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GIS
2003
ACM
16 years 4 days ago
An efficient r-tree implementation over flash-memory storage systems
For many applications with spatial data management such as Geographic Information Systems (GIS), block-oriented access over flash memory could introduce a significant number of no...
Chin-Hsien Wu, Li-Pin Chang, Tei-Wei Kuo
153
Voted
GIS
2006
ACM
16 years 4 days ago
Representation of periodic moving objects in databases
In the real world, lots of objects with changing position can be found. Some of them repeat the same movement several times, called periodic movements. Examples include airplanes,...
Ralf Hartmut Güting, Thomas Behr, Victor Teix...
77
Voted
ICSE
2009
IEEE-ACM
15 years 12 months ago
FlexSync: An aspect-oriented approach to Java synchronization
Designers of concurrent programs are faced with many choices of synchronization mechanisms, among which clear functional trade-offs exist. Making synchronization customizable is h...
Charles Zhang
SIGSOFT
2008
ACM
15 years 12 months ago
Effective blame for information-flow violations
Programs trusted with secure information should not release that information in ways contrary to system policy. However, when a program contains an illegal flow of information, cu...
Dave King 0002, Trent Jaeger, Somesh Jha, Sanjit A...
KDD
2006
ACM
172views Data Mining» more  KDD 2006»
15 years 11 months ago
Attack detection in time series for recommender systems
Recent research has identified significant vulnerabilities in recommender systems. Shilling attacks, in which attackers introduce biased ratings in order to influence future recom...
Sheng Zhang, Amit Chakrabarti, James Ford, Fillia ...