Triple

T7197066
Position Surface form Disambiguated ID Type / Status
Subject Newburyport/Rockport Line E168640 entity
Predicate connectsWith P37 FINISHED
Object Orange Line at North Station
Orange Line at North Station is a major Boston subway stop on the MBTA Orange Line that serves as a key transfer point between rapid transit and several commuter rail lines, including the Newburyport/Rockport Line.
 E648204 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: Orange Line at North Station | Statement: [Newburyport/Rockport Line, connectsWith, Orange Line at North Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Orange Line at North Station
Context triple: [Newburyport/Rockport Line, connectsWith, Orange Line at North Station]
  • A. Green Line at North Station
    The Green Line at North Station is a major MBTA light rail stop in Boston that serves as a key transfer point between the Green Line trolleys and regional commuter rail services.
  • B. Green Line at Clark/Lake
    The Green Line at Clark/Lake is a major Chicago 'L' station in the Loop where Green Line trains share a busy downtown transfer hub with multiple other CTA rail lines.
  • C. MBTA Silver Line at South Station
    The MBTA Silver Line at South Station is a key Boston bus rapid transit hub providing underground and surface connections between South Station and destinations including the Seaport District and Logan Airport.
  • D. MBTA Red Line
    The MBTA Red Line is a major rapid transit line in the Boston metropolitan area that runs through key communities including Cambridge, connecting them to downtown Boston and other parts of the region.
  • E. MBTA Red Line at South Station
    The MBTA Red Line at South Station is a major rapid transit stop in downtown Boston that serves as a key hub for subway, commuter rail, intercity rail, and bus connections.
  • 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: Orange Line at North Station
Triple: [Newburyport/Rockport Line, connectsWith, Orange Line at North Station]
Generated description
Orange Line at North Station is a major Boston subway stop on the MBTA Orange Line that serves as a key transfer point between rapid transit and several commuter rail lines, including the Newburyport/Rockport Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Orange Line at North Station
Target entity description: Orange Line at North Station is a major Boston subway stop on the MBTA Orange Line that serves as a key transfer point between rapid transit and several commuter rail lines, including the Newburyport/Rockport Line.
  • A. Green Line at North Station
    The Green Line at North Station is a major MBTA light rail stop in Boston that serves as a key transfer point between the Green Line trolleys and regional commuter rail services.
  • B. Green Line at Clark/Lake
    The Green Line at Clark/Lake is a major Chicago 'L' station in the Loop where Green Line trains share a busy downtown transfer hub with multiple other CTA rail lines.
  • C. MBTA Silver Line at South Station
    The MBTA Silver Line at South Station is a key Boston bus rapid transit hub providing underground and surface connections between South Station and destinations including the Seaport District and Logan Airport.
  • D. MBTA Red Line
    The MBTA Red Line is a major rapid transit line in the Boston metropolitan area that runs through key communities including Cambridge, connecting them to downtown Boston and other parts of the region.
  • E. MBTA Red Line at South Station
    The MBTA Red Line at South Station is a major rapid transit stop in downtown Boston that serves as a key hub for subway, commuter rail, intercity rail, and bus connections.
  • 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_69c68a5376748190bb500f03df86e93e completed March 27, 2026, 1:46 p.m.
NER Named-entity recognition batch_69c6e928ecdc8190a7f3feaf6d28781b completed March 27, 2026, 8:31 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7bfa6be648190950f682eaaeb1a18 completed March 28, 2026, 11:46 a.m.
NEDg Description generation batch_69c7c01e84388190858d34a6a047bf63 completed March 28, 2026, 11:48 a.m.
NED2 Entity disambiguation (via description) batch_69c7c0a9eb0c819080cda73d67e84fe9 completed March 28, 2026, 11:51 a.m.
Created at: March 27, 2026, 2:51 p.m.