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.