Triple
T18909750
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | West Chester Downtown Historic District |
E462565
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object |
West Chester Borough Hall
West Chester Borough Hall is a historic municipal government building located in the downtown area of West Chester, Pennsylvania.
|
E462565
|
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: West Chester Borough Hall | Statement: [West Chester Downtown Historic District, contains, West Chester Borough Hall]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Chester Borough Hall Context triple: [West Chester Downtown Historic District, contains, West Chester Borough Hall]
-
A.
West Chester Downtown Historic District
West Chester Downtown Historic District is a preserved central area of West Chester, Pennsylvania, known for its concentration of 18th- and 19th-century architecture, historic civic buildings, and vibrant commercial streets.
-
B.
West Chester Public Library
West Chester Public Library is a community-focused public library in West Chester, Pennsylvania, providing residents with access to books, digital resources, and educational programs.
-
C.
Chester County Courthouse
The Chester County Courthouse is a historic judicial building and landmark that serves as the center of county government and legal proceedings in Chester County, Pennsylvania.
-
D.
Chester County Courthouse
The Chester County Courthouse is a historic judicial building and local government center located in Chester County, South Carolina.
-
E.
West Chester Branch
West Chester Branch was a former Pennsylvania Railroad commuter rail line in the Philadelphia region that once connected West Chester to central Philadelphia.
- 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: West Chester Borough Hall Triple: [West Chester Downtown Historic District, contains, West Chester Borough Hall]
Generated description
West Chester Borough Hall is a historic municipal government building located in the downtown area of West Chester, Pennsylvania.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: West Chester Borough Hall Target entity description: West Chester Borough Hall is a historic municipal government building located in the downtown area of West Chester, Pennsylvania.
-
A.
West Chester Downtown Historic District
chosen
West Chester Downtown Historic District is a preserved central area of West Chester, Pennsylvania, known for its concentration of 18th- and 19th-century architecture, historic civic buildings, and vibrant commercial streets.
-
B.
West Chester Public Library
West Chester Public Library is a community-focused public library in West Chester, Pennsylvania, providing residents with access to books, digital resources, and educational programs.
-
C.
Chester County Courthouse
The Chester County Courthouse is a historic judicial building and landmark that serves as the center of county government and legal proceedings in Chester County, Pennsylvania.
-
D.
Chester County Courthouse
The Chester County Courthouse is a historic judicial building and local government center located in Chester County, South Carolina.
-
E.
West Chester Branch
West Chester Branch was a former Pennsylvania Railroad commuter rail line in the Philadelphia region that once connected West Chester to central Philadelphia.
- F. None of above.
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_69d8dcfd05bc819088903cca13cc2846 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5c62182f48190ad81b6ef0c7bc7da |
completed | April 20, 2026, 6:22 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0582c196888190aa49b219aedb06e2 |
completed | May 14, 2026, 8:07 a.m. |
| NEDg | Description generation | batch_6a05890d8a1c819081ad3d12ea9c4d5e |
completed | May 14, 2026, 8:34 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0589a3c0c08190be4b6dd6e9a56fdb |
completed | May 14, 2026, 8:36 a.m. |
Created at: April 10, 2026, 11:58 a.m.