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DKE
2007
156views more  DKE 2007»
13 years 4 months ago
Efficient index and data allocation for wireless broadcast services
The periodic broadcasting of frequently requested data can reduce the workload of uplink channels and improve data access for users in a wireless network. Since mobile devices hav...
Shou-Chih Lo, Arbee L. P. Chen
EDBT
2006
ACM
156views Database» more  EDBT 2006»
13 years 8 months ago
FlexInd: A Flexible and Parameterizable Air-Indexing Scheme for Data Broadcast Systems
Abstract. In wireless data broadcast systems, popular information is repetitively disseminated through possibly multiple communication channels to mobile clients using various type...
André Seifert, Jen-Jou Hung
VLDB
2006
ACM
171views Database» more  VLDB 2006»
14 years 4 months ago
Grid-partition index: a hybrid method for nearest-neighbor queries in wireless location-based services
Abstract Traditional nearest-neighbor (NN) search is based on two basic indexing approaches: object-based indexing and solution-based indexing. The former is constructed based on t...
Baihua Zheng, Jianliang Xu, Wang-Chien Lee, Dik Lu...
MOBISYS
2004
ACM
14 years 4 months ago
Exponential Index: A Parameterized Distributed Indexing Scheme for Data on Air
Wireless data broadcast has received a lot of attention from industries and academia in recent years. Access efficiency and energy conservation are two critical performance concer...
Jianliang Xu, Wang-Chien Lee, Xueyan Tang
ICDCS
2005
IEEE
13 years 10 months ago
DSI: A Fully Distributed Spatial Index for Location-Based Wireless Broadcast Services
Recent announcement of the MSN Direct Service has demonstrated the feasibility and industrial interest in utilizing wireless broadcast for pervasive information services. To suppo...
Wang-Chien Lee, Baihua Zheng