Triple

T8529678
Position Surface form Disambiguated ID Type / Status
Subject Manchester station E201911 entity
Predicate servedByLine P1293 FINISHED
Object Rockport Line
The Rockport Line is a Massachusetts Bay Transportation Authority (MBTA) commuter rail route running between Boston and the coastal town of Rockport on the North Shore.
E741689 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: Rockport Line | Statement: [Manchester station, servedByLine, Rockport Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Rockport Line
Context triple: [Manchester station, servedByLine, Rockport Line]
  • A. Coast Line
    Coast Line was a major Southern Pacific Railroad route running along California’s Pacific coast, connecting key cities such as Los Angeles and San Francisco.
  • B. Pelham Line
    The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
  • C. North Coast Line
    The North Coast Line is a major railway corridor in New South Wales, Australia, running along the state’s north coast and connecting Sydney with Brisbane and numerous regional centres.
  • D. Ravenswood Line
    The Ravenswood Line is the historical name for what is now known as the Chicago Transit Authority's Brown Line, an elevated rapid transit route serving Chicago's North Side.
  • E. Sounder North Line
    The Sounder North Line is a commuter rail service in the Seattle metropolitan area that runs along the Puget Sound, connecting Seattle with communities to the north such as Everett.
  • 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: Rockport Line
Triple: [Manchester station, servedByLine, Rockport Line]
Generated description
The Rockport Line is a Massachusetts Bay Transportation Authority (MBTA) commuter rail route running between Boston and the coastal town of Rockport on the North Shore.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Rockport Line
Target entity description: The Rockport Line is a Massachusetts Bay Transportation Authority (MBTA) commuter rail route running between Boston and the coastal town of Rockport on the North Shore.
  • A. Coast Line
    Coast Line was a major Southern Pacific Railroad route running along California’s Pacific coast, connecting key cities such as Los Angeles and San Francisco.
  • B. Pelham Line
    The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
  • C. North Coast Line
    The North Coast Line is a major railway corridor in New South Wales, Australia, running along the state’s north coast and connecting Sydney with Brisbane and numerous regional centres.
  • D. Ravenswood Line
    The Ravenswood Line is the historical name for what is now known as the Chicago Transit Authority's Brown Line, an elevated rapid transit route serving Chicago's North Side.
  • E. Sounder North Line
    The Sounder North Line is a commuter rail service in the Seattle metropolitan area that runs along the Puget Sound, connecting Seattle with communities to the north such as Everett.
  • 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_69ca83228b24819085d22e7dc99f5d94 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbe67409f08190b20d13d26e9a362c completed March 31, 2026, 3:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce6d5e5b58819095c1c915dfe27b52 completed April 2, 2026, 1:21 p.m.
NEDg Description generation batch_69ce6ec1e74081908fc235ffd13ef301 completed April 2, 2026, 1:27 p.m.
NED2 Entity disambiguation (via description) batch_69ce6fe13a00819095f5bec408435426 completed April 2, 2026, 1:32 p.m.
Created at: March 30, 2026, 6:17 p.m.