Triple
T21410924
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Three Rivers Heritage Trail segments within Pittsburgh |
E528163
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Three Rivers Heritage Trail |
—
|
NE NERFINISHED |
How this triple was built (2 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: Three Rivers Heritage Trail | Statement: [Three Rivers Heritage Trail segments within Pittsburgh, partOf, Three Rivers Heritage Trail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Three Rivers Heritage Trail Context triple: [Three Rivers Heritage Trail segments within Pittsburgh, partOf, Three Rivers Heritage Trail]
-
A.
Three Rivers Heritage Trail
chosen
The Three Rivers Heritage Trail is a multi-use riverfront trail system in Pittsburgh, Pennsylvania, that follows the banks of the city’s three rivers and connects numerous parks, neighborhoods, and historic sites.
-
B.
Heritage Rail Trail
Heritage Rail Trail is a multi-use recreational path in Hilliard, Ohio, that follows a former railroad corridor and is popular for walking, running, and cycling.
-
C.
Conestoga Greenway Trail
Conestoga Greenway Trail is a recreational walking and biking path that follows the Conestoga River, offering scenic views and outdoor access near Lancaster, Pennsylvania.
-
D.
Greenway Trail
Greenway Trail is a popular hiking and multi-use path within Seneca Creek State Park in Maryland, known for its scenic woodland and creekside views.
-
E.
Iron Horse Regional Trail
The Iron Horse Regional Trail is a multi-use, paved rail-trail in California’s East Bay that follows a former railroad corridor through several communities, including Danville.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0c454c248819093425d1099101c09 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69e8b1b6595481908cdf915e3585ed08 |
completed | April 22, 2026, 11:32 a.m. |
Created at: April 16, 2026, 5:43 p.m.