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DEXA
2007
Springer
173views Database» more  DEXA 2007»
15 years 5 months ago
A P2P Technique for Continuous k-Nearest-Neighbor Query in Road Networks
Due to the high frequency in location updates and the expensive cost of continuous query processing, server computation capacity and wireless communication bandwidth are the two li...
Fuyu Liu, Kien A. Hua, Tai T. Do
SSDBM
2006
IEEE
129views Database» more  SSDBM 2006»
15 years 5 months ago
Indexing Time-Evolving Data With Variable Lifetimes
Many applicationsstore data items for a pre-determined, finite length of time. Examples include slidingwindows over on-line data streams, where old data are dropped as the window...
Lukasz Golab, Piyush Prahladka, M. Tamer Özsu
DMSN
2006
ACM
15 years 5 months ago
Transactional issues in sensor data management
This paper presents a novel research direction in the field of sensor data management. It concerns transactional support in heterogeneous large scale sensor systems. Besides well...
Levent Gürgen, Claudia Roncancio, Cyril Labb&...
ICDE
2005
IEEE
124views Database» more  ICDE 2005»
15 years 4 months ago
SemCrypt - Ensuring Privacy of Electronic Documents Through Semantic-Based Encrypted Query Processing
The trend towards outsourcing increases the number of documents stored at external service providers. This storage model, however, raises privacy and security concerns because the...
Michael Schrefl, Katharina Grün, Jürgen ...
ADC
2005
Springer
113views Database» more  ADC 2005»
15 years 4 months ago
Schemes of Storing XML Query Cache
XML query caching for XML database-backed Web applications began to be investigated recently. However, the issue of how the cached query results are stored has not been addressed ...
Hyunchul Kang, Seungchul Han, Younghyun Kim