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» Location Dependent Queries in Mobile Databases
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ICS
2005
Tsinghua U.
15 years 5 months ago
Transparent caching with strong consistency in dynamic content web sites
We consider a cluster architecture in which dynamic content is generated by a database back-end and a collection of Web and application server front-ends. We study the effect of t...
Cristiana Amza, Gokul Soundararajan, Emmanuel Cecc...
SSD
2009
Springer
233views Database» more  SSD 2009»
15 years 6 months ago
Approximate Evaluation of Range Nearest Neighbor Queries with Quality Guarantee
The range nearest-neighbor (NN) query is an important query type in location-based services, as it can be applied to the case that an NN query has a spatial region, instead of a lo...
Chi-Yin Chow, Mohamed F. Mokbel, Joe Naps, Suman N...
ICDE
2010
IEEE
562views Database» more  ICDE 2010»
15 years 11 months ago
Multi-Guarded Safe Zone: An Effective Technique to Monitor Moving Circular Range Queries
Given a positive value r, a circular range query returns the objects that lie within the distance r of the query location. In this paper, we study the circular range queries that c...
Muhammad Aamir Cheema, Ljiljana Brankovic, Xuemin ...
ICDE
2010
IEEE
401views Database» more  ICDE 2010»
15 years 9 months ago
Continuous Query Evaluation over Distributed Sensor Networks
— In this paper1 we address the problem of processing continuous multi-join queries, over distributed data streams. Our approach makes use of existing work in the field of publi...
Oana Jurca, Sebastian Michel, Alexandre Herrmann, ...
VLDB
2006
ACM
171views Database» more  VLDB 2006»
15 years 12 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...