Triple

T7546230
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Acela E178408 entity
Predicate primaryRoute P6298 FINISHED
Object Boston–Washington, D.C.
Boston–Washington, D.C. is the major Northeast Corridor rail route linking New England’s largest city with the U.S. capital and serving as a key spine for high-speed and intercity passenger trains.
E671506 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: Boston–Washington, D.C. | Statement: [Amtrak Acela, primaryRoute, Boston–Washington, D.C.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Boston–Washington, D.C.
Context triple: [Amtrak Acela, primaryRoute, Boston–Washington, D.C.]
  • A. New York City–Washington, D.C.
    New York City–Washington, D.C. refers to the heavily traveled, fully electrified segment of the Northeast Corridor rail line connecting the two major East Coast cities.
  • B. Philadelphia and Washington, D.C.
    Philadelphia and Washington, D.C. are two major East Coast U.S. cities—one in Pennsylvania and the other the nation’s capital—linked by dense political, economic, and cultural ties.
  • C. Boston, New York
    Boston, New York is a small town in Erie County in western New York State, situated near Buffalo and known for its rural character and residential communities.
  • D. Washington, D.C.
    Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
  • E. Washington, New York
    Washington, New York is a rural town in Dutchess County known for its historic hamlet of Millbrook, scenic landscapes, and equestrian and agricultural heritage.
  • 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: Boston–Washington, D.C.
Triple: [Amtrak Acela, primaryRoute, Boston–Washington, D.C.]
Generated description
Boston–Washington, D.C. is the major Northeast Corridor rail route linking New England’s largest city with the U.S. capital and serving as a key spine for high-speed and intercity passenger trains.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Boston–Washington, D.C.
Target entity description: Boston–Washington, D.C. is the major Northeast Corridor rail route linking New England’s largest city with the U.S. capital and serving as a key spine for high-speed and intercity passenger trains.
  • A. New York City–Washington, D.C.
    New York City–Washington, D.C. refers to the heavily traveled, fully electrified segment of the Northeast Corridor rail line connecting the two major East Coast cities.
  • B. Philadelphia and Washington, D.C.
    Philadelphia and Washington, D.C. are two major East Coast U.S. cities—one in Pennsylvania and the other the nation’s capital—linked by dense political, economic, and cultural ties.
  • C. Boston, New York
    Boston, New York is a small town in Erie County in western New York State, situated near Buffalo and known for its rural character and residential communities.
  • D. Washington, D.C.
    Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
  • E. Washington, New York
    Washington, New York is a rural town in Dutchess County known for its historic hamlet of Millbrook, scenic landscapes, and equestrian and agricultural heritage.
  • 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_69c69f2cbe08819088f9eb0c03ef529b completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f89963ec8190ae7b8a2b9508c074 completed March 27, 2026, 9:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69c84f2662f881909f65c936be9eab56 completed March 28, 2026, 9:59 p.m.
NEDg Description generation batch_69c852a8c630819080493932adb5ad40 completed March 28, 2026, 10:14 p.m.
NED2 Entity disambiguation (via description) batch_69c8530069e88190af6abcfddb924f38 completed March 28, 2026, 10:15 p.m.
Created at: March 27, 2026, 3:48 p.m.