1146 search results - page 39 / 230 » Semantics of Data Streams and Operators |
144
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DIWEB
2004
15 years 7 months ago
2004
Relational database systems are increasingly used to manage XML documents, especially for data-centric XML. In this paper we present a new approach to efficiently manage document-c...
188
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ICDE
2006
IEEE
15 years 12 months ago
2006
IEEE
We consider the problem of query optimization in distributed stream based systems where multiple continuous queries may be executing simultaneously. In such systems, distribution ...
118
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IDEAS
2005
IEEE
15 years 11 months ago
2005
IEEE
We present external-memory algorithms for differencing large hierarchical datasets. Our methods are especially suited to streaming data with bounded differences. For input sizes m...
158
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
The emergence of location-aware services calls for new real-time spatio-temporal query processing algorithms that deal with large numbers of mobile objects and queries. In this de...
187
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WSDM
2009
ACM
16 years 21 days ago
2009
ACM
Text streams are becoming more and more ubiquitous, in the forms of news feeds, weblog archives and so on, which result in a large volume of data. An effective way to explore the...