Triple
T15809450
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chelmsford Center Historic District |
E383305
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object |
National Register of Historic Places in Middlesex County, Massachusetts
The National Register of Historic Places in Middlesex County, Massachusetts is the official federal list recognizing the county’s historically and architecturally significant buildings, districts, sites, and structures worthy of preservation.
|
E1178436
|
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: National Register of Historic Places in Middlesex County, Massachusetts | Statement: [Chelmsford Center Historic District, category, National Register of Historic Places in Middlesex County, Massachusetts]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: National Register of Historic Places in Middlesex County, Massachusetts Context triple: [Chelmsford Center Historic District, category, National Register of Historic Places in Middlesex County, Massachusetts]
-
A.
National Register of Historic Places in Essex County, Massachusetts
The National Register of Historic Places in Essex County, Massachusetts is the official federal list recognizing buildings, sites, districts, structures, and objects of historical, architectural, or cultural significance located within Essex County.
-
B.
National Register of Historic Places in Hampden County, Massachusetts
The National Register of Historic Places in Hampden County, Massachusetts is the official federal list recognizing buildings, sites, districts, and structures of historical and architectural significance within Hampden County.
-
C.
National Register of Historic Places in Waltham, Massachusetts
The National Register of Historic Places in Waltham, Massachusetts is the official federal list of historically significant buildings, districts, sites, and structures in Waltham that are recognized for their cultural, architectural, or historical importance.
-
D.
National Register of Historic Places in Lawrence, Massachusetts
The National Register of Historic Places in Lawrence, Massachusetts is the official federal list of buildings, districts, sites, and structures in Lawrence recognized for their historical, architectural, or cultural significance.
-
E.
National Historic Landmarks in Massachusetts
National Historic Landmarks in Massachusetts are federally recognized sites across the state that possess exceptional historical significance to the United States, ranging from Revolutionary War locations to notable architectural and cultural landmarks.
- 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: National Register of Historic Places in Middlesex County, Massachusetts Triple: [Chelmsford Center Historic District, category, National Register of Historic Places in Middlesex County, Massachusetts]
Generated description
The National Register of Historic Places in Middlesex County, Massachusetts is the official federal list recognizing the county’s historically and architecturally significant buildings, districts, sites, and structures worthy of preservation.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: National Register of Historic Places in Middlesex County, Massachusetts Target entity description: The National Register of Historic Places in Middlesex County, Massachusetts is the official federal list recognizing the county’s historically and architecturally significant buildings, districts, sites, and structures worthy of preservation.
-
A.
National Register of Historic Places in Essex County, Massachusetts
The National Register of Historic Places in Essex County, Massachusetts is the official federal list recognizing buildings, sites, districts, structures, and objects of historical, architectural, or cultural significance located within Essex County.
-
B.
National Register of Historic Places in Hampden County, Massachusetts
The National Register of Historic Places in Hampden County, Massachusetts is the official federal list recognizing buildings, sites, districts, and structures of historical and architectural significance within Hampden County.
-
C.
National Register of Historic Places in Waltham, Massachusetts
The National Register of Historic Places in Waltham, Massachusetts is the official federal list of historically significant buildings, districts, sites, and structures in Waltham that are recognized for their cultural, architectural, or historical importance.
-
D.
National Register of Historic Places in Lawrence, Massachusetts
The National Register of Historic Places in Lawrence, Massachusetts is the official federal list of buildings, districts, sites, and structures in Lawrence recognized for their historical, architectural, or cultural significance.
-
E.
National Historic Landmarks in Massachusetts
National Historic Landmarks in Massachusetts are federally recognized sites across the state that possess exceptional historical significance to the United States, ranging from Revolutionary War locations to notable architectural and cultural landmarks.
- 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_69d86da2858c819090cc8481e7207b6e |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e0b529c6b481909664153ecc381f7c |
completed | April 16, 2026, 10:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff999210148190baa6dcb19be3a1d3 |
completed | May 9, 2026, 8:31 p.m. |
| NEDg | Description generation | batch_69ff9aa845348190907116612d2c87cd |
completed | May 9, 2026, 8:35 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff9b8833b88190967db29027b5f987 |
completed | May 9, 2026, 8:39 p.m. |
Created at: April 10, 2026, 4:48 a.m.