Triple

T3735869
Position Surface form Disambiguated ID Type / Status
Subject Lewisville, Texas E79181 entity
Predicate hasRailService P782 FINISHED
Object A-train (DCTA)
A-train (DCTA) is a commuter rail line in Denton County, Texas, operated by the Denton County Transportation Authority that connects Denton and Carrollton and links to the Dallas Area Rapid Transit system.
 E384898 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: A-train (DCTA) | Statement: [Lewisville, Texas, hasRailService, A-train (DCTA)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: A-train (DCTA)
Context triple: [Lewisville, Texas, hasRailService, A-train (DCTA)]
  • A. MBTA Blue Line
    The MBTA Blue Line is a rapid transit line in the Boston metropolitan area that runs primarily along the city’s northeastern corridor, connecting downtown Boston with East Boston, Logan Airport, and Revere.
  • B. MBTA Green Line
    The MBTA Green Line is a light rail service in Boston, Massachusetts, known as one of the oldest subway lines in the United States and serving key neighborhoods, universities, and cultural destinations across the city.
  • C. O-Train
    The O-Train is Ottawa’s urban rail transit system, providing light rail service across key corridors of Canada’s capital city.
  • D. DART Green Line
    The DART Green Line is a light rail service in Dallas, Texas, operated by Dallas Area Rapid Transit and running through key corridors including downtown and Fair Park.
  • 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: A-train (DCTA)
Triple: [Lewisville, Texas, hasRailService, A-train (DCTA)]
Generated description
A-train (DCTA) is a commuter rail line in Denton County, Texas, operated by the Denton County Transportation Authority that connects Denton and Carrollton and links to the Dallas Area Rapid Transit system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: A-train (DCTA)
Target entity description: A-train (DCTA) is a commuter rail line in Denton County, Texas, operated by the Denton County Transportation Authority that connects Denton and Carrollton and links to the Dallas Area Rapid Transit system.
  • A. MBTA Blue Line
    The MBTA Blue Line is a rapid transit line in the Boston metropolitan area that runs primarily along the city’s northeastern corridor, connecting downtown Boston with East Boston, Logan Airport, and Revere.
  • B. MBTA Green Line
    The MBTA Green Line is a light rail service in Boston, Massachusetts, known as one of the oldest subway lines in the United States and serving key neighborhoods, universities, and cultural destinations across the city.
  • C. O-Train
    The O-Train is Ottawa’s urban rail transit system, providing light rail service across key corridors of Canada’s capital city.
  • D. DART Green Line
    The DART Green Line is a light rail service in Dallas, Texas, operated by Dallas Area Rapid Transit and running through key corridors including downtown and Fair Park.
  • 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

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_69ad8b0e4650819090ad7cef094285e8 completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69adcb3b399c819091b42209925c0d8f completed March 8, 2026, 7:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4db1e4cc48190bfc1078e9b06d2d9 completed March 14, 2026, 3:50 a.m.
NEDg Description generation batch_69b4dc41a54c819099081242687e9011 completed March 14, 2026, 3:55 a.m.
NED2 Entity disambiguation (via description) batch_69b4dcb9235c8190af2b5a5d222e8413 completed March 14, 2026, 3:57 a.m.
Created at: March 8, 2026, 3:34 p.m.