Triple

T3725985
Position Surface form Disambiguated ID Type / Status
Subject Porteous Building E81749 entity
Predicate formerOccupant P7727 FINISHED
Object Porteous, Mitchell & Braun department store
Porteous, Mitchell & Braun was a prominent regional department store chain based in Portland, Maine, known for its flagship downtown store and role in the city’s retail history.
 E381686 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: Porteous, Mitchell & Braun department store | Statement: [Porteous Building, formerOccupant, Porteous, Mitchell & Braun department store]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Porteous, Mitchell & Braun department store
Context triple: [Porteous Building, formerOccupant, Porteous, Mitchell & Braun department store]
  • A. House of Fraser department store
    House of Fraser department store is a major British retail chain known for its large multi-brand department stores offering fashion, beauty, and homeware.
  • B. L. Bamberger & Co. department store
    L. Bamberger & Co. was a prominent Newark, New Jersey department store known for its large-scale retail operations and eventual integration into the Macy’s chain.
  • C. Schlesinger & Mayer Store
    The Schlesinger & Mayer Store is a landmark Chicago department store building celebrated as one of architect Louis Sullivan’s finest examples of early commercial skyscraper design.
  • D. Gimbels department store
    Gimbels department store is a now-defunct American department store chain historically based in New York City and known for its rivalry with Macy’s.
  • E. Liberty department store
    Liberty department store is a famous London luxury retailer known for its distinctive mock-Tudor building and eclectic range of fashion, beauty, homeware, and iconic printed fabrics.
  • 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: Porteous, Mitchell & Braun department store
Triple: [Porteous Building, formerOccupant, Porteous, Mitchell & Braun department store]
Generated description
Porteous, Mitchell & Braun was a prominent regional department store chain based in Portland, Maine, known for its flagship downtown store and role in the city’s retail history.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Porteous, Mitchell & Braun department store
Target entity description: Porteous, Mitchell & Braun was a prominent regional department store chain based in Portland, Maine, known for its flagship downtown store and role in the city’s retail history.
  • A. House of Fraser department store
    House of Fraser department store is a major British retail chain known for its large multi-brand department stores offering fashion, beauty, and homeware.
  • B. L. Bamberger & Co. department store
    L. Bamberger & Co. was a prominent Newark, New Jersey department store known for its large-scale retail operations and eventual integration into the Macy’s chain.
  • C. Schlesinger & Mayer Store
    The Schlesinger & Mayer Store is a landmark Chicago department store building celebrated as one of architect Louis Sullivan’s finest examples of early commercial skyscraper design.
  • D. Gimbels department store
    Gimbels department store is a now-defunct American department store chain historically based in New York City and known for its rivalry with Macy’s.
  • E. Liberty department store
    Liberty department store is a famous London luxury retailer known for its distinctive mock-Tudor building and eclectic range of fashion, beauty, homeware, and iconic printed fabrics.
  • 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_69ad8b1b7ef081908d2d381bbf54985a completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69adcaf669d48190852aaeef70265404 completed March 8, 2026, 7:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4ce206cb88190985a727b769e1e12 completed March 14, 2026, 2:55 a.m.
NEDg Description generation batch_69b4cf1840bc81908a85642430ab5339 completed March 14, 2026, 2:59 a.m.
NED2 Entity disambiguation (via description) batch_69b4cf92e9c48190a3d87ba1f90548ec completed March 14, 2026, 3:01 a.m.
Created at: March 8, 2026, 3:34 p.m.