On the Performance of S-ALOHA and CSMA/CA Random Access Strategies for Data Exchange in Query-Based Wireless Sensor Networks: An Interest-Based Approach.
Néstor E. Hernández-AtonalMario E. Rivero-AngelesFernando Martinez-PinonPublished in: Ad Hoc Sens. Wirel. Networks (2016)
Keyphrases
- data exchange
- random access
- wireless sensor networks
- query answering
- unions of conjunctive queries
- data integration
- answering queries
- data management
- query processing
- schema mappings
- query answers
- query rewriting
- query evaluation
- conjunctive queries
- database
- data sources
- response time
- sensor networks
- query containment
- databases
- xml queries
- xml schema
- energy consumption
- data structure
- data complexity
- database queries
- external memory
- data warehouse
- lower bound
- xml data exchange