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158
Voted
SAC
2010
ACM
16 years 20 days ago
2010
ACM
In GIS and spatial databases, cardinal directions are frequently used as selection and join criteria in query languages. However, most cardinal direction models are only able to h...
169
Voted
GLOBECOM
2006
IEEE
15 years 12 months ago
2006
IEEE
- Recently, several MAC protocols using directional antennas, typically referred to as directional MAC protocols, have been proposed for wireless ad hoc networks. However, the MAC ...
156
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GMP
2006
IEEE
15 years 12 months ago
2006
IEEE
For molding and casting processes, geometries that have undercut-free parting directions (UFPDs) are preferred for manufacturing. Identifying all UFPDs for arbitrary geometries at ...
159
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WOWMOM
2005
ACM
15 years 11 months ago
2005
ACM
— Many MAC sub-layer protocols for supporting the usage of directional antennas in ad hoc networks have been proposed in literature. However, there remain two open issues that ar...
145
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ICDE
2009
IEEE
16 years 18 days ago
2009
IEEE
— A spreadsheet-like “direct manipulation” interface is more intuitive for many non-technical database users compared to traditional alternatives, such as visual query builde...