发明名称 |
Determination of rules by providing data records in columnar data structures |
摘要 |
A method includes providing a columnar database comprising a plurality of columnar data structures associated with one column attribute; providing first data records having a plurality of first attribute-value pairs comprising counting information indicative of a number of first data records having the respective first attribute-value pair; providing mask data structures comprising one or more second attribute-value pairs; selecting second data records by intersecting the columnar data structures and the mask data structures; selecting one of the column attributes and one value contained in the column data structure associated with said selected column attribute as the destination attribute-value pair; creating one second rule for each first attribute-value pair; calculating, for each second rule, a co-occurrence-count between its respective source attribute-value pair and its destination attribute-value pair; and specifically selecting one or more of said second rules as the first rules in dependence on the calculated co-occurrence-count. |
申请公布号 |
US8671111(B2) |
申请公布日期 |
2014.03.11 |
申请号 |
US201213465210 |
申请日期 |
2012.05.07 |
申请人 |
DANTRESSANGLE PATRICK;HECHLER EBERHARD;OBERHOFER MARTIN;WURST MICHAEL;INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
DANTRESSANGLE PATRICK;HECHLER EBERHARD;OBERHOFER MARTIN;WURST MICHAEL |
分类号 |
G06F17/30 |
主分类号 |
G06F17/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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