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Quick Window Query Processing Using a Non-Uniform Cell-Based Index in Wireless Data Broadcast Environment
- Authors
- Im, SeokJin; Hwang, HeeJoung
- Issue Date
- Apr-2017
- Publisher
- IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
- Keywords
- wireless spatial data broadcast system; air index; window query; non-uniform cell partition
- Citation
- IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, v.E100A, no.4, pp.1092 - 1096
- Volume
- E100A
- Number
- 4
- Start Page
- 1092
- End Page
- 1096
- ISSN
- 1745-1337
- Abstract
- This letter proposes a Non-uniform Cell-based Index (NCI) to enable clients to quickly process window queries in the wireless spatial data broadcast environment. To improve the access time, NCI reduces the probe wait time by equalized spacing between indexes, using non-uniformly partitioned cells of data space. Through the performance evaluation, we show the proposed NCI outperforms the existing index schemes for window queries to spatial data in respect of access time.
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Related Researcher
- Hwang, Hee Joung
- College of IT Convergence (컴퓨터공학부(컴퓨터공학전공))