Triple

T1642728
Position Surface form Disambiguated ID Type / Status
Subject MBTA bus route 111 E35508 entity
Predicate partOf P40 FINISHED
Object MBTA Key Bus Routes network
The MBTA Key Bus Routes network is a group of high-ridership, high-frequency bus lines in the Greater Boston area designed to provide rapid, reliable transit service comparable to rail.
E1808 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: MBTA Key Bus Routes network | Statement: [MBTA bus route 111, partOf, MBTA Key Bus Routes network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA Key Bus Routes network
Context triple: [MBTA bus route 111, partOf, MBTA Key Bus Routes network]
  • A. MBTA bus network
    The MBTA bus network is the system of public bus routes serving Cambridge and the greater Boston area as part of the Massachusetts Bay Transportation Authority’s regional transit services.
  • B. MBTA AFC 2.0
    MBTA AFC 2.0 is the Massachusetts Bay Transportation Authority’s next-generation automated fare collection system designed to modernize how riders pay for and access public transit across Greater Boston.
  • C. Transitway
    Transitway is a bus rapid transit network in Ottawa, Ontario, providing high-capacity, grade-separated transit service across the city.
  • D. 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.
  • E. MBTA bus route 111
    MBTA bus route 111 is a high-ridership Massachusetts Bay Transportation Authority bus line serving the corridor between downtown Boston and the city of Chelsea.
  • 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: MBTA Key Bus Routes network
Triple: [MBTA bus route 111, partOf, MBTA Key Bus Routes network]
Generated description
The MBTA Key Bus Routes network is a group of high-ridership, high-frequency bus lines in the Greater Boston area designed to provide rapid, reliable transit service comparable to rail.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MBTA Key Bus Routes network
Target entity description: The MBTA Key Bus Routes network is a group of high-ridership, high-frequency bus lines in the Greater Boston area designed to provide rapid, reliable transit service comparable to rail.
  • A. MBTA bus network chosen
    The MBTA bus network is the system of public bus routes serving Cambridge and the greater Boston area as part of the Massachusetts Bay Transportation Authority’s regional transit services.
  • B. MBTA AFC 2.0
    MBTA AFC 2.0 is the Massachusetts Bay Transportation Authority’s next-generation automated fare collection system designed to modernize how riders pay for and access public transit across Greater Boston.
  • C. Transitway
    Transitway is a bus rapid transit network in Ottawa, Ontario, providing high-capacity, grade-separated transit service across the city.
  • D. 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.
  • E. MBTA bus route 111
    MBTA bus route 111 is a high-ridership Massachusetts Bay Transportation Authority bus line serving the corridor between downtown Boston and the city of Chelsea.
  • 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_69a88604618c81908b41f6429c431eb6 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a90a3f4d8c8190aa0a44d1c9b1a7f0 completed March 5, 2026, 4:44 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad60a0096c81909dc723d0db95481e completed March 8, 2026, 11:42 a.m.
NEDg Description generation batch_69ad620fe35481909bf4751001e29161 completed March 8, 2026, 11:48 a.m.
NED2 Entity disambiguation (via description) batch_69ad626d42388190b6a961a84333bd21 completed March 8, 2026, 11:50 a.m.
Created at: March 4, 2026, 7:28 p.m.