Triple

T22112964
Position Surface form Disambiguated ID Type / Status
Subject Tucson Department of Transportation and Mobility E546462 entity
Predicate oversees P46 FINISHED
Object Tucson streetcar system
The Tucson streetcar system is a modern electric streetcar network providing public transit service through key districts of Tucson, Arizona, including downtown and the university area.
 E1520481 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: Tucson streetcar system | Statement: [Tucson Department of Transportation and Mobility, oversees, Tucson streetcar system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tucson streetcar system
Context triple: [Tucson Department of Transportation and Mobility, oversees, Tucson streetcar system]
  • A. Guadalajara light rail system
    The Guadalajara light rail system is an urban rapid transit network serving Mexico’s Guadalajara metropolitan area, providing high-capacity rail service along key corridors of the city.
  • B. Mi Tren light rail system
    The Mi Tren light rail system is an urban rail transit network serving the Guadalajara metropolitan area in Jalisco, Mexico.
  • C. PHX Sky Train
    PHX Sky Train is an automated people mover system that transports passengers between terminals, parking areas, and the light rail at Phoenix Sky Harbor International Airport.
  • D. Tucson Train
    "Tucson Train" is a song by Bruce Springsteen from his album *Western Stars*, reflecting themes of longing, change, and emotional renewal.
  • E. TECO Line Streetcar System
    The TECO Line Streetcar System is a heritage-style electric streetcar network serving downtown Tampa, Florida, and its surrounding districts as a public transit and tourist attraction.
  • 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: Tucson streetcar system
Triple: [Tucson Department of Transportation and Mobility, oversees, Tucson streetcar system]
Generated description
The Tucson streetcar system is a modern electric streetcar network providing public transit service through key districts of Tucson, Arizona, including downtown and the university area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tucson streetcar system
Target entity description: The Tucson streetcar system is a modern electric streetcar network providing public transit service through key districts of Tucson, Arizona, including downtown and the university area.
  • A. Guadalajara light rail system
    The Guadalajara light rail system is an urban rapid transit network serving Mexico’s Guadalajara metropolitan area, providing high-capacity rail service along key corridors of the city.
  • B. Mi Tren light rail system
    The Mi Tren light rail system is an urban rail transit network serving the Guadalajara metropolitan area in Jalisco, Mexico.
  • C. PHX Sky Train
    PHX Sky Train is an automated people mover system that transports passengers between terminals, parking areas, and the light rail at Phoenix Sky Harbor International Airport.
  • D. Tucson Train
    "Tucson Train" is a song by Bruce Springsteen from his album *Western Stars*, reflecting themes of longing, change, and emotional renewal.
  • E. TECO Line Streetcar System
    The TECO Line Streetcar System is a heritage-style electric streetcar network serving downtown Tampa, Florida, and its surrounding districts as a public transit and tourist attraction.
  • 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_69e11e38b3848190ac3a4fa97d56e65a completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f1294ae7608190901745384a023bab completed April 28, 2026, 9:40 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a8f19799c81909e736a0f19071297 completed May 18, 2026, 4:01 a.m.
NEDg Description generation batch_6a0a9345653c8190b4ae4eaed3082997 completed May 18, 2026, 4:19 a.m.
NED2 Entity disambiguation (via description) batch_6a0a93bcb82081908e7e6ff841c2cd8c completed May 18, 2026, 4:21 a.m.
Created at: April 16, 2026, 8:31 p.m.