2079 search results - page 363 / 416 » Research Problems in Data Warehousing |
121
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IDEAS
2007
IEEE
15 years 8 months ago
2007
IEEE
Historically, bitmap indexing has provided an important database capability to accelerate queries. However, only a few database systems have implemented these indexes because of t...
120
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VTC
2007
IEEE
15 years 8 months ago
2007
IEEE
— Hydra is a flexible wireless network testbed being developed at UT Austin. Our focus is networks that support multiple wireless hops and where the network, especially the MAC,...
115
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CCS
2007
ACM
15 years 8 months ago
2007
ACM
Protocol reverse engineering, the process of extracting the application-level protocol used by an implementation, without access to the protocol specification, is important for m...
110
Voted
CODES
2006
IEEE
15 years 8 months ago
2006
IEEE
Although mobile Java code is frequently executed on many wireless devices, the susceptibility to electromagnetic (EM) attacks is largely unknown. If analysis of EM waves emanating...
135
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VLDB
2004
ACM
15 years 7 months ago
2004
ACM
It is well established that bitmap indices are efficient for read-only attributes with low attribute cardinalities. For an attribute with a high cardinality, the size of the bitma...