4081 search results - page 331 / 817 » Metaprogramming for Relational Databases |
184
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IS
2007
15 years 6 months ago
2007
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
173
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ER
2007
Springer
16 years 27 days ago
2007
Springer
This paper describes a rule-based algorithm to derive a relational schema from an extended entity-relationship model. Our work is based on an approach by Atzeni and Torlone in whic...
182
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BNCOD
2009
15 years 7 months ago
2009
Real-life date is often dirty and costs billions of pounds to businesses worldwide each year. This paper presents a promising approach to improving data quality. It effectively det...
299
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
The high quality, structured data from Web structured sources is invaluable for many applications. Hidden Web databases are not directly crawlable by Web search engines and are on...
264
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
A method for approximate subsequence matching is introduced, that significantly improves the efficiency of subsequence matching in large time series data sets under the dynamic ti...