Topics		Documents
$\mathrm{Words}\left[\begin{array}{ccc}\mathrm{P}({\mathrm{W}}_1|{\mathrm{T}}_1)& \cdots & \mathrm{P}({\mathrm{W}}_1|{\mathrm{T}}_{\mathrm{t}})\\ ⋮& \ddots & ⋮\\ \mathrm{P}({\mathrm{W}}_{\mathrm{m}}|{\mathrm{T}}_1)& \cdots & \mathrm{P}({\mathrm{W}}_{\mathrm{m}}|{\mathrm{T}}_{\mathrm{t}})\end{array}\right]$	&	$\mathrm{Topics}\left[\begin{array}{ccc}\mathrm{P}({\mathrm{T}}_1|{\mathrm{D}}_1)& \cdots & \mathrm{P}({\mathrm{T}}_{\mathrm{t}}|{\mathrm{D}}_{\mathrm{n}})\\ ⋮& \ddots & ⋮\\ \mathrm{P}({\mathrm{T}}_{\mathrm{t}}|{\mathrm{D}}_1)& \cdots & \mathrm{P}({\mathrm{T}}_{\mathrm{t}}|{\mathrm{D}}_{\mathrm{n}})\end{array}\right]$
P(Wk|Tk)		P(Tk|Dj)