Object Organization on Broadcast Channels in a Mobile Computing Environment:
Time and Space Efficiency
Department of Computer Science & Engineering
The Pennsylvania State University
University Park, PA. 16802
11/20/98
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Table of Contents
Title Page
Motivations
Goal
Challenges
Underlying Environment
Multidatabases
Mobile-Computing Environment
Characteristics and Resulting Issues
Mobile Data Access System (MDAS)
Underlying Environment
Conventional Clustering Schemes
Disk vs. Air Channel
Object Organization on Single Channel
Linearity & Locality
Out-Degree Distribution
Next-Node Ratio
Availability
Percentage of Popular Objects
Object Organization on Parallel Channels
Two Algorithms
Number of Channels
Out-Degree Distribution
Load Balancing vs. Clustering
Class Schema Graph Structure
Single and Hierarchical Indexing
Schemes’ Layout Structure
Index vs. No Index
Response Time
Active Time
Energy Consumption
Conclusions
Publications
Author:
Y. C. Chehadeh
For further information, Email:
kavehrad@engr.psu.edu