07:20duration 7 minutes 20 seconds
den-edu_01698_1_2_1_lecture_slides_introduction_to…
den-edu_01698_1_2_1_lecture_slides_introduction_to_information_retrieval_ir_part_2_360
LIS 4011 1.2.1 Introduction to Information Retrieval IR, Part II
06:03duration 6 minutes 3 seconds
den-edu_01366_2_1_1_lecture_slides_categorizing_th…
den-edu_01366_2_1_1_lecture_slides_categorizing_the_question_360
LIS 4060 2.1.1 Categorizing the Question