Image Processing Reference
In-Depth Information
TABLE . (continued)
Characteristics
Essential Conceptual Features
Platform
Name of the Project/
In-Network
Acquisitional Query
Cross-Layer
Data-Centric Query/
Mechanism Author
Processing
Processing
Optimization
Data Dissemination
Simulation
Mote-Class
PDA-Class
PC-Class
DIFS []
×
×
×
Supports range queries
✓
Hashes attribute name
and value into
geographic coordinates
Nodes must be location
aware
Does not deal adequately
with node failures and
packet losses
DIM []
×
×
×
Supports range queries
✓
✓
Hashes event to a zone
Nodes must be location
aware
Reassigns zones when
nodes enter or leave
ACK scheme improves
robustness
DOSA []
Aggregates data by
taking advantage of
correlations of
sensor readings of
adjacent sensor
nodes
×
×
Publish/subscribe API
based on named data
✓
✓
Gradients used to route
data from source to sink
