4397 search results - page 439 / 880 » Relational Algebra Operations |
178
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CSREASAM
2006
15 years 8 months ago
2006
After the 9/11 event, terrorist attacks related to vehicles cannot be overlooked. In some critical areas, security should be concerned from the context of streets or vehicle moveme...
181
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CIDR
2003
15 years 8 months ago
2003
Partitioning within a B-tree, based on an artificial leading key column and combined with online reorganization, can be exploited during external merge sort for accurate deep read...
185
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AAAI
1996
15 years 8 months ago
1996
This paper describes the spatial aggregation language and its applications. Spatial aggregation comprises a framework and a mechanism for organizing computations around image-like...
173
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AAAI
1994
15 years 8 months ago
1994
We present teleassistance, a two-tiered control structure for robotic manipulation that combines the advantages of autonomy and teleoperation. At the top level, a teleoperator pro...
182
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CGA
2008
15 years 7 months ago
2008
Geometric computing with three-dimensional rotations and orientations is a fundamental issue in three-dimensional computer graphics. Our approach was inspired by affine geometry a...