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186
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
214
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MOBIHOC
2002
ACM
16 years 6 months ago
2002
ACM
This paper presents a new carrier sensing mechanism called DVCS (Directional Virtual Carrier Sensing) for wireless communication using directional antennas. DVCS does not require ...
168
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SODA
2010
ACM
16 years 4 months ago
2010
ACM
We address the vexing issue of deletions in balanced trees. Rebalancing after a deletion is generally more complicated than rebalancing after an insertion. Textbooks neglect delet...
178
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ALT
2008
Springer
16 years 3 months ago
2008
Springer
In numerous application areas fast growing data sets develop with ever higher complexity and dynamics. A central challenge is to filter the substantial information and to communic...
163
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CHI
2010
ACM
16 years 1 months ago
2010
ACM
In this paper, we compare the impact of two different privacy policy representations – AudienceView and Expandable Grids – on users modifying privacy policies for a social net...