2492 search results - page 397 / 499 » Ontology-based Database Access |
195
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SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
This paper investigates a class of transform queries proposed by XQuery Update [6]. A transform query is defined in terms of XML update syntax. When posed on an XML tree T, it ret...
205
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SIGMOD
2006
ACM
16 years 3 months ago
2006
ACM
Modern scientific applications consume massive volumes of data produced by computer simulations. Such applications require new data management capabilities in order to scale to te...
115
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EDBT
2006
ACM
16 years 3 months ago
2006
ACM
Similarity search in time series data is required in many application fields. The most prominent work has focused on similarity search considering either complete time series or si...
136
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EDBT
2006
ACM
16 years 3 months ago
2006
ACM
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
123
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EDBT
2006
ACM
16 years 3 months ago
2006
ACM
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...