a public transit agency serving the city of Montebello and surrounding communities in Los Angeles County with local and express bus 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: Alexandria Transit Company
Triple: [Alexandria DASH bus system, operator, Alexandria Transit Company]
Generated description
Alexandria Transit Company is the public transportation agency that manages and operates local bus services in Alexandria, Virginia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Alexandria Transit Company
Target entity description: Alexandria Transit Company is the public transportation agency that manages and operates local bus services in Alexandria, Virginia.
  • A. Alexandria Transit System
    Alexandria Transit System is the primary public bus network serving residents and visitors in Alexandria, Louisiana.
  • B. Metropolitan Transit Corporation
    The Metropolitan Transit Corporation was the former public transit agency that operated bus services in King County, Washington, before being succeeded by King County Metro.
  • C. Butler Transit Authority
    Butler Transit Authority is the public transportation agency serving Butler and surrounding areas in western Pennsylvania, providing local and regional bus services.
  • D. Baltimore Transit Company
    The Baltimore Transit Company was a private operator that ran streetcar and bus services in Baltimore, Maryland, before public transit was taken over by the state-run Maryland Transit Administration.
  • E. Montebello Bus Lines
    Montebello Bus Lines is a public transit agency serving the city of Montebello and surrounding communities in Los Angeles County with local and express bus 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_69e24550859c81908727d91efc3a81b4 completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f1796fc2a88190a4d86b421345b088 completed April 29, 2026, 3:22 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0b8fcc0f7881908e1579bae911c3b6 completed May 18, 2026, 10:16 p.m.
NEDg Description generation batch_6a0b91253b5c8190b7fc62f7524017e6 completed May 18, 2026, 10:22 p.m.
NED2 Entity disambiguation (via description) batch_6a0b91cbb52481909d0b092475aa4d36 completed May 18, 2026, 10:25 p.m.
Created at: April 17, 2026, 3:22 p.m.