Triple

T21577993
Position Surface form Disambiguated ID Type / Status
Subject Transportation in Middlesex County, Massachusetts E532448 entity
Predicate bikeway P144329 FINISHED
Object Bruce Freeman Rail Trail — NE NERFINISHED

How this triple was built (2 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: Bruce Freeman Rail Trail | Statement: [Transportation in Middlesex County, Massachusetts, bikeway, Bruce Freeman Rail Trail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bruce Freeman Rail Trail
Context triple: [Transportation in Middlesex County, Massachusetts, bikeway, Bruce Freeman Rail Trail]
  • A. Bruce Freeman Rail Trail chosen
    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.
  • B. Hurley Rail Trail
    Hurley Rail Trail is a multi-use recreational path in Ulster County, New York, popular for walking, running, and cycling along a former railroad corridor.
  • C. 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.
  • 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. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69e0c4618bec8190bcb0feb74568cbb1 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69eeeb59cee08190aae55ad6e2a4e077 completed April 27, 2026, 4:51 a.m.
Created at: April 16, 2026, 6:31 p.m.