Consistent data aggregate retrieval for sensor network systems.

• Other Authors: Lee, Lok Hang.
• Format: Others
• Language: English; Chinese
• Published: 2005
• Subjects: Data mining; Computer algorithms; Sensor networks
• Online Access: http://library.cuhk.edu.hk/record=b5892577; http://repository.lib.cuhk.edu.hk/en/item/cuhk-325361

Lee Lok Hang. === Thesis (M.Phil.)--Chinese University of Hong Kong, 2005. === Includes bibliographical references (leaves 87-93). === Abstracts in English and Chinese. === Abstract --- p.i === Acknowledgement --- p.iv === Chapter 1 --- Introduction --- p.1 === Chapter 1.1 --- Sensors and Sensor Networks --- p.3 === Chapter 1.2 --- Sensor Network Deployment --- p.7 === Chapter 1.3 --- Motivations --- p.7 === Chapter 1.4 --- Contributions --- p.9 === Chapter 1.5 --- Thesis Organization --- p.10 === Chapter 2 --- Literature Review --- p.11 === Chapter 2.1 --- Data Cube --- p.11 === Chapter 2.2 --- Data Aggregation in Sensor Networks --- p.12 === Chapter 2.2.1 --- Hierarchical Data Aggregation --- p.13 === Chapter 2.2.2 --- Gossip-based Aggregation --- p.13 === Chapter 2.2.3 --- Hierarchical Gossip Aggregation --- p.13 === Chapter 2.3 --- GAF Algorithm --- p.14 === Chapter 2.4 --- Concurrency Control --- p.17 === Chapter 2.4.1 --- Two-phase Locking --- p.17 === Chapter 2.4.2 --- Timestamp Ordering --- p.18 === Chapter 3 --- Building Distributed Data Cubes in Sensor Network --- p.20 === Chapter 3.1 --- Aggregation Operators --- p.21 === Chapter 3.2 --- Distributed Prefix (PS) Sum Data Cube --- p.22 === Chapter 3.2.1 --- Prefix Sum (PS) Data Cube --- p.22 === Chapter 3.2.2 --- Notations --- p.24 === Chapter 3.2.3 --- Querying a PS Data Cube --- p.25 === Chapter 3.2.4 --- Building Distributed PS Data Cube --- p.27 === Chapter 3.2.5 --- Time Bounds --- p.32 === Chapter 3.2.6 --- Fast Aggregate Queries on Multiple Regions --- p.37 === Chapter 3.2.7 --- Simulation Results --- p.43 === Chapter 3.3 --- Distributed Local Prefix Sum (LPS) Data Cube --- p.50 === Chapter 3.3.1 --- Local Prefix Sum Data Cube --- p.52 === Chapter 3.3.2 --- Notations --- p.55 === Chapter 3.3.3 --- Querying an LPS Data Cube --- p.56 === Chapter 3.3.4 --- Building Distributed LPS Data Cube --- p.61 === Chapter 3.3.5 --- Time Bounds --- p.63 === Chapter 3.3.6 --- Fast Aggregate Queries on Multiple Regions --- p.67 === Chapter 3.3.7 --- Simulation Results --- p.68 === Chapter 3.3.8 --- Distributed PS Data Cube Vs Distributed LPS Data Cube --- p.74 === Chapter 4 --- Concurrency Control and Consistency in Sensor Networks --- p.76 === Chapter 4.1 --- Data Inconsistency in Sensor Networks --- p.76 === Chapter 4.2 --- Traditional Concurrency Control Protocols and Sensor Networks --- p.80 === Chapter 4.3 --- The Consistent Retrieval of Data from Distributed Data Cubes --- p.81 === Chapter 5 --- Conclusions --- p.85 === References --- p.87 === Appendix --- p.94 === A Publications --- p.94