Triple
T8994878
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Methuen, Massachusetts |
E214878
|
entity |
| Predicate | hasHistoricDistrict |
P295
|
FINISHED |
| Object |
Methuen Downtown Historic District
The Methuen Downtown Historic District is a preserved area in Methuen, Massachusetts, featuring a concentration of 19th- and early 20th-century commercial and civic architecture that reflects the city’s industrial-era development.
|
E770939
|
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: Methuen Downtown Historic District | Statement: [Methuen, Massachusetts, hasHistoricDistrict, Methuen Downtown Historic District]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Methuen Downtown Historic District Context triple: [Methuen, Massachusetts, hasHistoricDistrict, Methuen Downtown Historic District]
-
A.
Metuchen Downtown Historic District
Metuchen Downtown Historic District is a preserved central business area in Metuchen, New Jersey, recognized for its historic architecture and role as the town’s traditional commercial and civic core.
-
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.
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.
-
E.
Salem Historic District
Salem Historic District is a historically significant area in Salem, Massachusetts, known for its well-preserved colonial architecture and its central role in the 17th-century Salem witch trials.
- 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: Methuen Downtown Historic District Triple: [Methuen, Massachusetts, hasHistoricDistrict, Methuen Downtown Historic District]
Generated description
The Methuen Downtown Historic District is a preserved area in Methuen, Massachusetts, featuring a concentration of 19th- and early 20th-century commercial and civic architecture that reflects the city’s industrial-era development.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Methuen Downtown Historic District Target entity description: The Methuen Downtown Historic District is a preserved area in Methuen, Massachusetts, featuring a concentration of 19th- and early 20th-century commercial and civic architecture that reflects the city’s industrial-era development.
-
A.
Metuchen Downtown Historic District
Metuchen Downtown Historic District is a preserved central business area in Metuchen, New Jersey, recognized for its historic architecture and role as the town’s traditional commercial and civic core.
-
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.
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.
-
E.
Salem Historic District
Salem Historic District is a historically significant area in Salem, Massachusetts, known for its well-preserved colonial architecture and its central role in the 17th-century Salem witch trials.
- 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_69ca83a05c608190bdfdbdb25e994b39 |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc68ddff288190869731df2c178ff6 |
completed | April 1, 2026, 12:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfd0d0e6a08190a2faf4157b8a9cd4 |
completed | April 3, 2026, 2:38 p.m. |
| NEDg | Description generation | batch_69cfd193fdbc8190b49192327f698943 |
completed | April 3, 2026, 2:41 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cfd242590881909ca351c1040c76ef |
completed | April 3, 2026, 2:44 p.m. |
Created at: March 30, 2026, 7:04 p.m.