4382 search results - page 190 / 877 » Query by Semantic Example |
112
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DAWAK
2003
Springer
15 years 8 months ago
2003
Springer
Abstract. Many SQL queries with aggregated subqueries exhibit redundancy (overlap in FROM and WHERE clauses). We propose a method, called the for-loop, to optimize such queries by ...
121
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FQAS
2006
Springer
15 years 6 months ago
2006
Springer
We present a functional model for the analysis of large volumes of detailed transactional data, accumulated over time. In our model, the data schema is an acyclic graph with a sing...
130
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VLDB
2007
ACM
15 years 9 months ago
2007
ACM
There is a growing consensus that it is desirable to query over the structure implicit in unstructured documents, and that ideally this capability should be provided incrementally...
151
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WISE
2003
Springer
15 years 8 months ago
2003
Springer
XQuery, the standard query language for XML, is increasingly popular among computer scientists with a SQL background, since queries in XQuery and SQL require comparable skills to ...
109
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VISUAL
1999
Springer
15 years 7 months ago
1999
Springer
To support the retrieval and fusion of multimedia information from multiple sources and databases, a spatial/temporal query language called ΣQL is proposed. ΣQL is based upon th...