Triple

T23051401
Position Surface form Disambiguated ID Type / Status
Subject Amtrak at South Station E574023 entity
Predicate locatedInCity P40 FINISHED
Object Boston
Boston is the historic capital and largest city of Massachusetts, known for its pivotal role in the American Revolution, prestigious universities, and vibrant cultural and economic life.
 E906091 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 | Statement: [Amtrak at South Station, locatedInCity, Boston]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Boston
Context triple: [Amtrak at South Station, locatedInCity, Boston]
  • A. Boston
    Boston is a historic market and port town in Lincolnshire, England, known for its medieval church St Botolph's ("The Stump") and its role in early Puritan emigration to America.
  • B. Boston
    Boston is a World War II-era American light bomber aircraft, also known as the Douglas A-20 Havoc, used extensively by Allied air forces.
  • C. Boston
    Boston is a coastal municipality in the province of Davao Oriental on the island of Mindanao in the Philippines.
  • D. Boston
    Boston is a small town located in Wayne County, Indiana, in the United States.
  • E. Boston
    Boston is an American rock band formed in the 1970s, best known for its polished guitar-driven sound and hits like "More Than a Feeling" and "Peace of Mind."
  • 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
Triple: [Amtrak at South Station, locatedInCity, Boston]
Generated description
Boston is the historic capital and largest city of Massachusetts, known for its pivotal role in the American Revolution, prestigious universities, and vibrant cultural and economic life.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Boston
Target entity description: Boston is the historic capital and largest city of Massachusetts, known for its pivotal role in the American Revolution, prestigious universities, and vibrant cultural and economic life.
  • A. Boston chosen
    Boston is a historic coastal city in Massachusetts known for its leading universities, financial and biotech industries, and pivotal role in American history.
  • B. Boston
    Boston is a historic market town and port in Lincolnshire, England, known for its medieval church St Botolph's ("The Stump") and its role in the origins of the Pilgrim Fathers.
  • C. Boston
    Boston is a historic market town and port in Lincolnshire, England, known for its medieval church St Botolph's ("The Stump") and its role in early English Puritan emigration to America.
  • D. Boston
    Boston is a historic market and port town in Lincolnshire, England, known for its medieval church St Botolph's ("The Stump") and its role in early Puritan emigration to America.
  • E. Boston
    Boston is a small town located in Wayne County, Indiana, in the United States.
  • F. None of above.

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_69e245ba7ae48190be606dbc54120e39 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f1867d010c8190bc5dba6758d0b797 completed April 29, 2026, 4:18 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c0aceb0c88190a47fe739fd96292b completed May 19, 2026, 7:01 a.m.
NEDg Description generation batch_6a0c0cc0802081909986480d05315422 completed May 19, 2026, 7:09 a.m.
NED2 Entity disambiguation (via description) batch_6a0c0db1ebf88190a3c2f74af6fe3541 completed May 19, 2026, 7:13 a.m.
Created at: April 17, 2026, 3:54 p.m.