Triple

T4888562
Position Surface form Disambiguated ID Type / Status
Subject Big Sioux River E109500 entity
Predicate hasProtectedArea P855 FINISHED
Object Big Sioux River Greenway (Sioux Falls)
Big Sioux River Greenway (Sioux Falls) is an urban recreational and conservation corridor along the Big Sioux River in Sioux Falls, South Dakota, featuring trails, parks, and natural habitat areas.
 E477388 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Big Sioux River Greenway (Sioux Falls) | Statement: [Big Sioux River, hasProtectedArea, Big Sioux River Greenway (Sioux Falls)]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Big Sioux River Greenway (Sioux Falls)
Context triple: [Big Sioux River, hasProtectedArea, Big Sioux River Greenway (Sioux Falls)]
  • A. Missouri Riverfront trail system
    The Missouri Riverfront trail system is a network of recreational trails along the Missouri River that connects key riverfront attractions and parks, offering scenic routes for walking, running, and cycling.
  • B. St. Vrain Greenway
    St. Vrain Greenway is a multi-use trail and natural corridor along the St. Vrain Creek in Longmont, Colorado, offering opportunities for walking, biking, and wildlife viewing.
  • C. Iowa River Corridor Trail
    The Iowa River Corridor Trail is a multi-use recreational path in Iowa that follows the Iowa River, offering opportunities for walking, running, and cycling through natural and urban landscapes.
  • D. Iowa Great Lakes Trail
    The Iowa Great Lakes Trail is a recreational multi-use pathway in northwest Iowa that connects the region’s lakes, parks, and communities for walking, biking, and other non-motorized activities.
  • E. High Line Trail (Iowa)
    The High Line Trail in Iowa is a recreational multi-use path created from a former railway corridor, offering opportunities for walking, running, and cycling as part of the state’s rail-trail system.
  • 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: Big Sioux River Greenway (Sioux Falls)
Target entity description: Big Sioux River Greenway (Sioux Falls) is an urban recreational and conservation corridor along the Big Sioux River in Sioux Falls, South Dakota, featuring trails, parks, and natural habitat areas.
  • A. Missouri Riverfront trail system
    The Missouri Riverfront trail system is a network of recreational trails along the Missouri River that connects key riverfront attractions and parks, offering scenic routes for walking, running, and cycling.
  • B. St. Vrain Greenway
    St. Vrain Greenway is a multi-use trail and natural corridor along the St. Vrain Creek in Longmont, Colorado, offering opportunities for walking, biking, and wildlife viewing.
  • C. Iowa River Corridor Trail
    The Iowa River Corridor Trail is a multi-use recreational path in Iowa that follows the Iowa River, offering opportunities for walking, running, and cycling through natural and urban landscapes.
  • D. Iowa Great Lakes Trail
    The Iowa Great Lakes Trail is a recreational multi-use pathway in northwest Iowa that connects the region’s lakes, parks, and communities for walking, biking, and other non-motorized activities.
  • E. High Line Trail (Iowa)
    The High Line Trail in Iowa is a recreational multi-use path created from a former railway corridor, offering opportunities for walking, running, and cycling as part of the state’s rail-trail system.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Big Sioux River Greenway (Sioux Falls)
Triple: [Big Sioux River, hasProtectedArea, Big Sioux River Greenway (Sioux Falls)]
Generated description
Big Sioux River Greenway (Sioux Falls) is an urban recreational and conservation corridor along the Big Sioux River in Sioux Falls, South Dakota, featuring trails, parks, and natural habitat areas.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69bd440f71348190b99938e59fb7f9a1 elicitation completed
NER batch_69bd6e053db8819087828e753c78d341 ner completed
NED1 batch_69be68126b288190889b2cf6e400ec0b ned_source_triple completed
NED2 batch_69be6ae548148190b16d4c9b17d3de9b ned_description completed
NEDg batch_69be6a64cc2481908d8e66518bad9ac6 nedg completed
Created at: March 20, 2026, 1:28 p.m.