Triple

T820970
Position Surface form Disambiguated ID Type / Status
Subject MBTA Commuter Rail Newburyport/Rockport Line E17744 entity
Predicate usesInfrastructure P6820 FINISHED
Object Eastern Route
Eastern Route is a historic Boston-area railroad corridor that serves as the primary right-of-way for MBTA Commuter Rail service to Newburyport and Rockport.
E98144 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: Eastern Route | Statement: [MBTA Commuter Rail Newburyport/Rockport Line, usesInfrastructure, Eastern Route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Eastern Route
Context triple: [MBTA Commuter Rail Newburyport/Rockport Line, usesInfrastructure, Eastern Route]
  • A. West-Northwest Route
    West-Northwest Route was the former name of a Chicago Transit Authority rapid transit line that is now part of the Blue Line.
  • B. Panhandle Route
    The Panhandle Route was a major American railroad line operated by the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad that connected key Midwestern and Eastern cities as part of the Pennsylvania Railroad system.
  • C. Northeast Trail
    The Northeast Trail is a multi-use path within Atlanta’s BeltLine network that connects neighborhoods on the city’s northeast side with pedestrian and bicycle infrastructure.
  • D. North Road
    North Road was an early football ground in Newton Heath, Manchester, historically used by the club that later became Manchester United.
  • E. Cesen Route
    The Cesen Route is a classic alpine climbing line on K2, known for its relatively direct but still highly demanding ascent on the mountain’s southeastern side.
  • 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: Eastern Route
Triple: [MBTA Commuter Rail Newburyport/Rockport Line, usesInfrastructure, Eastern Route]
Generated description
Eastern Route is a historic Boston-area railroad corridor that serves as the primary right-of-way for MBTA Commuter Rail service to Newburyport and Rockport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Eastern Route
Target entity description: Eastern Route is a historic Boston-area railroad corridor that serves as the primary right-of-way for MBTA Commuter Rail service to Newburyport and Rockport.
  • A. West-Northwest Route
    West-Northwest Route was the former name of a Chicago Transit Authority rapid transit line that is now part of the Blue Line.
  • B. Panhandle Route
    The Panhandle Route was a major American railroad line operated by the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad that connected key Midwestern and Eastern cities as part of the Pennsylvania Railroad system.
  • C. Northeast Trail
    The Northeast Trail is a multi-use path within Atlanta’s BeltLine network that connects neighborhoods on the city’s northeast side with pedestrian and bicycle infrastructure.
  • D. North Road
    North Road was an early football ground in Newton Heath, Manchester, historically used by the club that later became Manchester United.
  • E. Cesen Route
    The Cesen Route is a classic alpine climbing line on K2, known for its relatively direct but still highly demanding ascent on the mountain’s southeastern side.
  • 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_69a4937bcaac8190a322524ac6f45a5a completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4ab7aea38819092a0860ec6e2a033 completed March 1, 2026, 9:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69a76d91c2948190bc13a223548facba completed March 3, 2026, 11:24 p.m.
NEDg Description generation batch_69a77e828bb08190a67768d08557f305 completed March 4, 2026, 12:36 a.m.
NED2 Entity disambiguation (via description) batch_69a77efbc2ac819083a900d2ecd8924e completed March 4, 2026, 12:38 a.m.
Created at: March 1, 2026, 7:38 p.m.