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» Applications of a Color-Naming Database
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PODS
2003
ACM
116views Database» more  PODS 2003»
16 years 7 months ago
On nearest neighbor indexing of nonlinear trajectories
In recent years, the problem of indexing mobile objects has assumed great importance because of its relevance to a wide variety of applications. Most previous results in this area...
Charu C. Aggarwal, Dakshi Agrawal
207
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PODS
2003
ACM
158views Database» more  PODS 2003»
16 years 7 months ago
Computing full disjunctions
Full disjunctions are an associative extension of the outerjoin operator to an arbitrary number of relations. Their main advantage is the ability to maximally combine data from di...
Yaron Kanza, Yehoshua Sagiv
PODS
2005
ACM
119views Database» more  PODS 2005»
16 years 7 months ago
Security analysis of cryptographically controlled access to XML documents
Some promising recent schemes for XML access control employ encryption for implementing security policies on published data, avoiding data duplication. In this paper we study one ...
Bogdan Warinschi, Martín Abadi
174
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PODS
2006
ACM
134views Database» more  PODS 2006»
16 years 7 months ago
Approximate quantiles and the order of the stream
Recently, there has been an increased focus on modeling uncertainty by distributions. Suppose we wish to compute a function of a stream whose elements are samples drawn independen...
Sudipto Guha, Andrew McGregor
PODS
2006
ACM
132views Database» more  PODS 2006»
16 years 7 months ago
Principles of dataspace systems
The most acute information management challenges today stem from organizations relying on a large number of diverse, interrelated data sources, but having no means of managing the...
Alon Y. Halevy, Michael J. Franklin, David Maier