Hani Jamjoom, Huiming Qu and Hanghang Tong
US Patent US8346766
Jan 2013, (Granted)
Abstract. In a computerized data mining context, user input relating
to positive and negative information is incorporated
into node proximity measurements on a weighted,
directed graph. Random walk results are updated
without a full matrix inversion by using selective
update to a low rank approximation and to inversion
results.