Triple

T646032
Position Surface form Disambiguated ID Type / Status
Subject Boston and Maine Railroad E11243 entity
Predicate abbreviation P43 FINISHED
Object B&M
B&M is the common abbreviation for the historic Boston and Maine Railroad, a major New England rail carrier that operated throughout the 19th and 20th centuries.
 E80679 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: B&M | Statement: [Boston and Maine Railroad, abbreviation, B&M]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: B&M
Context triple: [Boston and Maine Railroad, abbreviation, B&M]
  • A. Hatchards
    Hatchards is a historic London bookshop, founded in 1797 and renowned as one of the oldest and most prestigious bookstores in the United Kingdom.
  • B. Sainsbury
    Sainsbury is a prominent British family name most closely associated with the founders and owners of the J Sainsbury supermarket chain and notable figures in business and public life.
  • C. BJ's Wholesale Club
    BJ's Wholesale Club is an American membership-based warehouse retail chain offering bulk goods and discounted merchandise similar to other wholesale clubs.
  • D. Michaels
    Michaels is the surname of Lorne Michaels, the influential Canadian-American television producer and creator of "Saturday Night Live."
  • E. Kmart Corporation
    Kmart Corporation is a U.S.-based discount retail chain that became part of Sears Holdings after merging with Sears, Roebuck & Co.
  • 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: B&M
Triple: [Boston and Maine Railroad, abbreviation, B&M]
Generated description
B&M is the common abbreviation for the historic Boston and Maine Railroad, a major New England rail carrier that operated throughout the 19th and 20th centuries.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: B&M
Target entity description: B&M is the common abbreviation for the historic Boston and Maine Railroad, a major New England rail carrier that operated throughout the 19th and 20th centuries.
  • A. Hatchards
    Hatchards is a historic London bookshop, founded in 1797 and renowned as one of the oldest and most prestigious bookstores in the United Kingdom.
  • B. Sainsbury
    Sainsbury is a prominent British family name most closely associated with the founders and owners of the J Sainsbury supermarket chain and notable figures in business and public life.
  • C. BJ's Wholesale Club
    BJ's Wholesale Club is an American membership-based warehouse retail chain offering bulk goods and discounted merchandise similar to other wholesale clubs.
  • D. Michaels
    Michaels is the surname of Lorne Michaels, the influential Canadian-American television producer and creator of "Saturday Night Live."
  • E. Kmart Corporation
    Kmart Corporation is a U.S.-based discount retail chain that became part of Sears Holdings after merging with Sears, Roebuck & Co.
  • 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_69a493266a2881909daf4c40f719dee8 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49f1b24b08190897d8aedb877bd83 completed March 1, 2026, 8:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69a57b5a0c0c81909aa3339d7ba62a0d completed March 2, 2026, 11:58 a.m.
NEDg Description generation batch_69a57dbf6b1c8190981f9d85f721a7db completed March 2, 2026, 12:08 p.m.
NED2 Entity disambiguation (via description) batch_69a57e2762908190957f71686d107483 completed March 2, 2026, 12:10 p.m.
Created at: March 1, 2026, 7:36 p.m.