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KDD
2007
ACM
178views Data Mining» more  KDD 2007»
14 years 9 months ago
Density-based clustering for real-time stream data
Existing data-stream clustering algorithms such as CluStream are based on k-means. These clustering algorithms are incompetent to find clusters of arbitrary shapes and cannot hand...
Yixin Chen, Li Tu
CHI
2005
ACM
14 years 9 months ago
Digital backchannels in shared physical spaces: experiences at an academic conference
There are a variety of digital tools for enabling people who are physically separated by time and space to communicate and collaborate. Widespread use of some of these tools, such...
Joseph F. McCarthy, Danah Boyd
EDBT
2002
ACM
188views Database» more  EDBT 2002»
14 years 9 months ago
Approximate Processing of Multiway Spatial Joins in Very Large Databases
Existing work on multiway spatial joins focuses on the retrieval of all exact solutions with no time limit for query processing. Depending on the query and data properties, however...
Dimitris Papadias, Dinos Arkoumanis
EDBT
2006
ACM
194views Database» more  EDBT 2006»
14 years 9 months ago
Hermes - A Framework for Location-Based Data Management
The aim of this paper is to demonstrate Hermes, a robust framework capable of aiding a spatio-temporal database developer in modeling, constructing and querying a database with dyn...
Nikos Pelekis, Yannis Theodoridis, Spyros Vosinaki...
MOBISYS
2007
ACM
14 years 8 months ago
Universal real-time navigational assistance (URNA): an urban bluetooth beacon for the blind
We describe a complete hardware/software system, dubbed Universal Real-Time Navigational Assistance (URNA), which enables communication of relevant location-aware information to a...
S. Bohonos, A. Lee, A. Malik, C. Thai, Roberto Man...