17329 search results - page 3341 / 3466 » Improved non-approximability results |
137
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VLDB
1997
ACM
15 years 10 months ago
1997
ACM
R-tree based spatial join is useful because of both its superior performance and the wide spread implementation of R-trees. We present a new R-tree join method called BFRJ (Breadt...
164
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ICDE
1993
IEEE
15 years 10 months ago
1993
IEEE
To add time su port to the relational model, both first normal form (fNF and non-INF appmches have maining within 1NF when time support is added may introduce data redundancy. The...
148
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ICPP
1994
IEEE
15 years 10 months ago
1994
IEEE
Shared memory in a parallel computer provides prowith the valuable abstraction of a shared address space--through which any part of a computation can access any datum. Although un...
157
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ISCA
1994
IEEE
15 years 10 months ago
1994
IEEE
Today's commodity microprocessors require a low latency memory system to achieve high sustained performance. The conventional high-performance memory system provides fast dat...
177
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CRYPTO
1993
Springer
15 years 10 months ago
1993
Springer
A broadcast encryption scheme allows the sender to securely distribute data to a dynamically changing set of users over an insecure channel. One of the most challenging settings fo...