Triple

T19785250
Position Surface form Disambiguated ID Type / Status
Subject Upper Charles Rail Trail E475245 entity
Predicate hasSection P35 FINISHED
Object Holliston section of Upper Charles Rail Trail — NE NERFINISHED

How this triple was built (3 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: Holliston section of Upper Charles Rail Trail | Statement: [Upper Charles Rail Trail, hasSection, Holliston section of Upper Charles Rail Trail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Holliston section of Upper Charles Rail Trail
Context triple: [Upper Charles Rail Trail, hasSection, Holliston section of Upper Charles Rail Trail]
  • A. Mass Central Rail Trail
    The Mass Central Rail Trail is a long-distance multi-use recreational path in Massachusetts that follows the former Massachusetts Central Railroad corridor through numerous communities.
  • B. Nashua River Rail Trail
    Nashua River Rail Trail is a scenic multi-use recreational path in Massachusetts that follows the Nashua River along a former railroad corridor, popular for walking, running, and cycling.
  • C. Cape Cod Rail Trail
    The Cape Cod Rail Trail is a popular paved multi-use path on Cape Cod that follows a former railroad corridor through several towns, offering scenic cycling, walking, and recreation opportunities.
  • D. 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.
  • E. Heritage Rail Trail
    Heritage Rail Trail is a multi-use recreational path in Hilliard, Ohio, that follows a former railroad corridor and is popular for walking, running, and cycling.
  • 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: Holliston section of Upper Charles Rail Trail
Target entity description: The Holliston section of the Upper Charles Rail Trail is a multi-use recreational path in Holliston, Massachusetts, following a former rail corridor through wooded and scenic areas for walking, running, and cycling.
  • A. Mass Central Rail Trail
    The Mass Central Rail Trail is a long-distance multi-use recreational path in Massachusetts that follows the former Massachusetts Central Railroad corridor through numerous communities.
  • B. Nashua River Rail Trail
    Nashua River Rail Trail is a scenic multi-use recreational path in Massachusetts that follows the Nashua River along a former railroad corridor, popular for walking, running, and cycling.
  • C. Cape Cod Rail Trail
    The Cape Cod Rail Trail is a popular paved multi-use path on Cape Cod that follows a former railroad corridor through several towns, offering scenic cycling, walking, and recreation opportunities.
  • D. 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.
  • E. Heritage Rail Trail
    Heritage Rail Trail is a multi-use recreational path in Hilliard, Ohio, that follows a former railroad corridor and is popular for walking, running, and cycling.
  • F. None of above. chosen

Provenance (2 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_69d8e51b014081908b263e167370529a completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6538715b8819080c6930e7d16ab58 completed April 20, 2026, 4:25 p.m.
Created at: April 10, 2026, 1:49 p.m.