TY - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) A1 - SHI Song1, WANG Ming-wen1, TU Wei2, HE Shi-zhu1 T1 - Extended information retrieval model based on the Markov network cliques Y1 - JF - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) JO - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) SP - 54 EP - 57 VL - 46 IS - 5 UR - http://lxbwk.njournal.sdu.edu.cn N1 - ER -