Triple
T396814
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Winchester, Massachusetts |
E9200
|
entity |
| Predicate | hasPark |
P105
|
FINISHED |
| Object |
Middlesex Fells Reservation
Middlesex Fells Reservation is a large state-owned natural area north of Boston known for its forests, reservoirs, and extensive network of hiking and biking trails.
|
E51717
|
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: Middlesex Fells Reservation | Statement: [Winchester, Massachusetts, hasPark, Middlesex Fells Reservation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Middlesex Fells Reservation Context triple: [Winchester, Massachusetts, hasPark, Middlesex Fells Reservation]
-
A.
Charles River Reservation
Charles River Reservation is a linear state park in Massachusetts that preserves and provides recreational access to the scenic banks and basin of the Charles River.
-
B.
Blue Hills Reservation
Blue Hills Reservation is a large state park and conservation area just south of Boston, known for its wooded hills, hiking trails, and scenic views.
-
C.
Alewife Brook Reservation
Alewife Brook Reservation is an urban nature preserve and wetland park in Cambridge, Massachusetts, offering trails, wildlife habitat, and floodplain protection within the Boston metropolitan area.
-
D.
Lynn Woods Reservation
Lynn Woods Reservation is a large municipal forest and public park in Lynn, Massachusetts, known for its extensive trail system, scenic ponds, and historic stone structures.
-
E.
Ward Pound Ridge Reservation
Ward Pound Ridge Reservation is the largest park in Westchester County, New York, known for its extensive network of hiking trails, diverse natural habitats, and outdoor recreation opportunities.
- 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: Middlesex Fells Reservation Triple: [Winchester, Massachusetts, hasPark, Middlesex Fells Reservation]
Generated description
Middlesex Fells Reservation is a large state-owned natural area north of Boston known for its forests, reservoirs, and extensive network of hiking and biking trails.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Middlesex Fells Reservation Target entity description: Middlesex Fells Reservation is a large state-owned natural area north of Boston known for its forests, reservoirs, and extensive network of hiking and biking trails.
-
A.
Charles River Reservation
Charles River Reservation is a linear state park in Massachusetts that preserves and provides recreational access to the scenic banks and basin of the Charles River.
-
B.
Blue Hills Reservation
Blue Hills Reservation is a large state park and conservation area just south of Boston, known for its wooded hills, hiking trails, and scenic views.
-
C.
Alewife Brook Reservation
Alewife Brook Reservation is an urban nature preserve and wetland park in Cambridge, Massachusetts, offering trails, wildlife habitat, and floodplain protection within the Boston metropolitan area.
-
D.
Lynn Woods Reservation
Lynn Woods Reservation is a large municipal forest and public park in Lynn, Massachusetts, known for its extensive trail system, scenic ponds, and historic stone structures.
-
E.
Ward Pound Ridge Reservation
Ward Pound Ridge Reservation is the largest park in Westchester County, New York, known for its extensive network of hiking trails, diverse natural habitats, and outdoor recreation opportunities.
- 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_69a2e8004cb88190b92ed1add6abf41a |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2ec8a941081909a152fda0ce24a98 |
completed | Feb. 28, 2026, 1:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a41772e19c8190b02a212f13b4d8aa |
completed | March 1, 2026, 10:39 a.m. |
| NEDg | Description generation | batch_69a417d8d8ac8190b9e36238b7bd9132 |
completed | March 1, 2026, 10:41 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4184c1b1c8190b728a2ef5cdc8346 |
completed | March 1, 2026, 10:43 a.m. |
Created at: Feb. 28, 2026, 1:08 p.m.