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A Data Manipulation Model: An Extension Of The Alpha Expression

Summary: Extends alpha-expression to support heterogeneous value-sets and aggregate operators within the relational calculus and target list. Also introduces imaginary tuples to simplify traditional data-processing descriptions and enable practical, efficient implementation. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
7632
Venue
VLDB
Year
1984
Pagerank
4.1945683e-05
Overall Rank
13,041 | 9.28%
DOI
-

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Rank Cited Paper Year Venue Pagerank
8 Extending the Data Base Relational Model to Capture More Meaning 1979 SIGMOD 0.0015385917
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