Triple
T2907468
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Contra Costa Canal |
E63599
|
entity |
| Predicate | hasAssociatedFacility |
P12416
|
FINISHED |
| Object |
Contra Costa Canal Trail
The Contra Costa Canal Trail is a multi-use recreational path in Contra Costa County, California, popular with cyclists, runners, and walkers as it follows the route of the Contra Costa Canal through suburban communities and open spaces.
|
E310419
|
NE FINISHED |
How this triple was built (5 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: Contra Costa Canal Trail | Statement: [Contra Costa Canal, hasAssociatedFacility, Contra Costa Canal Trail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Contra Costa Canal Trail Context triple: [Contra Costa Canal, hasAssociatedFacility, Contra Costa Canal Trail]
-
A.
Stevens Creek Trail
Stevens Creek Trail is a popular multi-use recreational path in Mountain View, California, that follows Stevens Creek and connects parks, neighborhoods, and nearby cities for walking, running, and cycling.
-
B.
Sespe River Trail
Sespe River Trail is a popular backcountry hiking route in Southern California that follows the Sespe Creek through remote canyons, hot springs, and wilderness scenery.
-
C.
Redwood Creek Trail
Redwood Creek Trail is a scenic hiking route that follows the course of Redwood Creek through towering redwood forests in Northern California’s Redwood National and State Parks.
-
D.
Santa Cruz Trail
Santa Cruz Trail is a popular backcountry hiking route in California known for its scenic canyon views, chaparral landscapes, and access to remote areas of the Santa Ynez Mountains.
-
E.
Redwood Trail
Redwood Trail is a scenic hiking path in Big Basin Redwoods State Park that winds through towering old-growth coast redwood forest.
- 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: Contra Costa Canal Trail Triple: [Contra Costa Canal, hasAssociatedFacility, Contra Costa Canal Trail]
Generated description
The Contra Costa Canal Trail is a multi-use recreational path in Contra Costa County, California, popular with cyclists, runners, and walkers as it follows the route of the Contra Costa Canal through suburban communities and open spaces.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Contra Costa Canal Trail Target entity description: The Contra Costa Canal Trail is a multi-use recreational path in Contra Costa County, California, popular with cyclists, runners, and walkers as it follows the route of the Contra Costa Canal through suburban communities and open spaces.
-
A.
Stevens Creek Trail
Stevens Creek Trail is a popular multi-use recreational path in Mountain View, California, that follows Stevens Creek and connects parks, neighborhoods, and nearby cities for walking, running, and cycling.
-
B.
Sespe River Trail
Sespe River Trail is a popular backcountry hiking route in Southern California that follows the Sespe Creek through remote canyons, hot springs, and wilderness scenery.
-
C.
Redwood Creek Trail
Redwood Creek Trail is a scenic hiking route that follows the course of Redwood Creek through towering redwood forests in Northern California’s Redwood National and State Parks.
-
D.
Santa Cruz Trail
Santa Cruz Trail is a popular backcountry hiking route in California known for its scenic canyon views, chaparral landscapes, and access to remote areas of the Santa Ynez Mountains.
-
E.
Redwood Trail
Redwood Trail is a scenic hiking path in Big Basin Redwoods State Park that winds through towering old-growth coast redwood forest.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasAssociatedFacility Context triple: [Contra Costa Canal, hasAssociatedFacility, Contra Costa Canal Trail]
-
A.
hasFacilityType
Indicates that an entity possesses or is associated with a specific type or category of facility.
-
B.
hasFacilities
chosen
Indicates that an entity possesses, provides, or is equipped with certain facilities or physical resources.
-
C.
ownsFacilityOn
Indicates that one entity possesses ownership or control over a facility located on or associated with another entity (such as a site, property, or area).
-
D.
isNamedFacilityOf
Indicates that a facility bears the official name associated with a particular entity (such as an organization, person, or place).
-
E.
isPrimaryFacilityFor
Indicates that one facility serves as the main or principal location responsible for supporting or serving a particular entity or operation.
- F. None of above.
Provenance (6 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_69ab4c44ab448190b9411324e8a1fc1d |
completed | March 6, 2026, 9:51 p.m. |
| NER | Named-entity recognition | batch_69abe0d0628c81909680af2f0db2ecae |
completed | March 7, 2026, 8:24 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b05612e79081908c962c2fe2e362d6 |
completed | March 10, 2026, 5:34 p.m. |
| NEDg | Description generation | batch_69b0622ea7b081908fe2029e61e21766 |
completed | March 10, 2026, 6:25 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b0630cd0348190882a4d3d90b217c3 |
completed | March 10, 2026, 6:29 p.m. |
| PD | Predicate disambiguation | batch_69abdd19bac881908f047d616aca8438 |
completed | March 7, 2026, 8:08 a.m. |
Created at: March 6, 2026, 10:11 p.m.