6495 search results - page 948 / 1299 » Modeling Multidimensional Databases |
136
Voted
SIGMOD
2003
ACM
16 years 1 months ago
2003
ACM
We consider the problem of efficiently producing ranked results for keyword search queries over hyperlinked XML documents. Evaluating keyword search queries over hierarchical XML ...
95
Voted
SIGMOD
2001
ACM
16 years 1 months ago
2001
ACM
From the standpoint of satisfying human's informationneeds, the current digital library (DL) systems suffer from the following two shortcomings: (i) inadequate high-level cog...
130
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PODS
2001
ACM
16 years 1 months ago
2001
ACM
We consider the complexity of join problems, focusing on equijoins, spatial-overlap joins, and set-containment joins. We use a graph pebbling model to characterize these joins com...
98
Voted
PODS
2005
ACM
16 years 1 months ago
2005
ACM
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 ...
95
Voted
PODS
2006
ACM
16 years 1 months ago
2006
ACM
Recently proposed form-based web information systems liberate the capture and reuse of data in organizations by substituting the development of technical implementations of electr...