301 search results - page 55 / 61 » Efficient Sketches for the Set Query Problem |
SIGMOD
2001
ACM
15 years 11 months ago
2001
ACM
The bit-sliced index (BSI) was originally defined in [ONQ97]. The current paper introduces the concept of BSI arithmetic. For any two BSI's X and Y on a table T, we show how ...
174
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SIGMOD
2009
ACM
15 years 11 months ago
2009
ACM
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
90
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WISEC
2010
ACM
14 years 8 months ago
2010
ACM
Despite increasing popularity, Location-based Services (LBS) (e.g., searching nearby points-of-interest on map) on mobile handheld devices have been subject to major privacy conce...
186
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ICDE
2006
IEEE
16 years 6 days ago
2006
IEEE
Until recently, most data integration techniques involved central components, e.g., global schemas, to enable transparent access to heterogeneous databases. Today, however, with t...
ESORICS
2009
Springer
15 years 11 months ago
2009
Springer
Abstract. A range of attacks on network components, such as algorithmic denial-of-service attacks and cryptanalysis via timing attacks, are enabled by data structures for which an ...