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159
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XIMEP
2005
ACM
15 years 10 months ago
2005
ACM
Supporting queries and modifications on XML documents is a challenging task, and several related approaches exist. When implementing query and modification languages efficientl...
166
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TSP
2008
15 years 4 months ago
2008
The detection and estimation of signals in noisy, limited data is a problem of interest to many scientific and engineering communities. We present a mathematically justifiable, com...
178
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DQ
1998
15 years 4 months ago
1998
Current evidence indicates that poor data quality is pervasive and has a significant negative impact on business success. Information-system (IS) professionals are typically charg...
133
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ICCSA
2007
Springer
15 years 11 months ago
2007
Springer
Abstract. Relational algebra is one of the main topics covered in undergraduate computer science database courses. In this paper, we present a web-based tool designed to automatica...
154
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CASCON
1996
15 years 6 months ago
1996
Because changes to the database (DB) and workload occur during a DB system's lifetime, the physical DB design must evolve to sustain good performance. These changes are carri...