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magik-demo:developer:class:core:tcstatement [2013/07/19 11:39] alex [toString] |
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Table Completeness (TC) statement describes a table completeness statement as it is defined by Razniewski&Nutt(VLDB2011). | Table Completeness (TC) statement describes a table completeness statement as it is defined by Razniewski&Nutt(VLDB2011). | ||
- | Namely, Compl(R(x);G) is a table completeness statement for the relation R, and under the condition G. \\ | + | {{ :magik-demo:developer:schema2.png?nolink&600 |}} |
- | Condition G is a conjunction of atoms and x is a vector of arity R. \\ | + | |
+ | Namely, Compl(R(x);G) is a table completeness statement for the relation R, and under the condition G. | ||
+ | |||
+ | Condition G is a conjunction of atoms and x is a vector of arity R. | ||
A TC statement is satisfied with a partial db D=(Di,Da) if R(x)(Di) {{:magik-demo:developer:class:core:subset_of_or_equal_to_icon_256x256.png?nolink&11|}} (R(x),G)(Da). | A TC statement is satisfied with a partial db D=(Di,Da) if R(x)(Di) {{:magik-demo:developer:class:core:subset_of_or_equal_to_icon_256x256.png?nolink&11|}} (R(x),G)(Da). | ||
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</code> | </code> | ||
- | ===== Class Constructor ===== | + | ===== Class Constructors ===== |
==== TCStatement ==== | ==== TCStatement ==== | ||
<code java> | <code java> | ||
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Implementation for converting in String format TCStatements. | Implementation for converting in String format TCStatements. | ||
- | Format:\\ | + | Format: **''Compl(table[term1,term2,term3])''** |
- | ''Compl(table[term1,term2,term3])'' | + | |
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</code> | </code> | ||
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