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Aggregations over Generalized Hypertree Decompositions
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<span title="2015-12-10">2015</span>
<i >
arXiv
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<span class="release-stage" >pre-print</span>
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<span title="2015-08-30">2015</span>
<span class="release-stage" >pre-print</span>
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<span title="2015-09-02">2015</span>
<span class="release-stage" >pre-print</span>
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<span title="2015-10-27">2015</span>
<span class="release-stage" >pre-print</span>
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The second class of our contributions is a pair of complete characterizations of (1) the set of orderings equivalent to a given ordering and (2) the set of GHDs compatible with some equivalent ordering ...
Our extensions to the standard techniques are a pair of simple tests that (1) determine if two orderings of aggregation operators are equivalent and (2) determine if a GHD is compatible with a given ordering ...
Fun with semirings: A functional pearl on the abuse of linear algebra.
Recall E C = {E ∈ E|E ∩ C = ∅}. ...
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