@BOOK{ Book!D - 103190210,
AUTHOR = "Tov, Elad-Carmel, David; Yom",
TITLE = "Estimating the Query Difficulty for Information Retrieval",
LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه کردستان",
SUBJECT = "LIBRARY SCIENCE&INFORMATION SCIENCE",
URL = "/book/103190210/Estimating-the-Query-Difficulty-for-Information-Re/"}