Triple

T4389470
Position Surface form Disambiguated ID Type / Status
Subject Leominster, Massachusetts E99325 entity
Predicate hasHistoricDistrict P295 FINISHED
Object Leominster Center Historic District
Leominster Center Historic District is a designated historic area in downtown Leominster, Massachusetts, known for its preserved 19th- and early 20th-century commercial and civic architecture.
 E435900 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: Leominster Center Historic District | Statement: [Leominster, Massachusetts, hasHistoricDistrict, Leominster Center Historic District]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Leominster Center Historic District
Context triple: [Leominster, Massachusetts, hasHistoricDistrict, Leominster Center Historic District]
  • A. Billerica Mills Historic District
    Billerica Mills Historic District is a historic industrial area in Billerica, Massachusetts, known for its 19th-century mill buildings and role in the region’s early textile manufacturing.
  • B. Nashua Downtown Historic District
    Nashua Downtown Historic District is a central area of Nashua, New Hampshire, recognized for its concentration of historically significant commercial and civic buildings that reflect the city’s 19th- and early 20th-century development.
  • C. Tewksbury Center Historic District
    Tewksbury Center Historic District is a preserved area in the heart of Tewksbury, Massachusetts, known for its collection of historically significant civic and residential buildings that reflect the town’s 19th- and early 20th-century development.
  • D. Apponaug Historic District
    Apponaug Historic District is a historically significant village center in Warwick, Rhode Island, known for its 19th-century architecture and role as a former civic and commercial hub.
  • E. Thomaston Historic District
    Thomaston Historic District is a nationally recognized historic area in Thomaston, Maine, noted for its well-preserved 18th- and 19th-century architecture and its significance in the town’s maritime and shipbuilding history.
  • 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: Leominster Center Historic District
Triple: [Leominster, Massachusetts, hasHistoricDistrict, Leominster Center Historic District]
Generated description
Leominster Center Historic District is a designated historic area in downtown Leominster, Massachusetts, known for its preserved 19th- and early 20th-century commercial and civic architecture.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Leominster Center Historic District
Target entity description: Leominster Center Historic District is a designated historic area in downtown Leominster, Massachusetts, known for its preserved 19th- and early 20th-century commercial and civic architecture.
  • A. Billerica Mills Historic District
    Billerica Mills Historic District is a historic industrial area in Billerica, Massachusetts, known for its 19th-century mill buildings and role in the region’s early textile manufacturing.
  • B. Nashua Downtown Historic District
    Nashua Downtown Historic District is a central area of Nashua, New Hampshire, recognized for its concentration of historically significant commercial and civic buildings that reflect the city’s 19th- and early 20th-century development.
  • C. Tewksbury Center Historic District
    Tewksbury Center Historic District is a preserved area in the heart of Tewksbury, Massachusetts, known for its collection of historically significant civic and residential buildings that reflect the town’s 19th- and early 20th-century development.
  • D. Apponaug Historic District
    Apponaug Historic District is a historically significant village center in Warwick, Rhode Island, known for its 19th-century architecture and role as a former civic and commercial hub.
  • E. Thomaston Historic District
    Thomaston Historic District is a nationally recognized historic area in Thomaston, Maine, noted for its well-preserved 18th- and 19th-century architecture and its significance in the town’s maritime and shipbuilding history.
  • 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_69b3454f739481909ff6c28331f0c0b9 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b35282cb2c8190856da20bb87e88ff completed March 12, 2026, 11:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5e52d63c08190bc98c090cfe0ff1c completed March 14, 2026, 10:46 p.m.
NEDg Description generation batch_69b5e5b3ba208190b6cb5e40f9e744e8 completed March 14, 2026, 10:48 p.m.
NED2 Entity disambiguation (via description) batch_69b5e62af694819086b3eddb71f591d2 completed March 14, 2026, 10:50 p.m.
Created at: March 12, 2026, 11:19 p.m.