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Transcript
ITA Capstone
2016
The Gaian Database: a Dynamic Distributed
Federated Database (DDFD)
CUNY, IBM UK
______________________________________________________________________________
A new type of networked database architecture, the DDFD implements a Store Locally Query Anywhere paradigm, which provides
for global access to data from any vertex in the database network.
Why is a DDFD different?
Fault tolerant and optimised, query routing:
Features:
Key issues addressed:
 Small footprint (~5Mb), minimal admin cost, open source
 Scalability of large distributed databases
 Network establishment using autonomic discovery of
neighbouring nodes; query/data distribution governed by
the dynamic establishment of connections
 Database federation
 Scale-free network topology
 Federation of heterogeneous data sources
 Data semantics
 Semantics added to distributed tables using annotations
on logical tables
Example applications
N5
N7
N4
N6
N8
N3
N9
SQL Queries
Query
N10
N2
N0
N1
N11
Sensor Networks:
Distributed Semantic Search:
• Supports distributed queries for current and historical data
• Distributed triple store and text index
• Distributed registry for the ITA Information Fabric
• Virtual Knowledgebase
International Technology Alliance in Network and Information Sciences