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» Energy Efficient Index for Querying Location-Dependent Data ...
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EDBT
2006
ACM
156views Database» more  EDBT 2006»
13 years 10 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
PVLDB
2010
269views more  PVLDB 2010»
13 years 4 months ago
Shortest Path Computation on Air Indexes
Shortest path computation is one of the most common queries in location-based services that involve transportation networks. Motivated by scalability challenges faced in the mobil...
Georgios Kellaris, Kyriakos Mouratidis
WCE
2007
13 years 7 months ago
Modified Energy Efficient Cache Invalidation Algorithm in Mobile Environment
– Maintenance of the cache consistency is a complicated issue in the wireless mobile environment. Caching of frequently accessed data items on the node can reduce the bandwidth r...
S. Sankara Gomathi, S. Krishnamurthi
EDBT
2008
ACM
128views Database» more  EDBT 2008»
14 years 6 months ago
Processing transitive nearest-neighbor queries in multi-channel access environments
Wireless broadcast is an efficient way for information dissemination due to its good scalability [10]. Existing works typically assume mobile devices, such as cell phones and PDAs...
Xiao Zhang, Wang-Chien Lee, Prasenjit Mitra, Baihu...
MOBICOM
2000
ACM
13 years 10 months ago
A scalable low-latency cache invalidation strategy for mobile environments
—Caching frequently accessed data items on the client side is an effective technique for improving performance in a mobile environment. Classical cache invalidation strategies ar...
Guohong Cao