1238 search results - page 54 / 248 » View-based query containment |
113
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SAC
2003
ACM
15 years 3 months ago
2003
ACM
Query-by-example is the most popular query model for today’s image retrieval systems. A typical query image contains not only relevant objects (e.g., Eiffel Tower), but also ir...
103
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VLDB
1995
ACM
15 years 1 months ago
1995
ACM
Efficient processing of aggregation queries is essential for decision support applications. This paper describes a class of query transformations, called eager aggregation and lat...
132
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ICDE
2011
IEEE
14 years 1 months ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
DOLAP
2009
ACM
15 years 4 months ago
2009
ACM
The current commercial and academic OLAP tools do not process XML data that make use of XLink. To develop OLAP systems for helping in the analysis of such data, this paper propose...
IS
2006
14 years 9 months ago
2006
As XML documents contain both content and structure information, taking advantage of the document structure in the retrieval process can lead to better identify relevant informati...