... document in-formation, a probabilistic weighting for ⟨xi, xj⟩ wasmodeled by wq∗ wij. Through the transformation,instance weighting schemes for classification can beapplied to ranking model ... importance weighting for ranking model adapta-tion could be done better at query level rather thandocument level.Figure 1 demonstrates the difference between in-stance weighting and query weighting, ... the Association for Computational Linguistics, pages 112–122,Portland, Oregon, June 19-24, 2011.c2011 Association for Computational LinguisticsQuery Weighting for Ranking Model AdaptationPeng...