Triple
T14364792
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lechmere Viaduct |
E356202
|
entity |
| Predicate | hasAlternativeName |
P39
|
FINISHED |
| Object |
Charles River Viaduct
Charles River Viaduct is an elevated concrete railway bridge in Boston, Massachusetts, that carries the MBTA Green Line across the Charles River between Science Park and Lechmere.
|
E1152249
|
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: Charles River Viaduct | Statement: [Lechmere Viaduct, hasAlternativeName, Charles River Viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Charles River Viaduct Context triple: [Lechmere Viaduct, hasAlternativeName, Charles River Viaduct]
-
A.
Rosemount Viaduct
Rosemount Viaduct is a central Aberdeen street known for its prominent civic and cultural buildings, including His Majesty's Theatre.
-
B.
Portage Viaduct
Portage Viaduct is a historic railroad bridge spanning the Genesee River gorge in Letchworth State Park in western New York.
-
C.
Park Avenue Viaduct
The Park Avenue Viaduct is an elevated roadway in Midtown Manhattan that carries traffic around Grand Central Terminal, connecting Park Avenue across 42nd Street.
-
D.
Tudor City Bridge
Tudor City Bridge is an elevated pedestrian overpass in Midtown Manhattan that connects the Tudor City residential complex to the surrounding streets and offers notable views over 42nd Street and the East River.
-
E.
Greystone Bridge
Greystone Bridge is a historic stone road bridge in southwest England that carries traffic across the River Tamar between Devon and Cornwall.
- 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: Charles River Viaduct Triple: [Lechmere Viaduct, hasAlternativeName, Charles River Viaduct]
Generated description
Charles River Viaduct is an elevated concrete railway bridge in Boston, Massachusetts, that carries the MBTA Green Line across the Charles River between Science Park and Lechmere.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Charles River Viaduct Target entity description: Charles River Viaduct is an elevated concrete railway bridge in Boston, Massachusetts, that carries the MBTA Green Line across the Charles River between Science Park and Lechmere.
-
A.
Rosemount Viaduct
Rosemount Viaduct is a central Aberdeen street known for its prominent civic and cultural buildings, including His Majesty's Theatre.
-
B.
Portage Viaduct
Portage Viaduct is a historic railroad bridge spanning the Genesee River gorge in Letchworth State Park in western New York.
-
C.
Park Avenue Viaduct
The Park Avenue Viaduct is an elevated roadway in Midtown Manhattan that carries traffic around Grand Central Terminal, connecting Park Avenue across 42nd Street.
-
D.
Tudor City Bridge
Tudor City Bridge is an elevated pedestrian overpass in Midtown Manhattan that connects the Tudor City residential complex to the surrounding streets and offers notable views over 42nd Street and the East River.
-
E.
Greystone Bridge
Greystone Bridge is a historic stone road bridge in southwest England that carries traffic across the River Tamar between Devon and Cornwall.
- 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_69d8279163a081908aec45c0e3f1e02f |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de8fad48748190a0f34ca4d02f9a3c |
completed | April 14, 2026, 7:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff01d196d88190a8fa54468b2de1bb |
completed | May 9, 2026, 9:43 a.m. |
| NEDg | Description generation | batch_69ff02c10b648190b1e2e04aa0c2596d |
completed | May 9, 2026, 9:47 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff066e367c8190a0720fe636355ff8 |
completed | May 9, 2026, 10:03 a.m. |
Created at: April 10, 2026, 1:15 a.m.