Triple
T21410901
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Three Rivers Heritage Trail segments within Pittsburgh |
E528163
|
entity |
| Predicate | hasSegment |
P3574
|
FINISHED |
| Object | Lawrenceville Trail |
—
|
NE NERFINISHED |
How this triple was built (3 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: Lawrenceville Trail | Statement: [Three Rivers Heritage Trail segments within Pittsburgh, hasSegment, Lawrenceville Trail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lawrenceville Trail Context triple: [Three Rivers Heritage Trail segments within Pittsburgh, hasSegment, Lawrenceville Trail]
-
A.
Lawrence Hopewell Trail
The Lawrence Hopewell Trail is a multi-use recreational path in Mercer County, New Jersey, that offers walking, running, and cycling routes through local parks, neighborhoods, and natural areas.
-
B.
Maryland Heights Trail
Maryland Heights Trail is a popular hiking route near Harpers Ferry, West Virginia, known for its steep climb and panoramic views of the town and the confluence of the Potomac and Shenandoah rivers.
-
C.
Lilburn Greenway Trail
Lilburn Greenway Trail is a multi-use recreational path in Lilburn, Georgia, popular for walking, running, and cycling through natural and park areas.
-
D.
Sam Merrill Trail
The Sam Merrill Trail is a popular hiking route in the San Gabriel Mountains of Southern California that climbs from the foothills above Pasadena to the historic Echo Mountain and the ruins of the old Echo Mountain House and Mount Lowe Railway.
-
E.
Fox Hollow Trail
Fox Hollow Trail is a hiking path in Shenandoah National Park known for its easy loop through forest and historic homestead sites, beginning near the Dickey Ridge Visitor Center.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lawrenceville Trail Target entity description: Lawrenceville Trail is a segment of Pittsburgh’s Three Rivers Heritage Trail that runs through the historic Lawrenceville neighborhood along the Allegheny River, providing a mixed-use path for walking, running, and cycling.
-
A.
Lawrence Hopewell Trail
The Lawrence Hopewell Trail is a multi-use recreational path in Mercer County, New Jersey, that offers walking, running, and cycling routes through local parks, neighborhoods, and natural areas.
-
B.
Maryland Heights Trail
Maryland Heights Trail is a popular hiking route near Harpers Ferry, West Virginia, known for its steep climb and panoramic views of the town and the confluence of the Potomac and Shenandoah rivers.
-
C.
Lilburn Greenway Trail
Lilburn Greenway Trail is a multi-use recreational path in Lilburn, Georgia, popular for walking, running, and cycling through natural and park areas.
-
D.
Sam Merrill Trail
The Sam Merrill Trail is a popular hiking route in the San Gabriel Mountains of Southern California that climbs from the foothills above Pasadena to the historic Echo Mountain and the ruins of the old Echo Mountain House and Mount Lowe Railway.
-
E.
Fox Hollow Trail
Fox Hollow Trail is a hiking path in Shenandoah National Park known for its easy loop through forest and historic homestead sites, beginning near the Dickey Ridge Visitor Center.
- F. None of above. chosen
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.