961 search results - page 124 / 193 » The ribonuclease P database |
159
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ICDE
1991
IEEE
15 years 9 months ago
1991
IEEE
The maindi culty in enforcing globalserializabilityin a multidatabase environment lies in resolving indirect (transitive) con icts between multidatabase transactions. Indirect con...
278
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GIS
2006
ACM
16 years 7 months ago
2006
ACM
We present a novel method for the automatic generalization of land cover maps. A land cover map is composed of areas that collectively form a tessellation of the plane and each ar...
196
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Recently, the Web has been rapidly "deepened" by many searchable databases online, where data are hidden behind query forms. For modelling and integrating Web databases,...
209
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
170
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CCS
2007
ACM
16 years 15 days ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...