511 search results - page 37 / 103 » Approximate Selection Queries over Imprecise Data |
262
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ICDE
1999
IEEE
16 years 7 months ago
1999
IEEE
Range sum queries on data cubes are a powerful tool for analysis. A range sum query applies an aggregation operation (e.g., SUM) over all selected cells in a data cube, where the ...
188
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CIKM
2010
Springer
15 years 4 months ago
2010
Springer
Recently, the problem of efficiently supporting advanced query operators, such as nearest neighbor or range queries, over multidimensional data in widely distributed environments...
185
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FQAS
2009
Springer
15 years 10 months ago
2009
Springer
This paper concerns the design of a workflow which permits to feed and query a data warehouse opened on the Web, driven by a domain ontology. This data warehouse has been built to...
286
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Efficiently processing continuous k-nearest neighbor queries on data streams is important in many application domains, e. g. for network intrusion detection or in querysubscriber ...
157
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FQAS
2006
Springer
15 years 9 months ago
2006
Springer
Searchers' difficulty in formulating effective queries for their information needs is well known. Analysis of search session logs shows that users often pose short, vague quer...