228 search results - page 23 / 46 » Relational queries over interpreted structures |
227
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SIGMOD
2009
ACM
16 years 4 months ago
2009
ACM
A common criticism of database systems is that they are hard to query for users uncomfortable with a formal query language. To address this problem, form-based interfaces and keyw...
178
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WISE
2000
Springer
15 years 8 months ago
2000
Springer
The mediator/wrapper approach is used to integrate data from different databases and other data sources by introducing a middleware virtual database that provides high level abstr...
212
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SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
A defining characteristic of continuous queries over on-line data streams, possibly bounded by sliding windows, is the potentially infinite and time-evolving nature of their input...
128
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VLDB
2000
ACM
15 years 7 months ago
2000
ACM
A range-max query finds the maximum value over all selected cells of an on-line analytical processing (OLAP) data cube where the selection is specified by ranges of contiguous val...
135
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SIGMOD
2002
ACM
16 years 4 months ago
2002
ACM
In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tr...