Triple
T4853078
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Holliston, Massachusetts |
E108460
|
entity |
| Predicate | hasRailTrail |
P2515
|
FINISHED |
| Object |
Upper Charles Rail Trail
The Upper Charles Rail Trail is a multi-use recreational path in Massachusetts that follows a former railroad corridor, offering scenic walking, running, and cycling routes through several communities including Holliston.
|
E475245
|
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: Upper Charles Rail Trail | Statement: [Holliston, Massachusetts, hasRailTrail, Upper Charles Rail Trail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Upper Charles Rail Trail Context triple: [Holliston, Massachusetts, hasRailTrail, Upper Charles Rail Trail]
-
A.
Ashuwillticook Rail Trail
Ashuwillticook Rail Trail is a scenic multi-use path in western Massachusetts that follows a former railroad corridor along lakes, rivers, and mountain views popular for walking, running, and cycling.
-
B.
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.
-
C.
Spruce Railroad Trail
Spruce Railroad Trail is a scenic hiking and biking path in Washington’s Olympic National Park that follows an old railroad grade along the shores of Lake Crescent.
-
D.
Root River State Trail
Root River State Trail is a scenic multi-use recreational trail in southeastern Minnesota that follows the Root River through small towns and rural landscapes, popular for biking, hiking, and cross-country skiing.
-
E.
South County Trailway
The South County Trailway is a paved multi-use rail trail in Westchester County, New York, popular for cycling, running, and walking along a former railroad corridor.
- 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: Upper Charles Rail Trail Triple: [Holliston, Massachusetts, hasRailTrail, Upper Charles Rail Trail]
Generated description
The Upper Charles Rail Trail is a multi-use recreational path in Massachusetts that follows a former railroad corridor, offering scenic walking, running, and cycling routes through several communities including Holliston.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Upper Charles Rail Trail Target entity description: The Upper Charles Rail Trail is a multi-use recreational path in Massachusetts that follows a former railroad corridor, offering scenic walking, running, and cycling routes through several communities including Holliston.
-
A.
Ashuwillticook Rail Trail
Ashuwillticook Rail Trail is a scenic multi-use path in western Massachusetts that follows a former railroad corridor along lakes, rivers, and mountain views popular for walking, running, and cycling.
-
B.
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.
-
C.
Spruce Railroad Trail
Spruce Railroad Trail is a scenic hiking and biking path in Washington’s Olympic National Park that follows an old railroad grade along the shores of Lake Crescent.
-
D.
Root River State Trail
Root River State Trail is a scenic multi-use recreational trail in southeastern Minnesota that follows the Root River through small towns and rural landscapes, popular for biking, hiking, and cross-country skiing.
-
E.
South County Trailway
The South County Trailway is a paved multi-use rail trail in Westchester County, New York, popular for cycling, running, and walking along a former railroad corridor.
- 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_69bd440a89548190a5f14ba6da6b97dc |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd6d3b00fc81909bdb95eb9648c907 |
completed | March 20, 2026, 3:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be5ce33db08190b44b5b0c21d2b850 |
completed | March 21, 2026, 8:54 a.m. |
| NEDg | Description generation | batch_69be5f6142648190bec124c9c3933cc3 |
completed | March 21, 2026, 9:05 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be5ffeaff481908e2e80ddc82ac6f6 |
completed | March 21, 2026, 9:08 a.m. |
Created at: March 20, 2026, 1:26 p.m.