2016
DOI: 10.14257/ijdta.2016.9.10.24
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Selectivity Estimation for Search Predicates over Set Valued Attributes

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Cited by 2 publications
(2 citation statements)
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“…Cannot well capture the set element dependency. Postgresql treats each element as a seperate attribute (column) and introduces a basic model and an extended model [GTK01] for selectivity estimation of set containment predicates [KK16,arr23]. The basic model does not take into account any element dependencies.…”
Section: Selectivity Estimation Involving Set-valued Attributesmentioning
confidence: 99%
See 1 more Smart Citation
“…Cannot well capture the set element dependency. Postgresql treats each element as a seperate attribute (column) and introduces a basic model and an extended model [GTK01] for selectivity estimation of set containment predicates [KK16,arr23]. The basic model does not take into account any element dependencies.…”
Section: Selectivity Estimation Involving Set-valued Attributesmentioning
confidence: 99%
“…They also only consider one set-valued attribute, so they cannot capture the attribute correlations. PostgreSQL treats each element as an attribute and introduce independence model or probabilistic model for set containment search predicates [KK16]. This method only captures the dependency of high-frequency elements and handles the queries on multiple attributes with attribute value independence (AVI) assumption.…”
mentioning
confidence: 99%