Research Article
Online Knowledge-Based Model for Big Data Topic Extraction
MineRules ( , , topics) | () procedure MineRules (, , topics) | () for ( : all topics) do | () for ( , : all word pairs in a topic) do | () if (nPMI( , ) < μ1) then | () Rules (, , nPMI(, ), topic) // learn as negative rule | () end if | () if (nPMI( , ) > μ2) then | () Rule (, , nPMI(, ), topic) // learn as positive rule | () end if | () end for | () end for | () end procedure |
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