Triple
T1202842
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cambridge city center |
E25820
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
Central station
Central station is a major railway hub providing key train connections for travelers to and from Cambridge city center.
|
E137714
|
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: Central station | Statement: [Cambridge city center, servedBy, Central station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Central station Context triple: [Cambridge city center, servedBy, Central station]
-
A.
Akard station
Akard station is a Dallas Area Rapid Transit (DART) light rail station serving the central business district of downtown Dallas, Texas.
-
B.
Suburban Station
Suburban Station is a major underground commuter rail hub in Center City Philadelphia that serves as a key node in the SEPTA Regional Rail network.
-
C.
Wilson station
Wilson station is a Toronto Transit Commission subway station on Line 1 Yonge–University in North York, serving the surrounding residential, commercial, and industrial areas.
-
D.
Main Terminal Station
Main Terminal Station is the primary AeroTrain stop serving the airport’s central passenger terminal complex.
-
E.
Edison station
Edison station is a New Jersey Transit commuter rail stop on the Northeast Corridor Line serving the township of Edison, New Jersey.
- 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: Central station Triple: [Cambridge city center, servedBy, Central station]
Generated description
Central station is a major railway hub providing key train connections for travelers to and from Cambridge city center.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Central station Target entity description: Central station is a major railway hub providing key train connections for travelers to and from Cambridge city center.
-
A.
Akard station
Akard station is a Dallas Area Rapid Transit (DART) light rail station serving the central business district of downtown Dallas, Texas.
-
B.
Suburban Station
Suburban Station is a major underground commuter rail hub in Center City Philadelphia that serves as a key node in the SEPTA Regional Rail network.
-
C.
Wilson station
Wilson station is a Toronto Transit Commission subway station on Line 1 Yonge–University in North York, serving the surrounding residential, commercial, and industrial areas.
-
D.
Main Terminal Station
Main Terminal Station is the primary AeroTrain stop serving the airport’s central passenger terminal complex.
-
E.
Edison station
Edison station is a New Jersey Transit commuter rail stop on the Northeast Corridor Line serving the township of Edison, New Jersey.
- 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_69a4942b30f08190a91c60573e16b5ef |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bdbda0b081909c0147121a945e27 |
completed | March 1, 2026, 10:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac7f3a48d48190ae5179312b52b3ee |
completed | March 7, 2026, 7:40 p.m. |
| NEDg | Description generation | batch_69ac7fc59a488190adbdf156aaff8c03 |
completed | March 7, 2026, 7:43 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac806a6d748190acc5cdfa8fb90a64 |
completed | March 7, 2026, 7:45 p.m. |
Created at: March 1, 2026, 7:46 p.m.