Triple

T2111834
Position Surface form Disambiguated ID Type / Status
Subject Palmetto (train) E42520 entity
Predicate electrifiedSection P14045 FINISHED
Object 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.
E234121 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: New York City–Washington, D.C. | Statement: [Palmetto (train), electrifiedSection, New York City–Washington, D.C.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: New York City–Washington, D.C.
Context triple: [Palmetto (train), electrifiedSection, New York City–Washington, D.C.]
  • A. 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.
  • B. 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.
  • C. Baltimore–Washington metropolitan area
    The Baltimore–Washington metropolitan area is a major combined urban region in the Mid-Atlantic United States centered on the cities of Baltimore, Maryland, and Washington, D.C., known for its dense population, federal government presence, and diverse economy.
  • 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. Mile Square City
    Mile Square City is the popular nickname for Hoboken, New Jersey, referencing its compact size of roughly one square mile.
  • 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: New York City–Washington, D.C.
Triple: [Palmetto (train), electrifiedSection, New York City–Washington, D.C.]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: New York City–Washington, D.C.
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Baltimore–Washington metropolitan area
    The Baltimore–Washington metropolitan area is a major combined urban region in the Mid-Atlantic United States centered on the cities of Baltimore, Maryland, and Washington, D.C., known for its dense population, federal government presence, and diverse economy.
  • 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. Mile Square City
    Mile Square City is the popular nickname for Hoboken, New Jersey, referencing its compact size of roughly one square mile.
  • 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_69a8871040f08190aac2e2d0ab6b47ad completed March 4, 2026, 7:25 p.m.
NER Named-entity recognition batch_69abbb0369a88190af02f0e4e05e2511 completed March 7, 2026, 5:43 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae30721e1c8190869d577f58015141 completed March 9, 2026, 2:29 a.m.
NEDg Description generation batch_69ae3112c4648190952ad02ef8037b36 completed March 9, 2026, 2:31 a.m.
NED2 Entity disambiguation (via description) batch_69ae319b3d688190adea922024e552cd completed March 9, 2026, 2:34 a.m.
Created at: March 4, 2026, 7:43 p.m.