Sciweavers

2468 search results - page 200 / 494
» Aggregation operators 2003
Sort
View
131
Voted
EDBT
2009
ACM
131views Database» more  EDBT 2009»
15 years 5 months ago
Sample synopses for approximate answering of group-by queries
With the amount of data in current data warehouse databases growing steadily, random sampling is continuously gaining in importance. In particular, interactive analyses of large d...
Philipp Rösch, Wolfgang Lehner
135
Voted
GI
2009
Springer
15 years 5 months ago
Improving Usability of Integrated Emergency Response Systems: The SoKNOS Approach
: Implementing systems for emergency response poses various challenges. Information from various sources and systems needs to be integrated, processed, aggregated, and visualized i...
Heiko Paulheim, Sebastian Döweling, Karen H. ...
VISSYM
2007
15 years 5 months ago
Subdivision Volume Splatting
Volumetric Subdivision (VS) is a powerful paradigm that enables volumetric sculpting and realistic volume deformations that give rise to the concept of "virtual clay". I...
Kevin T. McDonnell, Neophytos Neophytou, Klaus Mue...
117
Voted
CCS
2008
ACM
15 years 4 months ago
Privacy-safe network trace sharing via secure queries
Privacy concerns relating to sharing network traces have traditionally been handled via sanitization, which includes removal of sensitive data and IP address anonymization. We arg...
Jelena Mirkovic
CEAS
2008
Springer
15 years 4 months ago
A Campaign-based Characterization of Spamming Strategies
This paper presents a methodology for the characterization of spamming strategies based on the identification of spam campaigns. To deeply understand how spammers abuse network re...
Pedro Calais, Douglas Pires, Dorgival Olavo Guedes...