6974 search results - page 68 / 1395 » Querying Semi-Structured Data |
INFOSCALE
2007
ACM
13 years 9 months ago
2007
ACM
Efficient multi-dimensional data search has received much attention in centralized systems. However, its implementation in large-scale distributed systems is not a trivial job and...
ICDE
2011
IEEE
12 years 11 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...
DASFAA
2008
IEEE
13 years 9 months ago
2008
IEEE
An important issue arising from XML query relaxation is how to efficiently search the top-k best answers from a large number of XML data sources, while minimizing the searching cos...
DATESO
2009
13 years 5 months ago
2009
Indexing methods for efficient processing of multidimensional data are very requested in many fields, like geographical information systems, drawing documentations etc. Well-known ...
COCOON
2005
Springer
14 years 1 months ago
2005
Springer
Abstract In this paper, we study the problem of supporting range sum queries on a compressed sequence of values. For a sequence of n k-bit integers, k ≤ O(log n), our data struct...