Triple
T21410899
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Three Rivers Heritage Trail segments within Pittsburgh |
E528163
|
entity |
| Predicate | hasSegment |
P3574
|
FINISHED |
| Object |
Eliza Furnace Trail
Eliza Furnace Trail is a popular multi-use urban trail in Pittsburgh that follows the Monongahela River, connecting downtown with surrounding neighborhoods for walking, running, and cycling.
|
E1484350
|
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: Eliza Furnace Trail | Statement: [Three Rivers Heritage Trail segments within Pittsburgh, hasSegment, Eliza Furnace Trail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eliza Furnace Trail Context triple: [Three Rivers Heritage Trail segments within Pittsburgh, hasSegment, Eliza Furnace Trail]
-
A.
Boott Spur Trail
Boott Spur Trail is a steep hiking route on Mount Washington in New Hampshire’s White Mountains, known for its rugged ascent and expansive alpine views above treeline.
-
B.
Carthew-Alderson Trail
The Carthew-Alderson Trail is a popular alpine hiking route in Alberta’s Rocky Mountains known for its dramatic ridgelines, lakes, and panoramic views within Waterton Lakes National Park.
-
C.
Mattabesett Trail
The Mattabesett Trail is a long-distance hiking route in central Connecticut known for its rugged terrain, scenic vistas, and passage along the Metacomet Ridge’s traprock cliffs and forests.
-
D.
Rock Hollow Trail
Rock Hollow Trail is a popular multi-use recreational trail in Wildwood, Missouri, known for its scenic wooded corridors and connections to the local trail network.
-
E.
Furnace Trail
Furnace Trail is a hiking path in New Jersey’s Long Pond Ironworks State Park that leads visitors through historic ironmaking ruins and surrounding woodland.
- 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: Eliza Furnace Trail Triple: [Three Rivers Heritage Trail segments within Pittsburgh, hasSegment, Eliza Furnace Trail]
Generated description
Eliza Furnace Trail is a popular multi-use urban trail in Pittsburgh that follows the Monongahela River, connecting downtown with surrounding neighborhoods for walking, running, and cycling.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Eliza Furnace Trail Target entity description: Eliza Furnace Trail is a popular multi-use urban trail in Pittsburgh that follows the Monongahela River, connecting downtown with surrounding neighborhoods for walking, running, and cycling.
-
A.
Boott Spur Trail
Boott Spur Trail is a steep hiking route on Mount Washington in New Hampshire’s White Mountains, known for its rugged ascent and expansive alpine views above treeline.
-
B.
Carthew-Alderson Trail
The Carthew-Alderson Trail is a popular alpine hiking route in Alberta’s Rocky Mountains known for its dramatic ridgelines, lakes, and panoramic views within Waterton Lakes National Park.
-
C.
Mattabesett Trail
The Mattabesett Trail is a long-distance hiking route in central Connecticut known for its rugged terrain, scenic vistas, and passage along the Metacomet Ridge’s traprock cliffs and forests.
-
D.
Rock Hollow Trail
Rock Hollow Trail is a popular multi-use recreational trail in Wildwood, Missouri, known for its scenic wooded corridors and connections to the local trail network.
-
E.
Furnace Trail
Furnace Trail is a hiking path in New Jersey’s Long Pond Ironworks State Park that leads visitors through historic ironmaking ruins and surrounding woodland.
- 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_69e0c454c248819093425d1099101c09 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69e8b1b6595481908cdf915e3585ed08 |
completed | April 22, 2026, 11:32 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a09c8f5491081908b3d3d3f9425d6ba |
completed | May 17, 2026, 1:56 p.m. |
| NEDg | Description generation | batch_6a09c99200a88190ad13565044dfcac0 |
completed | May 17, 2026, 1:58 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a09ca3c4ec48190829b1bd83b933f53 |
completed | May 17, 2026, 2:01 p.m. |
Created at: April 16, 2026, 5:43 p.m.