∫d1p(d1|h)p(h|d0)∑hp(d1|h)p(h|d0)∑h∗p(d1|h∗)p(h∗|d0)\displaystyle\int_{d_{1}}\frac{p(d_{1}|h)p(h|d_{0})}{\sum_{h}p(d_{1}|h)p(h|d_{0})}\sum_{h^{*}}p(d_{1}|h^{*})p(h^{*}|d_{0})
Its return value is a queue that yields tuples of the old and new
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