7576 search results - page 1208 / 1516 » On Querying Ontologies and Databases |
275
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ICDE
1998
IEEE
16 years 8 months ago
1998
IEEE
Current data repositories include a variety of data types, including audio, images and time series. State of the art techniques for indexing such data and doing query processing r...
303
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ICDE
1996
IEEE
16 years 8 months ago
1996
IEEE
This paper presents a difference calculus for determining changes to rule conditions in an active DBMS. The calculus has been used for implementing an algorithm to efficiently mon...
286
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VLDB
2009
ACM
16 years 7 months ago
2009
ACM
Top-k queries on large multi-attribute data sets are fundamental operations in information retrieval and ranking applications. In this article, we initiate research on the anytime ...
287
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SIGMOD
2008
ACM
16 years 7 months ago
2008
ACM
Scientific workflow systems are increasingly used to automate complex data analyses, largely due to their benefits over traditional approaches for workflow design, optimization, a...
289
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
The primary goal of data stream research is to develop space and time efficient solutions for answering continuous online summarization queries. Research efforts over the last dec...