Triple
T4892025
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Wachusett Reservoir |
E109585
|
entity |
| Predicate | outflow |
P967
|
FINISHED |
| Object |
Cosgrove Tunnel
Cosgrove Tunnel is a major water-supply conduit in Massachusetts that carries drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
|
E479804
|
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: Cosgrove Tunnel | Statement: [Wachusett Reservoir, outflow, Cosgrove Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cosgrove Tunnel Context triple: [Wachusett Reservoir, outflow, Cosgrove Tunnel]
-
A.
Blisworth Tunnel
Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
-
B.
Braunston Tunnel
Braunston Tunnel is a long 19th-century canal tunnel in Northamptonshire, England, forming a key part of the historic Grand Union Canal route.
-
C.
Malpas Tunnel
Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
-
D.
Harecastle Tunnel
Harecastle Tunnel is a historic and notoriously long canal tunnel in Staffordshire, England, known for its low, narrow passage and role in improving industrial-era transport on the Trent and Mersey Canal.
-
E.
Foulridge Tunnel
Foulridge Tunnel is a historic canal tunnel in Lancashire, England, carrying the Leeds and Liverpool Canal beneath the village of Foulridge and surrounding hills.
- 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: Cosgrove Tunnel Triple: [Wachusett Reservoir, outflow, Cosgrove Tunnel]
Generated description
Cosgrove Tunnel is a major water-supply conduit in Massachusetts that carries drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cosgrove Tunnel Target entity description: Cosgrove Tunnel is a major water-supply conduit in Massachusetts that carries drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
-
A.
Blisworth Tunnel
Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
-
B.
Braunston Tunnel
Braunston Tunnel is a long 19th-century canal tunnel in Northamptonshire, England, forming a key part of the historic Grand Union Canal route.
-
C.
Malpas Tunnel
Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
-
D.
Harecastle Tunnel
Harecastle Tunnel is a historic and notoriously long canal tunnel in Staffordshire, England, known for its low, narrow passage and role in improving industrial-era transport on the Trent and Mersey Canal.
-
E.
Foulridge Tunnel
Foulridge Tunnel is a historic canal tunnel in Lancashire, England, carrying the Leeds and Liverpool Canal beneath the village of Foulridge and surrounding hills.
- 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_69bd4410bbf88190aad50d2451c863d6 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd6e2444dc819088d5562e90d16d9b |
completed | March 20, 2026, 3:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be6fbf3e74819099910475bbd18734 |
completed | March 21, 2026, 10:15 a.m. |
| NEDg | Description generation | batch_69be735ea2cc819085c221b7230db63d |
completed | March 21, 2026, 10:30 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be73b237388190b3502e64e185a26e |
completed | March 21, 2026, 10:32 a.m. |
Created at: March 20, 2026, 1:28 p.m.