2539 search results - page 273 / 508 » Updates for Structure Indexes |
146
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IEEEMSP
2002
IEEE
15 years 11 months ago
2002
IEEE
Abstract— This paper discusses encryption operations that selectively encrypt content-carrying segments of multimedia data stream. We propose and analyze three techniques that wo...
177
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ERCIMDL
1999
Springer
15 years 11 months ago
1999
Springer
Abstract. This text motivates and de nes a generic model for interactive online or o ine product catalogs. Based on a detailed requirements analysis, the data model is de ned usi...
163
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RELMICS
1998
Springer
15 years 10 months ago
1998
Springer
We present a class of polymodal logics for which the set of terms indexing the modal connectives can be hierarchized in two levels: the set of Boolean terms and the set of terms b...
148
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VLDB
1997
ACM
15 years 10 months ago
1997
ACM
In recentyears,databaseresearchandproduct developmentactivities havefocusedonsupport for non-traditional data types, such astext or multi-media documents.This paper describes an a...
159
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SSDBM
1990
IEEE
15 years 10 months ago
1990
IEEE
In this paper we survey known results on algorithms, data structures, and some applications of random sampling from databases. We first discuss various reasons for sampling from d...