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CHI
2006
ACM
14 years 9 months ago
The impact of delayed visual feedback on collaborative performance
When pairs work together on a physical task, seeing a common workspace benefits their performance and transforms their use of language. Previous results have demonstrated that vis...
Darren Gergle, Robert E. Kraut, Susan R. Fussell
SIGMOD
2008
ACM
188views Database» more  SIGMOD 2008»
14 years 9 months ago
HERMES: aggregative LBS via a trajectory DB engine
We present HERMES, a prototype system based on a powerful query language for trajectory databases, which enables the support of aggregative Location-Based Services (LBS). The key ...
Nikos Pelekis, Elias Frentzos, Nikos Giatrakos, Ya...
PERCOM
2006
ACM
14 years 8 months ago
Context-aware Provision of Advanced Internet Services
The pervasive and mobile computing scenario is characterized by the high heterogeneity of devices used to access services, and by frequent changes in the user's context. In t...
Raffaella Grieco, Delfina Malandrino, Francesca Ma...
SAC
2010
ACM
14 years 4 months ago
Recovering uncertain mappings through structural validation and aggregation with the MoTo system
We present an automated ontology matching methodology, supported by various machine learning techniques, as implemented in the system MoTo. The methodology is twotiered. On the ï¬...
Floriana Esposito, Nicola Fanizzi, Claudia d'Amato
KDD
2009
ACM
161views Data Mining» more  KDD 2009»
14 years 3 months ago
Interactive spatio-temporal cluster analysis of VAST challenge 2008 datasets
We describe a visual analytics method supporting the analysis of two different types of spatio-temporal data, point events and trajectories of moving agents. The method combines c...
Gennady L. Andrienko, Natalia V. Andrienko