Triple

T2857816
Position Surface form Disambiguated ID Type / Status
Subject Rails-to-Trails network in Iowa E63244 entity
Predicate hasPart P35 FINISHED
Object 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.
 E309385 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: High Line Trail (Iowa) | Statement: [Rails-to-Trails network in Iowa, hasPart, High Line Trail (Iowa)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: High Line Trail (Iowa)
Context triple: [Rails-to-Trails network in Iowa, hasPart, High Line Trail (Iowa)]
  • A. 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.
  • B. Riverview Trail (Iowa)
    Riverview Trail (Iowa) is a recreational multi-use path converted from a former rail corridor, offering scenic walking and biking opportunities along the Rails-to-Trails network in Iowa.
  • C. Raccoon River Valley Trail
    The Raccoon River Valley Trail is a popular multi-use recreational trail in central Iowa that follows a former railroad corridor through rural communities, farmland, and scenic river landscapes.
  • D. WIOWASH Trail (Iowa segment)
    WIOWASH Trail (Iowa segment) is a converted rail-trail corridor in Iowa that provides a multi-use recreational path for activities like walking, cycling, and nature observation.
  • E. Riverside Trail (Iowa City–Coralville)
    Riverside Trail (Iowa City–Coralville) is a multi-use recreational path connecting Iowa City and Coralville, Iowa, popular for walking, running, and cycling along the Iowa River.
  • 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: High Line Trail (Iowa)
Triple: [Rails-to-Trails network in Iowa, hasPart, High Line Trail (Iowa)]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: High Line Trail (Iowa)
Target entity description: 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.
  • A. 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.
  • B. Riverview Trail (Iowa)
    Riverview Trail (Iowa) is a recreational multi-use path converted from a former rail corridor, offering scenic walking and biking opportunities along the Rails-to-Trails network in Iowa.
  • C. Raccoon River Valley Trail
    The Raccoon River Valley Trail is a popular multi-use recreational trail in central Iowa that follows a former railroad corridor through rural communities, farmland, and scenic river landscapes.
  • D. WIOWASH Trail (Iowa segment)
    WIOWASH Trail (Iowa segment) is a converted rail-trail corridor in Iowa that provides a multi-use recreational path for activities like walking, cycling, and nature observation.
  • E. Riverside Trail (Iowa City–Coralville)
    Riverside Trail (Iowa City–Coralville) is a multi-use recreational path connecting Iowa City and Coralville, Iowa, popular for walking, running, and cycling along the Iowa River.
  • 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_69ab4c41e8c08190a9e8f5249cc12610 completed March 6, 2026, 9:50 p.m.
NER Named-entity recognition batch_69abdf89d3b4819086936f26d8683a2a completed March 7, 2026, 8:19 a.m.
NED1 Entity disambiguation (via context triple) batch_69b055e0c8088190a0fa67c9c14fc29b completed March 10, 2026, 5:33 p.m.
NEDg Description generation batch_69b0639974448190b59b6d8ed951f69f completed March 10, 2026, 6:31 p.m.
NED2 Entity disambiguation (via description) batch_69b063f9172481908e68c97059cf4b89 completed March 10, 2026, 6:33 p.m.
Created at: March 6, 2026, 10:02 p.m.