Triple

T10150858
Position Surface form Disambiguated ID Type / Status
Subject Newburyport, Massachusetts E232633 entity
Predicate hasLandmark P105 FINISHED
Object Clipper City Rail Trail
Clipper City Rail Trail is a multi-use recreational path in Newburyport, Massachusetts, that follows a former rail corridor and features public art, scenic views, and connections to the city’s waterfront and neighborhoods.
 E843077 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: Clipper City Rail Trail | Statement: [Newburyport, Massachusetts, hasLandmark, Clipper City Rail Trail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Clipper City Rail Trail
Context triple: [Newburyport, Massachusetts, hasLandmark, Clipper City Rail Trail]
  • A. Torrey C. Brown Rail Trail
    The Torrey C. Brown Rail Trail is a popular multi-use recreational trail in Maryland that follows a former railroad corridor through scenic rural and wooded landscapes.
  • B. Indian Head Rail Trail
    Indian Head Rail Trail is a multi-use recreational path in Charles County, Maryland, converted from a former railroad corridor and popular for walking, running, and cycling.
  • C. Bruce Freeman Rail Trail
    The Bruce Freeman Rail Trail is a multi-use recreational path in Massachusetts that follows a former railroad corridor through several communities, offering scenic routes for walking, running, and cycling.
  • D. Iron Horse Regional Trail
    The Iron Horse Regional Trail is a multi-use, paved rail-trail in California’s East Bay that follows a former railroad corridor through several communities, including Danville.
  • E. Wallkill Valley Rail Trail
    The Wallkill Valley Rail Trail is a scenic multi-use path in New York’s Hudson Valley that follows a former railroad corridor through towns like New Paltz, offering hiking, biking, and nature viewing.
  • 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: Clipper City Rail Trail
Triple: [Newburyport, Massachusetts, hasLandmark, Clipper City Rail Trail]
Generated description
Clipper City Rail Trail is a multi-use recreational path in Newburyport, Massachusetts, that follows a former rail corridor and features public art, scenic views, and connections to the city’s waterfront and neighborhoods.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Clipper City Rail Trail
Target entity description: Clipper City Rail Trail is a multi-use recreational path in Newburyport, Massachusetts, that follows a former rail corridor and features public art, scenic views, and connections to the city’s waterfront and neighborhoods.
  • A. Torrey C. Brown Rail Trail
    The Torrey C. Brown Rail Trail is a popular multi-use recreational trail in Maryland that follows a former railroad corridor through scenic rural and wooded landscapes.
  • B. Indian Head Rail Trail
    Indian Head Rail Trail is a multi-use recreational path in Charles County, Maryland, converted from a former railroad corridor and popular for walking, running, and cycling.
  • C. Bruce Freeman Rail Trail
    The Bruce Freeman Rail Trail is a multi-use recreational path in Massachusetts that follows a former railroad corridor through several communities, offering scenic routes for walking, running, and cycling.
  • D. Iron Horse Regional Trail
    The Iron Horse Regional Trail is a multi-use, paved rail-trail in California’s East Bay that follows a former railroad corridor through several communities, including Danville.
  • E. Wallkill Valley Rail Trail
    The Wallkill Valley Rail Trail is a scenic multi-use path in New York’s Hudson Valley that follows a former railroad corridor through towns like New Paltz, offering hiking, biking, and nature viewing.
  • 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_69ca84885e48819088a31b127cf44904 completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cdec0584a48190b65daa8370555c27 completed April 2, 2026, 4:09 a.m.
NED1 Entity disambiguation (via context triple) batch_69d2e640d1e0819094d30556ccb958b0 completed April 5, 2026, 10:46 p.m.
NEDg Description generation batch_69d2e750ceb08190bcb2d1b4c248b30d completed April 5, 2026, 10:50 p.m.
NED2 Entity disambiguation (via description) batch_69d2e7c486ec819085ad0019ab12de2a completed April 5, 2026, 10:52 p.m.
Created at: March 30, 2026, 9:08 p.m.