Triple
T20240669
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mass Central Rail Trail |
E498277
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Massachusetts rail trail network |
—
|
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: Massachusetts rail trail network | Statement: [Mass Central Rail Trail, partOf, Massachusetts rail trail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Massachusetts rail trail network Context triple: [Mass Central Rail Trail, partOf, Massachusetts rail trail network]
-
A.
Massachusetts rail trail network
chosen
The Massachusetts rail trail network is an interconnected system of multi-use paths built on former railroad corridors across the state, providing recreational and commuter routes for cyclists, walkers, and other non-motorized users.
-
B.
Greater Boston trail network
The Greater Boston trail network is an interconnected system of multi-use paths and greenways that link communities throughout the Boston metropolitan area for recreation and transportation.
-
C.
Massachusetts trail system
The Massachusetts trail system is a statewide network of interconnected hiking and recreational trails that spans diverse landscapes, including forests, mountains, and coastal areas, and is managed by various public and private entities for outdoor recreation and conservation.
-
D.
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.
-
E.
U.S. rail-trail network
The U.S. rail-trail network is a nationwide system of multi-use recreational trails created by converting former railroad corridors into routes for walking, cycling, and other non-motorized activities.
- 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_69da6274c58c81909c646eabed6f4f30 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6716eabf48190ae4e760f472114bd |
completed | April 20, 2026, 6:33 p.m. |
Created at: April 11, 2026, 11:40 p.m.