Triple
T2990788
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hagerstown, Maryland |
E80744
|
entity |
| Predicate | hasHistoricDistrict |
P295
|
FINISHED |
| Object |
Hagerstown City Park Historic District
Hagerstown City Park Historic District is a designated historic area centered around Hagerstown’s City Park, noted for its early 20th-century park landscapes, cultural institutions, and surrounding residential architecture.
|
E316333
|
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: Hagerstown City Park Historic District | Statement: [Hagerstown, Maryland, hasHistoricDistrict, Hagerstown City Park Historic District]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hagerstown City Park Historic District Context triple: [Hagerstown, Maryland, hasHistoricDistrict, Hagerstown City Park Historic District]
-
A.
Hyattsville Historic District
Hyattsville Historic District is a nationally recognized residential and commercial area in Hyattsville, Maryland, noted for its late-19th- and early-20th-century architecture and historic small-town character just outside Washington, D.C.
-
B.
Gaithersburg Historic District
Gaithersburg Historic District is a preserved area in Gaithersburg, Maryland, known for its collection of historic buildings and streetscapes that reflect the city’s 19th- and early 20th-century development.
-
C.
Greenbelt Historic District
Greenbelt Historic District is a planned New Deal–era community in Greenbelt, Maryland, notable for its early 20th-century garden city design and cooperative housing.
-
D.
Rockville Historic District
Rockville Historic District is a preserved area in Rockville, Maryland, known for its concentration of historically significant buildings and architecture reflecting the city’s development over time.
-
E.
Sharpsburg Historic District
Sharpsburg Historic District is a preserved area in Sharpsburg, Maryland, known for its 19th-century architecture and its association with the nearby Antietam National Battlefield.
- 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: Hagerstown City Park Historic District Triple: [Hagerstown, Maryland, hasHistoricDistrict, Hagerstown City Park Historic District]
Generated description
Hagerstown City Park Historic District is a designated historic area centered around Hagerstown’s City Park, noted for its early 20th-century park landscapes, cultural institutions, and surrounding residential architecture.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hagerstown City Park Historic District Target entity description: Hagerstown City Park Historic District is a designated historic area centered around Hagerstown’s City Park, noted for its early 20th-century park landscapes, cultural institutions, and surrounding residential architecture.
-
A.
Hyattsville Historic District
Hyattsville Historic District is a nationally recognized residential and commercial area in Hyattsville, Maryland, noted for its late-19th- and early-20th-century architecture and historic small-town character just outside Washington, D.C.
-
B.
Gaithersburg Historic District
Gaithersburg Historic District is a preserved area in Gaithersburg, Maryland, known for its collection of historic buildings and streetscapes that reflect the city’s 19th- and early 20th-century development.
-
C.
Greenbelt Historic District
Greenbelt Historic District is a planned New Deal–era community in Greenbelt, Maryland, notable for its early 20th-century garden city design and cooperative housing.
-
D.
Rockville Historic District
Rockville Historic District is a preserved area in Rockville, Maryland, known for its concentration of historically significant buildings and architecture reflecting the city’s development over time.
-
E.
Sharpsburg Historic District
Sharpsburg Historic District is a preserved area in Sharpsburg, Maryland, known for its 19th-century architecture and its association with the nearby Antietam National Battlefield.
- 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_69ad8b16c3488190b47b6aa7a59a335b |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad99de55208190bc56ecbe08638e5a |
completed | March 8, 2026, 3:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b10900bf2481908b7742604c6d75e9 |
completed | March 11, 2026, 6:17 a.m. |
| NEDg | Description generation | batch_69b10bda5d848190af553c5f245b165d |
completed | March 11, 2026, 6:29 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b10c9198288190a3e3ea7112ea4460 |
completed | March 11, 2026, 6:32 a.m. |
Created at: March 8, 2026, 2:59 p.m.